Updated October 2026
George Washington Carver National Monument Weather by Month
George Washington Carver National Monument is warmest in August, when the nearest NOAA climate station averages a high of 90°F and a low of 65°F, and coldest in January, with an average high of 46°F and an average low of 23°F. May is the wettest month, with about 6.7 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, 0.1 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in George Washington Carver National Monument can differ from these, particularly with elevation.
Warmest month
Aug
90°F avg high
Coldest month
Jan
23°F avg low
Wettest month
May
6.7 in avg
Longest days
Jun
14.5 h of daylight
Average weather at George Washington Carver by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 46°F | 23°F | 1.9 in | 9.7 h |
| February | 51°F | 26°F | 2.2 in | 10.6 h |
| March | 60°F | 35°F | 3.5 in | 11.7 h |
| April | 69°F | 44°F | 5.2 in | 13.0 h |
| May | 76°F | 54°F | 6.7 in | 14.0 h |
| June | 85°F | 63°F | 5.5 in | 14.5 h |
| July | 90°F | 67°F | 3.8 in | 14.3 h |
| August | 90°F | 65°F | 3.5 in | 13.4 h |
| September | 83°F | 57°F | 4.5 in | 12.2 h |
| October | 72°F | 45°F | 3.9 in | 11.0 h |
| November | 59°F | 35°F | 3.6 in | 10.0 h |
| December | 49°F | 26°F | 2.5 in | 9.5 h |
| Year total | 46.8 in |
NOAA 1991–2020 climate normals from station USC00232240, 0.1 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded George Washington Carver is at that time of year.
George Washington Carver weather by season
Winter: December to February
Average highs bottom out at 46°F in January, between 49°F in December and 51°F in February, with average lows between 23°F and 26°F. The average low is at or below freezing in all three months. Together the three months average 6.6 inches of precipitation, about 14% 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 76°F in May, with average lows between 35°F and 54°F. Together the three months average 15.4 inches of precipitation, about 33% of the yearly total and more than in any other season. Daylight lengthens from about 11.7 hours in March to 14.0 in May.
Summer: June to August
Average highs climb from 85°F in June to 90°F in August, with average lows between 63°F and 67°F. The average high is 90°F or hotter in July and August. Together the three months average 12.8 inches of precipitation, about 27% of the yearly total. Daylight is at its longest, about 14.5 hours in June.
Fall: September to November
Average highs fall from 83°F in September to 59°F in November, with average lows between 35°F and 57°F. Together the three months average 12 inches of precipitation, about 26% 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
George Washington Carver National Monument is located in southwestern Missouri just outside of Diamond and about 10 miles from Joplin. Summer temperatures generally range from 75-100 degrees with high humidity. Winter temperatures generally range from 0-50 degrees with periods of intermittent freezing.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for George Washington Carver
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 36.99°N, 94.36°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 George Washington Carver National Monument →
Weather and crowds together
August, the warmest month, sees about 0.9× the visitors of the park's average month. April 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 George Washington Carver National Monument. For hotels, cabins and rentals close to the park, see where to stay near George Washington Carver.
Where to stay near George Washington Carver
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Top-rated places to stay near George Washington Carver
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Frequently Asked Questions
August is the warmest month at George Washington Carver National Monument, with an average high of 90°F and an average low of 65°F. That is the 1991–2020 average at the nearest long-record NOAA station, 0.1 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at George Washington Carver National Monument, with an average low of 23°F and an average high of 46°F, based on NOAA 1991–2020 climate normals.
May is the wettest month, with about 6.7 inches of precipitation. January is the driest, at about 1.9 inches. The station records about 46.8 inches of precipitation in an average year.
Daylight at George Washington Carver National Monument 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
41 mi away · warmest in August (88°F)
53 mi away · warmest in July (88°F)
62 mi away · warmest in July (91°F)
104 mi away · warmest in July (90°F)
111 mi away · warmest in July (94°F)
134 mi away · warmest in July (88°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00232240), 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.