Petersburg, VA Climate: Temperature & Rain by Month
Average temperature and precipitation from NOAA NCEI 1991–2020 normals →, with a derived climate comfort score
30-year climate normals (1991-2020) from Petersburg's primary NOAA station, PETERSBURG.
The climate verdict for Petersburg
Water is the standout signal in Petersburg, Virginia: 47.0 inches of precipitation in a normal year. Against that wet profile, NOAA records an annual average of 59°F. It scores 80/100 for climate comfort (excellent), putting it in the top third of station-mapped location scores and exceeding 76% of them.
- 59°F
- annual average temperature (NOAA normal)
- 80/100
- comfort score, above 76% of station-mapped location scores
- 47.0"
- precipitation, annual total
- 214 days
- growing season, frost-free days
Petersburg: NOAA 1991-2020 normals describe a typical year, not a forecast. Method: /methodology.
Normals record plate
Sheet USC00446656 · Petersburg, VA 59°F mean · 47.0" precip
TEMP-MILD · RANK-UPPER · PHOTO-FINISH · PRCP-MID · SWING-MID · COMF-TOP · LOAD-HEAT · STN-1 · BOOK-FULL
- TEMP-MILD 59°F
- RANK-UPPER #4,871
- PHOTO-FINISH ≈ Fairview Bowie…
- PRCP-MID 47.0"
- SWING-MID 41°F
- COMF-TOP 80/100
- LOAD-HEAT 3,759 HDD
- STN-1 USC00446656
- BOOK-FULL 6/6 fields
Nearest mean-temperature peer: Fairview Bowie Nat Ctr, TN (+ 0 °F mean)
Instrument codes from this station's NOAA 1991–2020 normals, mean temperature, corpus warmth rank, photo-finish peer station, precipitation band, seasonal swing, comfort composite, degree-day load, and field book, not a livability rating.
Mean-temperature neighbourhood
Nationwide NOAA normal poles and nearest peers, not a reprint of every VA station list.
- Petersburg (this station) 59°F
- Cold Salisbury, MD 59°F
- Hot Waverly, TN 59°F
- Near Fairview Bowie…, TN 59°F
- Near Cheatham L&d, TN 59°F
Climate Living Index · Petersburg
Petersburg: 72/100 · grade B
Petersburg publishes 4 of 6 Living Index dimensions (NOAA annual/seasonal normals · NOAA daily multivariate normals); 2 missing weights rescale to 100.
PlainClimate-derived for Petersburg, not an official NOAA rating. Rankings still use Comfort Score 80/100 (separate formula). Breakpoints and limits.
| Dimension | Station value | Score |
|---|---|---|
| Normal heat + freeze calendar | 88 calendar days | 80/100 · B |
| Frost-free season | 214 days/year | 74/100 · B |
| Annual temperature balance | 58.8°F · 8.7° from 67.5°F | 72/100 · B |
| Precipitation balance | 47.0 in · 12.0 from 35 in | 58/100 · C |
Petersburg · 2026-08-04 · NOAA NCEI Climate Normals · method · Comfort Score method.
Petersburg is a temperate Köppen climate: Cfa
Coldest-month mean 38.7°F and warmest-month mean 79.2°F place this station in temperate, no dry season, hot summer climates (Cfa). Class Cfa is the Peel et al. (2007) label for this station's monthly mean temperature and precipitation normals: temperate, specifically temperate, no dry season, hot summer.
- Köppen code
- Cfa
- Group
- Temperate
- Warmest month
- 79.2°F
- Coldest month
- 38.7°F
Source: official public datasets monthly normals (1991–2020) at the city’s primary station. This is a station classification, not a mapped regional consensus.
National standing · heating-led station
Where Petersburg sits across the climate record
Three NOAA fields for Petersburg's primary station, temperature, precipitation, and seasonal swing, are ranked against every station-mapped normal that carries the same field.
- Annual temperature
- Top 29% warmest
- Among 6,861 stations, Petersburg sits in the warmer third of annual means.
- Annual precipitation
- Top 27% wettest
- Petersburg's annual total ranks in the wetter third of 6,352 measured normals.
- Seasonal temperature swing
- 38th percentile swing
- Typical seasonal amplitude versus 6,861 complete station-years.
How Petersburg compares across U.S. station-mapped locations
Petersburg's comfort score vs. all station-mapped locations
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
80 Top 24% score exceeds 76% of 6,189 station-mapped location scores
- 0–10: 0 station-mapped locations (0%). Below this entry.
- 10–20: 0 station-mapped locations (0%). Below this entry.
- 20–30: 96 station-mapped locations (2%). Below this entry.
- 30–40: 280 station-mapped locations (5%). Below this entry.
- 40–50: 1,113 station-mapped locations (18%). Below this entry.
- 50–60: 1,329 station-mapped locations (21%). Below this entry.
- 60–70: 1,236 station-mapped locations (20%). Below this entry.
- 70–80: 650 station-mapped locations (11%). Below this entry.
- 80–90: 921 station-mapped locations (15%). This entry sits in this band.
- 90–100: 564 station-mapped locations (9%). Above this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 49°F (10°C) | 28°F (-2°C) | 39°F (4°C) | 3.0" | 21.8 | 0.0 |
| February | 52°F (11°C) | 29°F (-2°C) | 41°F (5°C) | 2.7" | 19.8 | 0.0 |
| March | 60°F (16°C) | 36°F (2°C) | 48°F (9°C) | 4.4" | 12.2 | 0.0 |
| April | 70°F (21°C) | 46°F (8°C) | 58°F (14°C) | 3.6" | 1.4 | 0.3 |
| May | 78°F (26°C) | 55°F (13°C) | 67°F (19°C) | 4.4" | 0.0 | 1.8 |
| June | 86°F (30°C) | 64°F (18°C) | 75°F (24°C) | 4.2" | 0.0 | 8.0 |
| July | 89°F (32°C) | 69°F (21°C) | 79°F (26°C) | 4.7" | 0.0 | 16.3 |
| August | 87°F (31°C) | 67°F (20°C) | 77°F (25°C) | 5.3" | 0.0 | 12.3 |
| September | 82°F (28°C) | 61°F (16°C) | 71°F (22°C) | 4.6" | 0.0 | 4.4 |
| October | 72°F (22°C) | 48°F (9°C) | 60°F (15°C) | 3.4" | 0.8 | 0.4 |
| November | 62°F (16°C) | 37°F (3°C) | 49°F (10°C) | 3.2" | 10.2 | 0.0 |
| December | 53°F (11°C) | 31°F (-1°C) | 42°F (5°C) | 3.5" | 19.0 | 0.0 |
The year, day by day
Summer here tops out rather than builds: the warmest normal high is 90°F around July 9, short of 90°F on every date, while 88 dates carry a normal low at or below freezing, the coldest 28°F near January 27.
The freezing stretch
The normal low stays at or below 32°F into March 2, then returns to freezing around December 6, covering 88 dates in all.
Derived from the normal daily minimum. This is a different measure from the 50%-probability frost dates shown elsewhere on this page, which come from NOAA’s frost product.
Where the wet dates fall
The likeliest wet date is May 12, when 38% of years recorded at least a hundredth of an inch. The driest is September 11 at 27%. Summed across the calendar, that is about 117 wet dates a year.
The widest day
April 22 carries the biggest normal gap between afternoon and dawn, 25°F between the normal high and the normal low.
Look up any date
Any date's 1991–2020 normal for Petersburg.
Monthly Precipitation
Average monthly rainfall
9.3 days with precipitation
8.9 days with precipitation
9.8 days with precipitation
10.6 days with precipitation
11.6 days with precipitation
10.0 days with precipitation
9.2 days with precipitation
10.4 days with precipitation
8.3 days with precipitation
8.6 days with precipitation
8.7 days with precipitation
9.8 days with precipitation
Petersburg spreads its precipitation across the year
Neither half of the year dominates here: June through August take 30% of the annual total and December through February 20%, with neither reaching the 35% that would mark a distinct wet season. Petersburg has no dry season to plan around, though it does carry a 40.5°F seasonal spread.
The gap between the wettest and driest month still matters: August averages 5.3" and February 2.7". The three wettest months together take 31% of the year, against the 25% a perfectly flat distribution would give them.
Shares are computed from this station's own 1991-2020 monthly precipitation normals. "Spread across the year" means neither the June-August nor the December-February share reaches 35%; it describes an average year, not the variability of any single one.
When it rains in Petersburg, it arrives in quantity
47.0" of precipitation falls across only about 115 wet days here, averaging 0.41 inches each. Fewer days carry more water: the year's total is delivered in comparatively heavy events rather than persistent damp.
- Days with measurable precipitation
- about 115 a year, 32% of all days
- Average depth per wet day
- 0.41 inches
- Most wet days
- May, about 12
- Fewest wet days
- September, about 8
A wet day is one recording at least 0.01 inches. These are 1991-2020 normals: they describe an average year, and a per-day average is not a forecast of any individual storm.
Frost Dates & Growing Season
First Fall Freeze
November 3
50% probability date
Last Spring Freeze
April 3
50% probability date
Growing Season
214 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,759
Higher = more heating needed
Cooling Degree Days
1,525
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Nationwide similar cities
Other rankable U.S. places outside VA closest to Petersburg on two NOAA annual-normal axes (mean temperature and annual precipitation). Chip rows use distinct link sets.
Closest by average temperature
Nearest out-of-state peers by annual mean temperature (59°F here).
- Athens, TN 59°F · 0.0°F off
- Clovis, NM 59°F · 0.0°F off
- Helena, OK 59°F · 0.0°F off
- Murray, KY 59°F · 0.0°F off
Closest by annual precipitation
Nearest out-of-state peers by annual precipitation (47.0" here), excluding temperature-peer places.
- Calhoun Falls, SC 47.0" · 0.0" off
- Erwin, TN 47.0" · 0.0" off
- Brooklet, GA 47.0" · 0.0" off
- Eastman, GA 47.0" · 0.0" off
Data-derived climate profile
How Petersburg's climate pattern fits together
heating led · wet · mid swing
Petersburg's energy balance leans toward cold weather: 3,759 annual heating degree days against 1,525 for cooling. Its 40.5°F seasonal range still makes the monthly rows more useful than the annual average alone.
Petersburg's frost-free season lasts about 214 days, a middle-length window whose endpoints matter more than the annual average. It describes freeze probability, not year-specific planting conditions.
July and January mark the typical warm and cold ends of the calendar in Petersburg's middle-range seasonal profile. The measured spread is 40.5°F. The annual average is 59°F. Neither the annual mean nor one extreme month represents the full calendar on its own.
Alongside its heating load, Petersburg carries 47.0 inches of precipitation in a normal year, inside PlainClimate's wet range. Snowfall is not added to the interpretation because its annual value is missing. That distinction matters because a wet annual total can arrive as rain, snow, or a mixture at different times.
These labels group NOAA 1991-2020 normals from Petersburg's primary station, so the winter figures are a thirty-year average and not a floor: a single hard season can run well below them. Treat each band as a descriptive range for Petersburg, not an official NOAA class or a year-ahead forecast.
Questions about Petersburg's climate
How much rain does Petersburg get? ▼
How many days above 90°F does Petersburg get? ▼
How much energy does heating and cooling require in Petersburg? ▼
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). All figures on this page are from Petersburg's primary station: PETERSBURG (USC00446656). For informational purposes only.
Place identity: U.S. Census Bureau 2024 Gazetteer places. The 2024 Census Gazetteer identifies the exact name-and-state match as an incorporated place (GEOID 5161832). Match rule for Petersburg: exact normalized name + state only, no fuzzy expansion, so nearby differently spelled facilities stay unmatched.
On this page every temperature, precipitation, and derived score for Petersburg comes from its primary NOAA station record. No figure on this page is typed in by an editor - each value is rendered from NOAA 1991-2020 U.S. Climate Normals. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 1991–2020 normals.