Williamsburg 2 NW Weather Records (USC00449146)

Record envelope, standing records and threshold days for Williamsburg 2 NW (USC00449146), Virginia, United States, with 55 years of record.

Key Facts for Williamsburg 2 NW

Williamsburg 2 NW (USC00449146) is a weather station in Virginia, United States at 37.28 latitude and -76.75 longitude, 31 m (102 ft) above sea level.
The station reports from 1896 to 1950, 55 years of record.
1,464 records set at Williamsburg 2 NW still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Williamsburg 2 NW set a daily record low minimum temperature of -7.2 C (19.0 F) on 26 November 1950.

About the Station

Location: Virginia, United States, 37.28 latitude, -76.75 longitude.
Elevation: 31 m (102 ft).
Period of record: 1896 to 1950, 55 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Williamsburg 2 NW. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Williamsburg 2 NW, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.7 C (80.1 F)	-18.3 C (-0.9 F)	n/a	n/a
Feb	26.7 C (80.1 F)	-17.8 C (0.0 F)	n/a	n/a
Mar	33.3 C (91.9 F)	-13.3 C (8.1 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-7.2 C (19.0 F)	n/a	n/a
May	37.2 C (99.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	39.4 C (102.9 F)	3.3 C (37.9 F)	n/a	n/a
Jul	40.0 C (104.0 F)	8.9 C (48.0 F)	n/a	n/a
Aug	38.3 C (100.9 F)	5.6 C (42.1 F)	n/a	n/a
Sep	37.2 C (99.0 F)	2.8 C (37.0 F)	n/a	n/a
Oct	36.7 C (98.1 F)	-2.8 C (27.0 F)	n/a	n/a
Nov	29.4 C (84.9 F)	-10.0 C (14.0 F)	n/a	n/a
Dec	26.1 C (79.0 F)	-19.4 C (-2.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Williamsburg 2 NW still stand. 1899 holds the most, with 52.

Standing records at Williamsburg 2 NW by the year they were set
Year set	Standing records
1896	14
1897	12
1898	5
1899	52
1900	5
1901	40
1902	31
1903	37
1904	8
1905	27
1906	19
1907	29
1908	13
1909	20
1910	17
1911	34
1912	24
1913	21
1914	22
1915	8
1916	33
1917	39
1918	38
1919	32
1920	20
1921	44
1922	18
1923	33
1924	27
1925	36
1926	35
1927	29
1928	18
1929	19
1930	32
1931	25
1932	27
1933	23
1934	30
1935	18
1936	37
1937	21
1938	21
1939	29
1940	29
1941	37
1942	35
1943	32
1944	33
1945	30
1946	30
1947	37
1948	27
1949	18
1950	34

All-Time Record Progression

1 new records

1 all-time records were set at Williamsburg 2 NW between 21 December 1942 and 21 December 1942. Each dot is a new record.

Wettest Day of Each Month

Aug: 186.7 mm (7.4 in)

The wettest day on record for each calendar month at Williamsburg 2 NW. The most was 186.7 mm (7.4 in) on 1 August 1923.

Record daily precipitation for each month at Williamsburg 2 NW
Month	Record daily precipitation (mm)	Date
Jan	70.9 mm (2.8 in)	19 January 1936
Feb	71.1 mm (2.8 in)	4 February 1920
Mar	74.2 mm (2.9 in)	6 March 1932
Apr	62.7 mm (2.5 in)	26 April 1937
May	80.0 mm (3.1 in)	25 May 1934
Jun	127.0 mm (5.0 in)	26 June 1918
Jul	181.1 mm (7.1 in)	26 July 1938
Aug	186.7 mm (7.4 in)	1 August 1923
Sep	134.4 mm (5.3 in)	6 September 1935
Oct	104.1 mm (4.1 in)	1 October 1929
Nov	81.8 mm (3.2 in)	16 November 1926
Dec	71.1 mm (2.8 in)	15 December 1901

Period of Record Coverage

1896 to 1950

55 years of record at Williamsburg 2 NW, 1896 to 1950. 18 years have data for under 90 percent of days and are left out of rankings: 1896, 1897, 1898, 1899, 1900, 1904, 1912, 1914 and others.

Days with data per year at Williamsburg 2 NW
Year	Days with data	Share of year	Complete
1896	42	11%	No
1897	86	24%	No
1898	28	8%	No
1899	143	39%	No
1900	59	16%	No
1901	362	99%	Yes
1902	352	96%	Yes
1903	353	97%	Yes
1904	143	39%	No
1905	364	100%	Yes
1906	355	97%	Yes
1907	351	96%	Yes
1908	351	96%	Yes
1909	345	95%	Yes
1910	351	96%	Yes
1911	358	98%	Yes
1912	322	88%	No
1913	351	96%	Yes
1914	257	70%	No
1915	222	61%	No
1916	293	80%	No
1917	348	95%	Yes
1918	339	93%	Yes
1919	323	88%	No
1920	351	96%	Yes
1921	352	96%	Yes
1922	344	94%	Yes
1923	348	95%	Yes
1924	316	86%	No
1925	286	78%	No
1926	313	86%	No
1927	281	77%	No
1928	338	92%	Yes
1929	269	74%	No
1930	220	60%	No
1931	351	96%	Yes
1932	351	96%	Yes
1933	351	96%	Yes
1934	359	98%	Yes
1935	322	88%	No
1936	360	98%	Yes
1937	364	100%	Yes
1938	365	100%	Yes
1939	362	99%	Yes
1940	354	97%	Yes
1941	348	95%	Yes
1942	336	92%	Yes
1943	355	97%	Yes
1944	356	97%	Yes
1945	361	99%	Yes
1946	362	99%	Yes
1947	365	100%	Yes
1948	365	100%	Yes
1949	364	100%	Yes
1950	334	92%	Yes

Latest Records

Latest records at Williamsburg 2 NW
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
26 November 1950	Williamsburg 2 NW, US	daily low min	-7.2 C (19.0 F)	1.1 C (2.0 F)	5 years	7 of 100 (Routine)
26 November 1950	Williamsburg 2 NW, US	monthly low max (Tie)	1.1 C (34.0 F)	tie	19 years	5 of 100 (Routine)
25 November 1950	Williamsburg 2 NW, US	daily rain	25.4 mm (1.0 in)	5.1 mm (0.20 in)	48 years	23 of 100 (Routine)
25 November 1950	Williamsburg 2 NW, US	daily low min	-6.1 C (21.0 F)	0.5 C (0.9 F)	12 years	8 of 100 (Routine)
13 November 1950	Williamsburg 2 NW, US	daily low min (Tie)	-5.6 C (21.9 F)	tie	28 years	3 of 100 (Routine)
4 November 1950	Williamsburg 2 NW, US	daily high min	16.7 C (62.1 F)	0.6 C (1.1 F)	4 years	7 of 100 (Routine)
2 November 1950	Williamsburg 2 NW, US	daily high max (Tie)	28.3 C (82.9 F)	tie	20 years	2 of 100 (Routine)
1 November 1950	Williamsburg 2 NW, US	monthly high max	29.4 C (84.9 F)	1.1 C (2.0 F)	20 years	23 of 100 (Routine)
22 October 1950	Williamsburg 2 NW, US	daily high min (Tie)	16.1 C (61.0 F)	tie	31 years	3 of 100 (Routine)
26 September 1950	Williamsburg 2 NW, US	daily low min	3.3 C (37.9 F)	1.1 C (2.0 F)	7 years	9 of 100 (Routine)
25 September 1950	Williamsburg 2 NW, US	monthly low max	12.2 C (54.0 F)	2.8 C (5.0 F)	9 years	23 of 100 (Routine)
25 September 1950	Williamsburg 2 NW, US	monthly low min	2.8 C (37.0 F)	0.5 C (0.9 F)	7 years	18 of 100 (Routine)
10 September 1950	Williamsburg 2 NW, US	daily high min (Tie)	23.3 C (73.9 F)	tie	39 years	4 of 100 (Routine)
2 September 1950	Williamsburg 2 NW, US	daily high min	23.3 C (73.9 F)	0.5 C (0.9 F)	17 years	11 of 100 (Routine)
16 August 1950	Williamsburg 2 NW, US	daily rain	38.4 mm (1.5 in)	5.4 mm (0.21 in)	40 years	19 of 100 (Routine)
15 August 1950	Williamsburg 2 NW, US	daily low min	11.1 C (52.0 F)	0.6 C (1.1 F)	4 years	7 of 100 (Routine)
14 August 1950	Williamsburg 2 NW, US	daily low min	10.0 C (50.0 F)	1.1 C (2.0 F)	8 years	10 of 100 (Routine)
13 August 1950	Williamsburg 2 NW, US	daily low min	13.3 C (55.9 F)	1.1 C (2.0 F)	21 years	14 of 100 (Routine)
8 August 1950	Williamsburg 2 NW, US	daily low min	13.3 C (55.9 F)	1.1 C (2.0 F)	28 years	16 of 100 (Routine)
20 July 1950	Williamsburg 2 NW, US	daily high min (Tie)	23.3 C (73.9 F)	tie	19 years	2 of 100 (Routine)

Climate Trend

31 complete years, 1901 to 1949

One stripe for each of 31 complete years at Williamsburg 2 NW, 1901 to 1949. Blue stripes are years cooler than the station's own mean of 14.9 C (58.8 F); red stripes are warmer. The coolest year was 1905, at 13.3 C (56.0 F), and the warmest was 1921, at 16.3 C (61.3 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Williamsburg 2 NW as warming stripes, 1901 to 1949
Year	Annual mean temperature	Difference from the station mean
1901	14.0 C	-0.94 C
1902	13.4 C	-1.46 C
1903	13.8 C	-1.07 C
1905	13.3 C	-1.56 C
1906	14.7 C	-0.18 C
1907	14.2 C	-0.70 C
1910	14.5 C	-0.38 C
1911	15.8 C	+0.85 C
1913	15.6 C	+0.70 C
1917	13.5 C	-1.37 C
1918	14.2 C	-0.70 C
1920	14.2 C	-0.73 C
1921	16.3 C	+1.40 C
1923	14.9 C	0.00 C
1931	15.8 C	+0.87 C
1932	16.0 C	+1.06 C
1933	16.0 C	+1.10 C
1934	15.1 C	+0.24 C
1936	15.1 C	+0.22 C
1937	15.1 C	+0.24 C
1938	16.0 C	+1.14 C
1939	16.1 C	+1.19 C
1940	14.3 C	-0.56 C
1941	15.5 C	+0.64 C
1943	14.8 C	-0.09 C
1944	14.7 C	-0.21 C
1945	14.9 C	+0.03 C
1946	15.3 C	+0.35 C
1947	14.4 C	-0.51 C
1948	14.6 C	-0.27 C
1949	15.6 C	+0.72 C

The annual mean temperature here has risen by 0.2 C (0.1 to 0.4) per decade over 1901 to 1949. In Fahrenheit: 0.4 F (0.1 to 0.8) per decade. The slope is a straight line fitted to 31 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Williamsburg 2 NW
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.2 C (0.1 to 0.4) per decade	0.4 F (0.1 to 0.8) per decade	1901 to 1949	31	Rise
Mean daily maximum	0.5 C (0.2 to 0.7) per decade	0.8 F (0.4 to 1.2) per decade	1901 to 1949	31	Rise
Mean daily minimum	0.04 C (-0.13 to 0.21) per decade	0.1 F (-0.2 to 0.4) per decade	1901 to 1949	31	Not clearly different from zero

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1896 to 1950

Yearly extremes at Williamsburg 2 NW: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.0 C (104.0 F)	1926	36.1 C (97.0 F)	55
Coldest night (TNn)	-19.4 C (-2.9 F)	1942	-12.8 C (9.0 F)	55
Wettest day (Rx1day)	186.7 mm (7.4 in)	1923	63.1 mm (2.5 in)	52
Wettest five days (Rx5day)	303.6 mm (12.0 in)	1938	101.8 mm (4.0 in)	52
Longest dry spell (CDD)	36 days	1903	20 days	52

Hottest day (TXx)

The hottest day of the year at Williamsburg 2 NW, 1896 to 1950. The record is 40.0 C (104.0 F) in 1926, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Williamsburg 2 NW by year
Year	Hottest day (TXx)
1896	24.4 C (75.9 F)
1897	32.2 C (90.0 F)
1898	13.9 C (57.0 F)
1899	38.3 C (100.9 F)
1900	25.6 C (78.1 F)
1901	36.1 C (97.0 F)
1902	35.0 C (95.0 F)
1903	36.7 C (98.1 F)
1904	32.2 C (90.0 F)
1905	36.1 C (97.0 F)
1906	35.6 C (96.1 F)
1907	36.7 C (98.1 F)
1908	35.6 C (96.1 F)
1909	35.0 C (95.0 F)
1910	34.4 C (93.9 F)
1911	37.2 C (99.0 F)
1912	36.7 C (98.1 F)
1913	36.1 C (97.0 F)
1914	35.0 C (95.0 F)
1915	35.0 C (95.0 F)
1916	35.6 C (96.1 F)
1917	36.1 C (97.0 F)
1918	37.2 C (99.0 F)
1919	36.1 C (97.0 F)
1920	36.1 C (97.0 F)
1921	37.8 C (100.0 F)
1922	36.1 C (97.0 F)
1923	36.1 C (97.0 F)
1924	37.2 C (99.0 F)
1925	36.7 C (98.1 F)
1926	40.0 C (104.0 F)
1927	35.6 C (96.1 F)
1928	36.7 C (98.1 F)
1929	37.2 C (99.0 F)
1930	36.7 C (98.1 F)
1931	37.2 C (99.0 F)
1932	38.3 C (100.9 F)
1933	37.8 C (100.0 F)
1934	36.7 C (98.1 F)
1935	35.0 C (95.0 F)
1936	38.9 C (102.0 F)
1937	36.7 C (98.1 F)
1938	36.1 C (97.0 F)
1939	36.7 C (98.1 F)
1940	38.3 C (100.9 F)
1941	37.2 C (99.0 F)
1942	38.9 C (102.0 F)
1943	36.1 C (97.0 F)
1944	39.4 C (102.9 F)
1945	37.2 C (99.0 F)
1946	35.0 C (95.0 F)
1947	36.1 C (97.0 F)
1948	36.1 C (97.0 F)
1949	35.6 C (96.1 F)
1950	35.6 C (96.1 F)

Coldest night (TNn)

The coldest night of the year at Williamsburg 2 NW, 1896 to 1950. The record is -19.4 C (-2.9 F) in 1942, marked on the chart; the median year is -12.8 C (9.0 F).

Coldest night (TNn) at Williamsburg 2 NW by year
Year	Coldest night (TNn)
1896	-6.7 C (19.9 F)
1897	1.7 C (35.1 F)
1898	-13.9 C (7.0 F)
1899	-16.7 C (1.9 F)
1900	-10.6 C (12.9 F)
1901	-13.3 C (8.1 F)
1902	-11.1 C (12.0 F)
1903	-12.8 C (9.0 F)
1904	-13.3 C (8.1 F)
1905	-16.1 C (3.0 F)
1906	-11.1 C (12.0 F)
1907	-10.0 C (14.0 F)
1908	-10.6 C (12.9 F)
1909	-13.9 C (7.0 F)
1910	-12.2 C (10.0 F)
1911	-7.8 C (18.0 F)
1912	-15.6 C (3.9 F)
1913	-11.1 C (12.0 F)
1914	-15.6 C (3.9 F)
1915	-9.4 C (15.1 F)
1916	-13.3 C (8.1 F)
1917	-17.8 C (0.0 F)
1918	-18.3 C (-0.9 F)
1919	-9.4 C (15.1 F)
1920	-13.3 C (8.1 F)
1921	-9.4 C (15.1 F)
1922	-14.4 C (6.1 F)
1923	-10.6 C (12.9 F)
1924	-14.4 C (6.1 F)
1925	-12.8 C (9.0 F)
1926	-11.1 C (12.0 F)
1927	-11.1 C (12.0 F)
1928	-11.1 C (12.0 F)
1929	-11.7 C (10.9 F)
1930	-12.2 C (10.0 F)
1931	-15.0 C (5.0 F)
1932	-10.0 C (14.0 F)
1933	-11.1 C (12.0 F)
1934	-16.7 C (1.9 F)
1935	-15.0 C (5.0 F)
1936	-17.8 C (0.0 F)
1937	-9.4 C (15.1 F)
1938	-8.9 C (16.0 F)
1939	-8.9 C (16.0 F)
1940	-17.8 C (0.0 F)
1941	-10.0 C (14.0 F)
1942	-19.4 C (-2.9 F)
1943	-16.7 C (1.9 F)
1944	-16.1 C (3.0 F)
1945	-12.8 C (9.0 F)
1946	-12.2 C (10.0 F)
1947	-12.8 C (9.0 F)
1948	-16.7 C (1.9 F)
1949	-8.9 C (16.0 F)
1950	-12.8 C (9.0 F)

Wettest day (Rx1day)

The wettest day of the year at Williamsburg 2 NW, 1896 to 1950. The record is 186.7 mm (7.4 in) in 1923, marked on the chart; the median year is 63.1 mm (2.5 in).

Wettest day (Rx1day) at Williamsburg 2 NW by year
Year	Wettest day (Rx1day)
1896	0.0 mm (0.00 in)
1897	n/a
1898	n/a
1899	n/a
1900	50.8 mm (2.0 in)
1901	71.1 mm (2.8 in)
1902	44.5 mm (1.8 in)
1903	55.9 mm (2.2 in)
1904	38.1 mm (1.5 in)
1905	55.9 mm (2.2 in)
1906	91.4 mm (3.6 in)
1907	50.8 mm (2.0 in)
1908	73.7 mm (2.9 in)
1909	80.0 mm (3.1 in)
1910	58.4 mm (2.3 in)
1911	57.2 mm (2.3 in)
1912	40.6 mm (1.6 in)
1913	68.6 mm (2.7 in)
1914	30.5 mm (1.2 in)
1915	31.8 mm (1.3 in)
1916	57.2 mm (2.3 in)
1917	71.1 mm (2.8 in)
1918	127.0 mm (5.0 in)
1919	41.9 mm (1.6 in)
1920	71.1 mm (2.8 in)
1921	50.8 mm (2.0 in)
1922	85.1 mm (3.4 in)
1923	186.7 mm (7.4 in)
1924	83.3 mm (3.3 in)
1925	56.9 mm (2.2 in)
1926	81.8 mm (3.2 in)
1927	50.8 mm (2.0 in)
1928	114.3 mm (4.5 in)
1929	104.1 mm (4.1 in)
1930	30.2 mm (1.2 in)
1931	61.7 mm (2.4 in)
1932	87.6 mm (3.4 in)
1933	157.5 mm (6.2 in)
1934	80.0 mm (3.1 in)
1935	134.4 mm (5.3 in)
1936	70.9 mm (2.8 in)
1937	95.8 mm (3.8 in)
1938	181.1 mm (7.1 in)
1939	58.4 mm (2.3 in)
1940	77.5 mm (3.1 in)
1941	54.6 mm (2.1 in)
1942	74.2 mm (2.9 in)
1943	54.1 mm (2.1 in)
1944	67.3 mm (2.6 in)
1945	72.4 mm (2.9 in)
1946	48.8 mm (1.9 in)
1947	53.8 mm (2.1 in)
1948	64.5 mm (2.5 in)
1949	47.0 mm (1.9 in)
1950	38.4 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Williamsburg 2 NW, 1896 to 1950. The record is 303.6 mm (12.0 in) in 1938, marked on the chart; the median year is 101.8 mm (4.0 in).

Wettest five days (Rx5day) at Williamsburg 2 NW by year
Year	Wettest five days (Rx5day)
1896	0.0 mm (0.00 in)
1897	n/a
1898	n/a
1899	n/a
1900	64.8 mm (2.6 in)
1901	85.1 mm (3.4 in)
1902	58.9 mm (2.3 in)
1903	127.6 mm (5.0 in)
1904	39.9 mm (1.6 in)
1905	101.9 mm (4.0 in)
1906	157.4 mm (6.2 in)
1907	132.0 mm (5.2 in)
1908	161.1 mm (6.3 in)
1909	101.7 mm (4.0 in)
1910	113.1 mm (4.5 in)
1911	111.8 mm (4.4 in)
1912	53.4 mm (2.1 in)
1913	83.8 mm (3.3 in)
1914	44.5 mm (1.8 in)
1915	39.1 mm (1.5 in)
1916	84.9 mm (3.3 in)
1917	101.6 mm (4.0 in)
1918	131.3 mm (5.2 in)
1919	127.0 mm (5.0 in)
1920	149.0 mm (5.9 in)
1921	81.5 mm (3.2 in)
1922	97.2 mm (3.8 in)
1923	228.6 mm (9.0 in)
1924	98.0 mm (3.9 in)
1925	93.0 mm (3.7 in)
1926	98.3 mm (3.9 in)
1927	82.0 mm (3.2 in)
1928	114.3 mm (4.5 in)
1929	136.6 mm (5.4 in)
1930	50.3 mm (2.0 in)
1931	88.9 mm (3.5 in)
1932	103.7 mm (4.1 in)
1933	207.8 mm (8.2 in)
1934	121.4 mm (4.8 in)
1935	158.5 mm (6.2 in)
1936	109.0 mm (4.3 in)
1937	153.3 mm (6.0 in)
1938	303.6 mm (12.0 in)
1939	153.5 mm (6.0 in)
1940	115.2 mm (4.5 in)
1941	61.8 mm (2.4 in)
1942	127.4 mm (5.0 in)
1943	70.6 mm (2.8 in)
1944	73.1 mm (2.9 in)
1945	146.0 mm (5.7 in)
1946	84.6 mm (3.3 in)
1947	98.3 mm (3.9 in)
1948	121.9 mm (4.8 in)
1949	112.8 mm (4.4 in)
1950	67.9 mm (2.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Williamsburg 2 NW, 1896 to 1950. The record is 36 days in 1903, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Williamsburg 2 NW by year
Year	Longest dry spell (CDD)
1896	31 days
1897	n/a
1898	n/a
1899	n/a
1900	17 days
1901	28 days
1902	20 days
1903	36 days
1904	18 days
1905	19 days
1906	21 days
1907	19 days
1908	24 days
1909	13 days
1910	21 days
1911	20 days
1912	21 days
1913	15 days
1914	35 days
1915	23 days
1916	20 days
1917	21 days
1918	17 days
1919	21 days
1920	25 days
1921	17 days
1922	34 days
1923	20 days
1924	27 days
1925	16 days
1926	16 days
1927	14 days
1928	18 days
1929	19 days
1930	22 days
1931	21 days
1932	18 days
1933	17 days
1934	28 days
1935	15 days
1936	20 days
1937	15 days
1938	13 days
1939	21 days
1940	13 days
1941	20 days
1942	15 days
1943	21 days
1944	24 days
1945	16 days
1946	22 days
1947	16 days
1948	16 days
1949	26 days
1950	14 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

31 years with a frost

Across 31 years with a frost, the median last spring frost at Williamsburg 2 NW falls on 15 April and the median first autumn frost on 27 October, which leaves a median of 197 days between them.

Fitted over all years, the growing season changes by -4.8 days per decade at this station.

Frost dates and growing season at Williamsburg 2 NW
Measure	Median, all years	Earliest period	Recent period (1902 to 1949)	Recent against earliest	Fitted trend
Last spring frost	15 April	n/a	15 April	n/a	+3.7 days per decade
First autumn frost	27 October	n/a	25 October	n/a	-1.2 days per decade
Growing days	197 days	n/a	196 days	n/a	-4.8 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Williamsburg 2 NW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Williamsburg 2 NW threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).