Updated October 2026
Vicksburg National Military Park Weather by Month
Vicksburg National Military Park is warmest in August, when the nearest NOAA climate station averages a high of 92°F and a low of 73°F, and coldest in January, with an average high of 57°F and an average low of 38°F. January is the wettest month, with about 6.4 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, 2.2 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Vicksburg National Military Park can differ from these, particularly with elevation.
Warmest month
Aug
92°F avg high
Coldest month
Jan
38°F avg low
Wettest month
Jan
6.4 in avg
Longest days
Jun
14.1 h of daylight
Average weather at Vicksburg by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 57°F | 38°F | 6.4 in | 10.1 h |
| February | 61°F | 42°F | 6.2 in | 10.9 h |
| March | 69°F | 49°F | 4.9 in | 11.8 h |
| April | 76°F | 57°F | 5.9 in | 12.8 h |
| May | 83°F | 65°F | 4.8 in | 13.7 h |
| June | 89°F | 72°F | 4.5 in | 14.1 h |
| July | 92°F | 74°F | 6.0 in | 13.9 h |
| August | 92°F | 73°F | 3.6 in | 13.2 h |
| September | 88°F | 67°F | 3.7 in | 12.2 h |
| October | 78°F | 56°F | 4.7 in | 11.2 h |
| November | 68°F | 45°F | 4.9 in | 10.3 h |
| December | 59°F | 40°F | 6.2 in | 9.9 h |
| Year total | 61.8 in |
NOAA 1991–2020 climate normals from station USC00229230, 2.2 miles from the park's reference point. Snowfall at the station totals about 0.1 inches in an average year. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Vicksburg is at that time of year.
Vicksburg weather by season
Winter: December to February
Average highs bottom out at 57°F in January, between 59°F in December and 61°F in February, with average lows between 38°F and 42°F. Together the three months average 18.8 inches of precipitation, about 30% of the yearly total and more than in any other season. Daylight is at its shortest, about 9.9 hours in December.
Spring: March to May
Average highs climb from 69°F in March to 83°F in May, with average lows between 49°F and 65°F. Together the three months average 15.6 inches of precipitation, about 25% of the yearly total. Daylight lengthens from about 11.8 hours in March to 13.7 in May.
Summer: June to August
Average highs climb from 89°F in June to 92°F in August, with average lows near 73°F. The average high is 90°F or hotter in July and August. Together the three months average 14.1 inches of precipitation, about 23% of the yearly total. Daylight is at its longest, about 14.1 hours in June.
Fall: September to November
Average highs fall from 88°F in September to 68°F in November, with average lows between 45°F and 67°F. Together the three months average 13.3 inches of precipitation, about 22% of the yearly total and less than in any other season. Daylight shortens from about 12.2 hours in September to 10.3 in November.
What the National Park Service says about the weather
Spring and fall in Vicksburg are always very pleasant with cool nights and warm, sunny days with temperatures ranging from lows of 40 degrees to highs of 70 degrees. Winter weather in Mississippi is usually mild except for occasional cold air invasions which normally last only a couple of days. Temperatures range from lows of 30 degrees to highs of 50 degrees. In the summer, weather is consistently hot, beginning in the low 70's and climbing to highs ranging from 80-100 degrees in the afternoon.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Vicksburg
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 32.36°N, 90.85°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 Vicksburg National Military Park →
Weather and crowds together
August, the warmest month, sees about 0.9× the visitors of the park's average month. June 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 Vicksburg National Military Park. For hotels, cabins and rentals close to the park, see where to stay near Vicksburg.
Where to stay near Vicksburg
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Top-rated places to stay near Vicksburg
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Frequently Asked Questions
August is the warmest month at Vicksburg National Military Park, with an average high of 92°F and an average low of 73°F. That is the 1991–2020 average at the nearest long-record NOAA station, 2.2 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Vicksburg National Military Park, with an average low of 38°F and an average high of 57°F, based on NOAA 1991–2020 climate normals.
January is the wettest month, with about 6.4 inches of precipitation. August is the driest, at about 3.6 inches. The station records about 61.8 inches of precipitation in an average year.
Rarely, by the station's record. The nearest long-record NOAA station, 2.2 miles from the park's reference point, totals about 0.1 inches of snow in an average year.
Weather at nearby parks
37 mi away · warmest in August (92°F)
65 mi away · warmest in July (90°F)
115 mi away · warmest in July (92°F)
116 mi away · warmest in July (90°F)
135 mi away · warmest in August (96°F)
144 mi away · warmest in August (91°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00229230), 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.