Climate averages 1991–2020
Macon weather
in May.
A hot, moderately wet month: the 5th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Macon: daytime highs average 28.5°C and nights cool to about 17.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 64 mm of rain on roughly 8 days, which makes May a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 50 min on an average May day.
The nearest other city in this atlas is Warner Robins (25 km away). In May its highs average 28.4°C, about as warm as Macon, with 62 mm of rain.
Among the 498 cities listed in the United States, Macon ranks joint 74th of 498 for the warmest May highs and 168th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Macon is 4.7°C warmer than that mean.
From May to June, average highs rise by 2.7°C to 31.1°C, and monthly rainfall rises from 64 mm to 97 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Macon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.3°C3.7°C | 3.7°C | 102 | 9.8 | 10.210 h |
| February | 15.5°C5.2°C | 5.2°C | 105 | 8.6 | 11.011 h |
| March | 19.5°C8.3°C | 8.3°C | 100 | 8.9 | 12.012 h |
| April | 24.0°C12.3°C | 12.3°C | 79 | 8.0 | 13.013 h |
| May, selected | 28.5°C17.0°C | 17.0°C | 64 | 8.3 | 13.814 h |
| June | 31.1°C20.9°C | 20.9°C | 97 | 14.0 | 14.314 h |
| July | 32.6°C22.8°C | 22.8°C | 101 | 14.8 | 14.114 h |
| August | 32.0°C22.4°C | 22.4°C | 95 | 14.2 | 13.413 h |
| September | 29.3°C19.7°C | 19.7°C | 91 | 8.7 | 12.412 h |
| October | 24.4°C14.0°C | 14.0°C | 72 | 6.2 | 11.411 h |
| November | 18.7°C8.4°C | 8.4°C | 77 | 7.1 | 10.511 h |
| December | 14.5°C5.1°C | 5.1°C | 98 | 9.1 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Warner Robins in MayUnited States · 25 kmHigh 28.4°C · Low 17.0°C · 62 mm rain
- Atlanta in MayUnited States · 123 kmHigh 26.0°C · Low 15.2°C · 77 mm rain
- Athens, United States in MayUnited States · 127 kmHigh 26.6°C · Low 15.8°C · 84 mm rain
- South Fulton in MayUnited States · 128 kmHigh 26.4°C · Low 16.1°C · 72 mm rain
- Columbus, United States in MayUnited States · 134 kmHigh 28.5°C · Low 17.0°C · 67 mm rain
- Sandy Springs in MayUnited States · 139 kmHigh 25.7°C · Low 15.4°C · 86 mm rain
- Johns Creek in MayUnited States · 142 kmHigh 25.8°C · Low 15.5°C · 85 mm rain
- Roswell in MayUnited States · 148 kmHigh 25.5°C · Low 15.2°C · 85 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Macon) is explained once on the Macon year overview and on the Sources, method and limits page.