Updated October 2026
Petersburg National Battlefield Weather by Month
Petersburg National Battlefield is warmest in July, when the nearest NOAA climate station averages a high of 89°F and a low of 69°F, and coldest in January, with an average high of 49°F and an average low of 28°F. August is the wettest month, with about 5.3 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 5.7 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Petersburg National Battlefield can differ from these, particularly with elevation.
Warmest month
Jul
89°F avg high
Coldest month
Jan
28°F avg low
Wettest month
Aug
5.3 in avg
Longest days
Jun
14.5 h of daylight
Average weather at Petersburg by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 49°F | 28°F | 3.0 in | 9.7 h |
| February | 52°F | 29°F | 2.7 in | 10.6 h |
| March | 60°F | 36°F | 4.4 in | 11.7 h |
| April | 70°F | 46°F | 3.6 in | 13.0 h |
| May | 78°F | 55°F | 4.4 in | 14.0 h |
| June | 86°F | 64°F | 4.2 in | 14.5 h |
| July | 89°F | 69°F | 4.7 in | 14.3 h |
| August | 87°F | 67°F | 5.3 in | 13.4 h |
| September | 82°F | 61°F | 4.6 in | 12.2 h |
| October | 72°F | 48°F | 3.4 in | 11.0 h |
| November | 62°F | 37°F | 3.2 in | 10.0 h |
| December | 53°F | 31°F | 3.5 in | 9.5 h |
| Year total | 47.0 in |
NOAA 1991–2020 climate normals from station USC00446656, 5.7 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Petersburg is at that time of year.
Petersburg weather by season
Winter: December to February
Average highs bottom out at 49°F in January, between 53°F in December and 52°F in February, with average lows between 28°F and 31°F. The average low is at or below freezing in all three months. Together the three months average 9.2 inches of precipitation, about 20% of the yearly total and less than in any other season. Daylight is at its shortest, about 9.5 hours in December.
Spring: March to May
Average highs climb from 60°F in March to 78°F in May, with average lows between 36°F and 55°F. Together the three months average 12.4 inches of precipitation, about 26% of the yearly total. Daylight lengthens from about 11.7 hours in March to 14.0 in May.
Summer: June to August
Average highs peak at 89°F in July, between 86°F in June and 87°F in August, with average lows between 64°F and 69°F. Together the three months average 14.2 inches of precipitation, about 30% of the yearly total and more than in any other season. Daylight is at its longest, about 14.5 hours in June.
Fall: September to November
Average highs fall from 82°F in September to 62°F in November, with average lows between 37°F and 61°F. Together the three months average 11.2 inches of precipitation, about 24% of the yearly total. Daylight shortens from about 12.2 hours in September to 10.0 in November.
What the National Park Service says about the weather
Winters are usually cool with temperatures averaging in the 40s. Spring and fall are mild. Summer can bring very hot and humid weather.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Petersburg
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 37.19°N, 77.48°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Petersburg National Battlefield →
Weather and crowds together
July, the warmest month, sees about 1.3× the visitors of the park's average month. August is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Petersburg National Battlefield. For hotels, cabins and rentals close to the park, see where to stay near Petersburg.
Where to stay near Petersburg
Picked a month for Petersburg National Battlefield? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Petersburg
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
July is the warmest month at Petersburg National Battlefield, with an average high of 89°F and an average low of 69°F. That is the 1991–2020 average at the nearest long-record NOAA station, 5.7 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Petersburg National Battlefield, with an average low of 28°F and an average high of 49°F, based on NOAA 1991–2020 climate normals.
August is the wettest month, with about 5.3 inches of precipitation. February is the driest, at about 2.7 inches. The station records about 47 inches of precipitation in an average year.
Daylight at Petersburg National Battlefield runs from about 9.5 hours a day in December to about 14.5 hours in June, computed from the park's latitude.
Weather at nearby parks
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76 mi away · warmest in July (88°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00446656), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.