Updated October 2026
Chattahoochee River National Recreation Area Weather by Month
Chattahoochee River National Recreation Area is warmest in July, when the nearest NOAA climate station averages a high of 89°F and a low of 70°F, and coldest in January, with an average high of 52°F and an average low of 33°F. March, June and July are the wettest months, with about 4.7 inches of precipitation each.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 8.2 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Chattahoochee River National Recreation Area can differ from these, particularly with elevation.
Warmest month
Jul
89°F avg high
Coldest month
Jan
33°F avg low
Longest days
Jun
14.3 h of daylight
Average weather at Chattahoochee River by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 52°F | 33°F | 4.6 in | 10.0 h |
| February | 56°F | 36°F | 4.5 in | 10.8 h |
| March | 64°F | 42°F | 4.7 in | 11.7 h |
| April | 73°F | 49°F | 3.9 in | 12.9 h |
| May | 80°F | 59°F | 3.8 in | 13.8 h |
| June | 86°F | 66°F | 4.7 in | 14.3 h |
| July | 89°F | 70°F | 4.7 in | 14.1 h |
| August | 88°F | 69°F | 4.5 in | 13.3 h |
| September | 83°F | 63°F | 4.1 in | 12.2 h |
| October | 73°F | 51°F | 3.4 in | 11.1 h |
| November | 63°F | 41°F | 4.2 in | 10.2 h |
| December | 54°F | 36°F | 4.4 in | 9.7 h |
| Year total | 51.5 in |
NOAA 1991–2020 climate normals from station USW00053863, 8.2 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Chattahoochee River is at that time of year.
Chattahoochee River weather by season
Winter: December to February
Average highs bottom out at 52°F in January, between 54°F in December and 56°F in February, with average lows between 33°F and 36°F. Together the three months average 13.5 inches of precipitation, about 26% of the yearly total. Daylight is at its shortest, about 9.7 hours in December.
Spring: March to May
Average highs climb from 64°F in March to 80°F in May, with average lows between 42°F and 59°F. Together the three months average 12.4 inches of precipitation, about 24% of the yearly total. Daylight lengthens from about 11.7 hours in March to 13.8 in May.
Summer: June to August
Average highs peak at 89°F in July, between 86°F in June and 88°F in August, with average lows between 66°F and 70°F. Together the three months average 13.9 inches of precipitation, about 27% of the yearly total and more than in any other season. Daylight is at its longest, about 14.3 hours in June.
Fall: September to November
Average highs fall from 83°F in September to 63°F in November, with average lows between 41°F and 63°F. Together the three months average 11.7 inches of precipitation, about 23% of the yearly total and less than in any other season. Daylight shortens from about 12.2 hours in September to 10.2 in November.
What the National Park Service says about the weather
Summers typically consist of long spells of warm, humid weather. Average highs are in the lower 90's and overnight lows range from the upper 60's to lower 70's. Winters are more variable with highs averaging from the mid 50's to lower 60's while the lows average in the mid 30's. Oftentimes, stretches of mild weather will alternate with cold spells. Spring and Autumn seasons are characterized by much variability from day to day and from year to year.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Chattahoochee River
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 34.00°N, 84.29°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 Chattahoochee River National Recreation Area →
Weather and crowds together
July, the warmest month, sees about 1.3× the visitors of the park's average month. June is the busiest month of the year and December the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Chattahoochee River National Recreation Area. For hotels, cabins and rentals close to the park, see where to stay near Chattahoochee River.
Where to stay near Chattahoochee River
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Frequently Asked Questions
July is the warmest month at Chattahoochee River National Recreation Area, with an average high of 89°F and an average low of 70°F. That is the 1991–2020 average at the nearest long-record NOAA station, 8.2 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Chattahoochee River National Recreation Area, with an average low of 33°F and an average high of 52°F, based on NOAA 1991–2020 climate normals.
March, June and July are the wettest months, with about 4.7 inches of precipitation each. October is the driest, at about 3.4 inches. The station records about 51.5 inches of precipitation in an average year.
Daylight at Chattahoochee River National Recreation Area runs from about 9.7 hours a day in December to about 14.3 hours in June, computed from the park's latitude.
Weather at nearby parks
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Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00053863), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1980–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.