Macon climate — normals and trends
Macon (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 1,045 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (26.8 °C on average) and the coldest is January (7.8 °C). Rainfall peaks in July.
Macon averages 31 frost days, 105 hot days (≥ 30 °C) and 120 rainy days per year.
Macon has warmed by +1.2 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.0 °C (on 30 June 2012) and the coldest -19.5 °C (on 21 January 1985).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MaconGeorgia
- coords
- 32.84°, -83.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.8°C
Average daily high
23.9°C
Average daily low
12.6°C
Annual rainfall
1,045mm
Sunshine / day
9.3h
Mean relative humidity
70%
Average peak wind
14.0km/h
Seasonal range
19.0°C
Frost days (< 0 °C)
31 d/yr
Hot days (≥ 30 °C)
105 d/yr
Rainy days (≥ 1 mm)
120 d/yr
Annual snowfall
1.6 cm
Average feels-like high
24.3 °C
Average feels-like low
11.9 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
100 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.2 °C per decade · r² = 0.28 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
42.0 °C
30 June 2012
Coldest day
-19.5 °C
21 January 1985
Wettest day
119 mm
3 September 1998
Windiest day
49.0 km/h
11 September 2017
Strongest gust
130.0 km/h
11 September 2017
Hottest feels-like
46.1 °C
1 July 2012
Coldest feels-like
-26.1 °C
21 January 1985
Snowiest day
21.4 cm
9 February 1973
Sunniest day
13.8 h
19 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.7 °C | -1.9 °C | 72 mm | -25 mm |
| Feb | 19.0 °C | +3.1 °C | 49 mm | -49 mm |
| Mar | 22.3 °C | +2.4 °C | 86 mm | -22 mm |
| Apr | 27.4 °C | +2.9 °C | 52 mm | -22 mm |
| May | 28.9 °C | +0.4 °C | 156 mm | +86 mm |
| Jun | 32.2 °C | +0.5 °C | 114 mm | +24 mm |
| Jul | 34.3 °C | +1.8 °C | 97 mm | -14 mm |
| Aug | 29.6 °C | -2.5 °C | 209 mm | +117 mm |
| Sep | 30.1 °C | +0.6 °C | 17 mm | -68 mm |
| Oct | 24.4 °C | -0.4 °C | 41 mm | -19 mm |
| Nov | 22.1 °C | +2.8 °C | 17 mm | -54 mm |
| Dec | 15.6 °C | +0.7 °C | 87 mm | -3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Macon?
Macon has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 1,045 mm of precipitation per year.
What is the hottest day ever recorded in Macon?
The hottest day measured in Macon between 1940 and 2025 was 30 June 2012, reaching 42.0 °C.
What is the coldest day in Macon?
The coldest day measured in Macon between 1940 and 2025 was 21 January 1985, at -19.5 °C.
Does it snow in Macon?
Yes. Macon gets on average 1.6 cm of snow per year and has around 31 frost days.
Has the climate of Macon warmed?
Yes: Macon warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Macon?
The wettest day measured in Macon between 1940 and 2025 was 3 September 1998, with 119 mm of rain in 24 hours.
What was the windiest day in Macon?
The windiest day measured in Macon between 1940 and 2025 was 11 September 2017, with winds reaching 49.0 km/h.
What is the warmest month in Macon?
The warmest month in Macon is July (26.8 °C on average); the coldest is January (7.8 °C).
How much does it rain in Macon?
Macon receives on average 1,045 mm of precipitation per year, spread over about 120 rainy days.
Is it sunny in Macon?
Macon gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Macon?
The heaviest 24-hour snowfall measured in Macon between 1940 and 2025 was 9 February 1973, with 21.4 cm.
Are there tropical nights in Macon?
Yes: Macon has on average 100 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Macon?
In Macon, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 1 July 2012, and the lowest was -26.1 °C on 21 January 1985.
Compare Macon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Macon