Millbury Weather Records (USC00194771)

Record envelope, standing records and threshold days for Millbury (USC00194771), Massachusetts, United States, with 31 years of record.

Key Facts for Millbury

Millbury (USC00194771) is a weather station in Massachusetts, United States at 42.18 latitude and -71.75 longitude, 107 m (351 ft) above sea level.
The station reports from 1930 to 1960, 31 years of record.
1,464 records set at Millbury still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Massachusetts, United States, 42.18 latitude, -71.75 longitude.
Elevation: 107 m (351 ft).
Period of record: 1930 to 1960, 31 years.
Eligible elements: none yet.

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 Millbury. 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 Millbury, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	18.9 C (66.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Feb	18.9 C (66.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Mar	18.9 C (66.0 F)	-13.9 C (7.0 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-7.2 C (19.0 F)	n/a	n/a
May	33.9 C (93.0 F)	-4.4 C (24.1 F)	n/a	n/a
Jun	38.9 C (102.0 F)	1.1 C (34.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	4.4 C (39.9 F)	n/a	n/a
Aug	37.2 C (99.0 F)	6.1 C (43.0 F)	n/a	n/a
Sep	33.3 C (91.9 F)	-1.1 C (30.0 F)	n/a	n/a
Oct	27.8 C (82.0 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-15.0 C (5.0 F)	n/a	n/a
Dec	22.2 C (72.0 F)	-24.4 C (-11.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Millbury still stand. 1933 holds the most, with 451.

Wettest Day of Each Month

Aug: 230.6 mm (9.1 in)

The wettest day on record for each calendar month at Millbury. The most was 230.6 mm (9.1 in) on 19 August 1955.

Record daily precipitation for each month at Millbury
Month	Record daily precipitation (mm)	Date
Jan	57.2 mm (2.3 in)	8 January 1958
Feb	47.0 mm (1.9 in)	8 February 1941
Mar	116.3 mm (4.6 in)	19 March 1936
Apr	67.3 mm (2.6 in)	10 April 1935
May	56.9 mm (2.2 in)	4 May 1934
Jun	83.8 mm (3.3 in)	10 June 1931
Jul	82.6 mm (3.3 in)	21 July 1959
Aug	230.6 mm (9.1 in)	19 August 1955
Sep	155.7 mm (6.1 in)	17 September 1932
Oct	84.8 mm (3.3 in)	31 October 1939
Nov	89.7 mm (3.5 in)	14 November 1937
Dec	61.0 mm (2.4 in)	2 December 1942

Period of Record Coverage

1930 to 1956

7 years of record at Millbury, 1930 to 1956. 6 years have data for under 90 percent of days and are left out of rankings: 1930, 1931, 1932, 1945, 1948, 1956.

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1930 to 1960

Yearly extremes at Millbury: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	1932	18.3 C (64.9 F)	7
Coldest night (TNn)	-27.8 C (-18.0 F)	1935	-22.2 C (-8.0 F)	9
Wettest day (Rx1day)	230.6 mm (9.1 in)	1955	61.0 mm (2.4 in)	31
Wettest five days (Rx5day)	290.6 mm (11.4 in)	1955	92.2 mm (3.6 in)	31
Longest dry spell (CDD)	36 days	1952	19 days	31

Hottest day (TXx)

The hottest day of the year at Millbury, 1930 to 1960. The record is 38.9 C (102.0 F) in 1932, marked on the chart; the median year is 18.3 C (64.9 F).

Hottest day (TXx) at Millbury by year
Year	Hottest day (TXx)
1930	20.6 C (69.1 F)
1931	16.7 C (62.1 F)
1932	38.9 C (102.0 F)
1933	38.9 C (102.0 F)
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	13.9 C (57.0 F)
1946	n/a
1947	n/a
1948	17.8 C (64.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	18.3 C (64.9 F)
1957	n/a
1958	n/a
1959	n/a
1960	n/a

Coldest night (TNn)

The coldest night of the year at Millbury, 1930 to 1960. The record is -27.8 C (-18.0 F) in 1935, marked on the chart; the median year is -22.2 C (-8.0 F).

Coldest night (TNn) at Millbury by year
Year	Coldest night (TNn)
1930	-18.3 C (-0.9 F)
1931	-22.2 C (-8.0 F)
1932	-17.8 C (0.0 F)
1933	-25.6 C (-14.1 F)
1934	n/a
1935	-27.8 C (-18.0 F)
1936	-22.2 C (-8.0 F)
1937	-15.6 C (3.9 F)
1938	-27.2 C (-17.0 F)
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	-3.9 C (25.0 F)
1957	n/a
1958	n/a
1959	n/a
1960	n/a

Wettest day (Rx1day)

The wettest day of the year at Millbury, 1930 to 1960. The record is 230.6 mm (9.1 in) in 1955, marked on the chart; the median year is 61.0 mm (2.4 in).

Wettest day (Rx1day) at Millbury by year
Year	Wettest day (Rx1day)
1930	34.3 mm (1.4 in)
1931	83.8 mm (3.3 in)
1932	155.7 mm (6.1 in)
1933	85.1 mm (3.4 in)
1934	56.9 mm (2.2 in)
1935	86.9 mm (3.4 in)
1936	116.3 mm (4.6 in)
1937	89.7 mm (3.5 in)
1938	94.0 mm (3.7 in)
1939	84.8 mm (3.3 in)
1940	60.2 mm (2.4 in)
1941	47.0 mm (1.9 in)
1942	61.0 mm (2.4 in)
1943	53.3 mm (2.1 in)
1944	65.5 mm (2.6 in)
1945	60.2 mm (2.4 in)
1946	78.2 mm (3.1 in)
1947	52.1 mm (2.1 in)
1948	48.3 mm (1.9 in)
1949	38.1 mm (1.5 in)
1950	70.1 mm (2.8 in)
1951	54.4 mm (2.1 in)
1952	67.3 mm (2.6 in)
1953	48.5 mm (1.9 in)
1954	98.8 mm (3.9 in)
1955	230.6 mm (9.1 in)
1956	42.7 mm (1.7 in)
1957	43.9 mm (1.7 in)
1958	57.2 mm (2.3 in)
1959	82.6 mm (3.3 in)
1960	43.2 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Millbury, 1930 to 1960. The record is 290.6 mm (11.4 in) in 1955, marked on the chart; the median year is 92.2 mm (3.6 in).

Wettest five days (Rx5day) at Millbury by year
Year	Wettest five days (Rx5day)
1930	58.8 mm (2.3 in)
1931	122.9 mm (4.8 in)
1932	159.5 mm (6.3 in)
1933	202.2 mm (8.0 in)
1934	81.6 mm (3.2 in)
1935	101.8 mm (4.0 in)
1936	161.3 mm (6.4 in)
1937	96.6 mm (3.8 in)
1938	230.4 mm (9.1 in)
1939	90.6 mm (3.6 in)
1940	90.7 mm (3.6 in)
1941	55.6 mm (2.2 in)
1942	87.9 mm (3.5 in)
1943	87.9 mm (3.5 in)
1944	120.9 mm (4.8 in)
1945	83.1 mm (3.3 in)
1946	80.2 mm (3.2 in)
1947	80.7 mm (3.2 in)
1948	77.1 mm (3.0 in)
1949	55.6 mm (2.2 in)
1950	115.8 mm (4.6 in)
1951	122.3 mm (4.8 in)
1952	92.2 mm (3.6 in)
1953	104.4 mm (4.1 in)
1954	153.0 mm (6.0 in)
1955	290.6 mm (11.4 in)
1956	85.4 mm (3.4 in)
1957	93.7 mm (3.7 in)
1958	80.2 mm (3.2 in)
1959	118.2 mm (4.7 in)
1960	45.7 mm (1.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Millbury, 1930 to 1960. The record is 36 days in 1952, marked on the chart; the median year is 19 days.

Longest dry spell (CDD) at Millbury by year
Year	Longest dry spell (CDD)
1930	5 days
1931	3 days
1932	14 days
1933	13 days
1934	18 days
1935	14 days
1936	20 days
1937	13 days
1938	13 days
1939	32 days
1940	18 days
1941	19 days
1942	15 days
1943	24 days
1944	16 days
1945	19 days
1946	19 days
1947	35 days
1948	22 days
1949	21 days
1950	25 days
1951	12 days
1952	36 days
1953	22 days
1954	12 days
1955	24 days
1956	23 days
1957	21 days
1958	21 days
1959	14 days
1960	12 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.

Download the Data

Data for Millbury standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Millbury 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).

Days with data per year at Millbury
Year	Days with data	Share of year	Complete
1930	60	16%	No
1931	90	25%	No
1932	328	90%	No
1933	348	95%	Yes
1945	30	8%	No
1948	39	11%	No
1956	1	0%	No