Petersburg Weather Records (USC00446656)

Record envelope, standing records and threshold days for Petersburg (USC00446656), Virginia, United States, with 48 years of record.

Key Facts for Petersburg

Petersburg (USC00446656) is a weather station in Virginia, United States at 37.24 latitude and -77.39 longitude, 6 m (19 ft) above sea level.
The station reports from 1979 to 2026, 48 years of record.
1,464 records set at Petersburg still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Virginia, United States, 37.24 latitude, -77.39 longitude.
Elevation: 6 m (19 ft).
Period of record: 1979 to 2026, 48 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

37 days at or beyond a record

The band shows the record high and record low for each calendar day at Petersburg. The lines show the 2026 daily maximum and minimum. 37 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Petersburg, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	24.4 C (75.9 F)	-18.9 C (-2.0 F)	20.6 C (69.1 F)	-15.6 C (3.9 F)
Feb	27.8 C (82.0 F)	-16.7 C (1.9 F)	23.9 C (75.0 F)	-10.0 C (14.0 F)
Mar	31.1 C (88.0 F)	-10.0 C (14.0 F)	28.3 C (82.9 F)	-6.1 C (21.0 F)
Apr	33.3 C (91.9 F)	-3.3 C (26.1 F)	30.6 C (87.1 F)	0.0 C (32.0 F)
May	35.0 C (95.0 F)	0.6 C (33.1 F)	32.2 C (90.0 F)	8.3 C (46.9 F)
Jun	40.6 C (105.1 F)	8.3 C (46.9 F)	36.7 C (98.1 F)	8.3 C (46.9 F)
Jul	40.6 C (105.1 F)	12.8 C (55.0 F)	35.6 C (96.1 F)	18.3 C (64.9 F)
Aug	39.4 C (102.9 F)	12.2 C (54.0 F)	33.9 C (93.0 F)	12.2 C (54.0 F)
Sep	37.2 C (99.0 F)	7.2 C (45.0 F)	34.4 C (93.9 F)	12.2 C (54.0 F)
Oct	38.3 C (100.9 F)	-1.7 C (28.9 F)	28.9 C (84.0 F)	2.2 C (36.0 F)
Nov	28.3 C (82.9 F)	-8.9 C (16.0 F)	25.6 C (78.1 F)	-7.2 C (19.0 F)
Dec	26.7 C (80.1 F)	-14.4 C (6.1 F)	18.9 C (66.0 F)	-12.8 C (9.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Petersburg still stand. 2018 holds the most, with 92.

Standing records at Petersburg by the year they were set
Year set	Standing records
1980	13
1981	11
2003	45
2004	63
2005	60
2006	63
2007	66
2008	71
2009	61
2010	74
2011	43
2012	83
2013	77
2014	71
2015	77
2016	57
2017	69
2018	92
2019	43
2020	51
2021	48
2022	61
2023	55
2024	62
2025	48

Wettest Day of Each Month

Aug: 152.4 mm (6.0 in)

The wettest day on record for each calendar month at Petersburg. The most was 152.4 mm (6.0 in) on 28 August 2011.

Record daily precipitation for each month at Petersburg
Month	Record daily precipitation (mm)	Date
Jan	86.1 mm (3.4 in)	9 January 2024
Feb	59.9 mm (2.4 in)	6 February 2020
Mar	63.5 mm (2.5 in)	29 March 2010
Apr	59.4 mm (2.3 in)	17 April 2011
May	59.7 mm (2.4 in)	12 May 1981
Jun	78.7 mm (3.1 in)	8 June 2013
Jul	131.1 mm (5.2 in)	13 July 2025
Aug	152.4 mm (6.0 in)	28 August 2011
Sep	141.5 mm (5.6 in)	18 September 2003
Oct	115.8 mm (4.6 in)	6 October 2006
Nov	66.0 mm (2.6 in)	9 November 2015
Dec	84.8 mm (3.3 in)	10 December 2023

Period of Record Coverage

1980 to 2025

25 years of record at Petersburg, 1980 to 2025. 3 years have data for under 90 percent of days and are left out of rankings: 1980, 1981, 2003.

Days with data per year at Petersburg
Year	Days with data	Share of year	Complete
1980	30	8%	No
1981	31	8%	No
2003	252	69%	No
2004	337	92%	Yes
2005	337	92%	Yes
2006	344	94%	Yes
2007	350	96%	Yes
2008	363	99%	Yes
2009	363	99%	Yes
2010	345	95%	Yes
2011	359	98%	Yes
2012	362	99%	Yes
2013	358	98%	Yes
2014	359	98%	Yes
2015	365	100%	Yes
2016	359	98%	Yes
2017	360	99%	Yes
2018	363	99%	Yes
2019	357	98%	Yes
2020	351	96%	Yes
2021	365	100%	Yes
2022	365	100%	Yes
2023	358	98%	Yes
2024	364	99%	Yes
2025	362	99%	Yes

Latest Records

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

Climate Trend

21 complete years, 2004 to 2025

One stripe for each of 21 complete years at Petersburg, 2004 to 2025. Blue stripes are years cooler than the station's own mean of 15.2 C (59.3 F); red stripes are warmer. The coolest year was 2014, at 14.0 C (57.2 F), and the warmest was 2024, at 15.9 C (60.7 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Petersburg as warming stripes, 2004 to 2025
Year	Annual mean temperature	Difference from the station mean
2004	14.8 C	-0.41 C
2005	15.1 C	-0.11 C
2006	15.3 C	+0.08 C
2007	15.4 C	+0.27 C
2008	15.1 C	-0.03 C
2009	14.6 C	-0.57 C
2010	14.9 C	-0.29 C
2011	15.4 C	+0.26 C
2012	15.6 C	+0.47 C
2013	14.3 C	-0.86 C
2014	14.0 C	-1.16 C
2015	15.0 C	-0.17 C
2016	15.3 C	+0.14 C
2017	15.6 C	+0.43 C
2018	15.3 C	+0.14 C
2019	15.8 C	+0.64 C
2021	15.4 C	+0.21 C
2022	15.1 C	-0.10 C
2023	15.7 C	+0.50 C
2024	15.9 C	+0.75 C
2025	15.0 C	-0.14 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1979 to 2026

Yearly extremes at Petersburg: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.6 C (105.1 F)	2010	37.2 C (99.0 F)	26
Coldest night (TNn)	-18.9 C (-2.0 F)	2018	-11.1 C (12.0 F)	26
Wettest day (Rx1day)	152.4 mm (6.0 in)	2011	78.7 mm (3.1 in)	31
Wettest five days (Rx5day)	213.2 mm (8.4 in)	2025	122.4 mm (4.8 in)	31
Longest dry spell (CDD)	39 days	2024	18 days	31

Hottest day (TXx)

The hottest day of the year at Petersburg, 1979 to 2026. The record is 40.6 C (105.1 F) in 2010, marked on the chart; the median year is 37.2 C (99.0 F).

Hottest day (TXx) at Petersburg by year
Year	Hottest day (TXx)
1979	n/a
1980	37.2 C (99.0 F)
1981	38.9 C (102.0 F)
1982	n/a
1983	n/a
1984	n/a
1985	n/a
2003	35.6 C (96.1 F)
2004	34.4 C (93.9 F)
2005	39.4 C (102.9 F)
2006	37.2 C (99.0 F)
2007	39.4 C (102.9 F)
2008	37.8 C (100.0 F)
2009	36.7 C (98.1 F)
2010	40.6 C (105.1 F)
2011	37.8 C (100.0 F)
2012	40.6 C (105.1 F)
2013	34.4 C (93.9 F)
2014	36.1 C (97.0 F)
2015	36.1 C (97.0 F)
2016	37.8 C (100.0 F)
2017	38.3 C (100.9 F)
2018	35.6 C (96.1 F)
2019	38.3 C (100.9 F)
2020	35.6 C (96.1 F)
2021	35.0 C (95.0 F)
2022	36.1 C (97.0 F)
2023	37.2 C (99.0 F)
2024	37.2 C (99.0 F)
2025	36.7 C (98.1 F)
2026	38.9 C (102.0 F)

Coldest night (TNn)

The coldest night of the year at Petersburg, 1979 to 2026. The record is -18.9 C (-2.0 F) in 2018, marked on the chart; the median year is -11.1 C (12.0 F).

Coldest night (TNn) at Petersburg by year
Year	Coldest night (TNn)
1979	n/a
1980	10.0 C (50.0 F)
1981	14.4 C (57.9 F)
1982	n/a
1983	n/a
1984	n/a
1985	n/a
2003	-5.6 C (21.9 F)
2004	-11.7 C (10.9 F)
2005	-12.8 C (9.0 F)
2006	-8.9 C (16.0 F)
2007	-12.2 C (10.0 F)
2008	-11.1 C (12.0 F)
2009	-13.9 C (7.0 F)
2010	-11.1 C (12.0 F)
2011	-11.1 C (12.0 F)
2012	-8.3 C (17.1 F)
2013	-10.0 C (14.0 F)
2014	-16.1 C (3.0 F)
2015	-16.7 C (1.9 F)
2016	-11.1 C (12.0 F)
2017	-17.2 C (1.0 F)
2018	-18.9 C (-2.0 F)
2019	-10.0 C (14.0 F)
2020	-7.8 C (18.0 F)
2021	-10.0 C (14.0 F)
2022	-14.4 C (6.1 F)
2023	-8.9 C (16.0 F)
2024	-10.6 C (12.9 F)
2025	-15.6 C (3.9 F)
2026	-13.9 C (7.0 F)

Wettest day (Rx1day)

The wettest day of the year at Petersburg, 1979 to 2026. The record is 152.4 mm (6.0 in) in 2011, marked on the chart; the median year is 78.7 mm (3.1 in).

Wettest day (Rx1day) at Petersburg by year
Year	Wettest day (Rx1day)
1979	96.0 mm (3.8 in)
1980	40.9 mm (1.6 in)
1981	66.0 mm (2.6 in)
1982	61.0 mm (2.4 in)
1983	50.8 mm (2.0 in)
1984	58.4 mm (2.3 in)
1985	58.4 mm (2.3 in)
2003	141.5 mm (5.6 in)
2004	61.0 mm (2.4 in)
2005	76.2 mm (3.0 in)
2006	115.8 mm (4.6 in)
2007	111.8 mm (4.4 in)
2008	65.3 mm (2.6 in)
2009	60.7 mm (2.4 in)
2010	125.7 mm (4.9 in)
2011	152.4 mm (6.0 in)
2012	83.6 mm (3.3 in)
2013	78.7 mm (3.1 in)
2014	83.8 mm (3.3 in)
2015	66.0 mm (2.6 in)
2016	92.7 mm (3.6 in)
2017	55.9 mm (2.2 in)
2018	85.3 mm (3.4 in)
2019	40.6 mm (1.6 in)
2020	121.9 mm (4.8 in)
2021	97.5 mm (3.8 in)
2022	72.1 mm (2.8 in)
2023	84.8 mm (3.3 in)
2024	86.1 mm (3.4 in)
2025	131.1 mm (5.2 in)
2026	69.3 mm (2.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Petersburg, 1979 to 2026. The record is 213.2 mm (8.4 in) in 2025, marked on the chart; the median year is 122.4 mm (4.8 in).

Wettest five days (Rx5day) at Petersburg by year
Year	Wettest five days (Rx5day)
1979	191.0 mm (7.5 in)
1980	70.3 mm (2.8 in)
1981	122.2 mm (4.8 in)
1982	88.9 mm (3.5 in)
1983	72.6 mm (2.9 in)
1984	91.7 mm (3.6 in)
1985	85.4 mm (3.4 in)
2003	124.9 mm (4.9 in)
2004	125.5 mm (4.9 in)
2005	49.3 mm (1.9 in)
2006	122.4 mm (4.8 in)
2007	133.6 mm (5.3 in)
2008	108.2 mm (4.3 in)
2009	127.3 mm (5.0 in)
2010	183.0 mm (7.2 in)
2011	162.3 mm (6.4 in)
2012	97.3 mm (3.8 in)
2013	128.0 mm (5.0 in)
2014	83.8 mm (3.3 in)
2015	159.5 mm (6.3 in)
2016	130.3 mm (5.1 in)
2017	97.9 mm (3.9 in)
2018	134.8 mm (5.3 in)
2019	95.0 mm (3.7 in)
2020	175.5 mm (6.9 in)
2021	159.6 mm (6.3 in)
2022	76.4 mm (3.0 in)
2023	87.8 mm (3.5 in)
2024	135.8 mm (5.3 in)
2025	213.2 mm (8.4 in)
2026	92.7 mm (3.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Petersburg, 1979 to 2026. The record is 39 days in 2024, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Petersburg by year
Year	Longest dry spell (CDD)
1979	12 days
1980	13 days
1981	18 days
1982	22 days
1983	31 days
1984	20 days
1985	24 days
2003	9 days
2004	17 days
2005	18 days
2006	26 days
2007	18 days
2008	18 days
2009	16 days
2010	19 days
2011	18 days
2012	17 days
2013	19 days
2014	18 days
2015	20 days
2016	17 days
2017	22 days
2018	15 days
2019	24 days
2020	15 days
2021	16 days
2022	13 days
2023	20 days
2024	39 days
2025	14 days
2026	13 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

21 years with a frost

Across 21 years with a frost, the median last spring frost at Petersburg falls on 2 April and the median first autumn frost on 4 November, which leaves a median of 215 days between them.

Frost dates and growing season at Petersburg
Measure	Median, all years	Earliest period	Recent period (2004 to 2025)	Recent against earliest	Fitted trend
Last spring frost	2 April	n/a	2 April	n/a	n/a
First autumn frost	4 November	n/a	4 November	n/a	n/a
Growing days	215 days	n/a	215 days	n/a	n/a

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 Petersburg standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Petersburg 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 2026-10-15 (15 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).