Milton climate — normals and trends
Milton (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.5 °C and it receives 1,317 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 (25.1 °C on average) and the coldest is January (5.0 °C). Rainfall peaks in March.
Milton averages 45 frost days, 52 hot days (≥ 30 °C) and 129 rainy days per year.
Milton has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 50 to 40 per year over the period.
The hottest day of the period reached 39.2 °C (on 30 June 2012) and the coldest -23.4 °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
MiltonGeorgia
- coords
- 34.13°, -84.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.5°C
Average daily high
20.9°C
Average daily low
10.8°C
Annual rainfall
1,317mm
Sunshine / day
9.0h
Mean relative humidity
72%
Average peak wind
14.5km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
45 d/yr
Hot days (≥ 30 °C)
52 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
7.8 cm
Average feels-like high
20.7 °C
Average feels-like low
9.6 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
68 d/yr
Solar radiation
15.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.25 · 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
39.2 °C
30 June 2012
Coldest day
-23.4 °C
21 January 1985
Wettest day
106 mm
10 February 1981
Windiest day
49.4 km/h
5 October 1995
Strongest gust
127.4 km/h
5 October 1995
Hottest feels-like
43.8 °C
30 June 2012
Coldest feels-like
-30.2 °C
21 January 1985
Snowiest day
20.9 cm
23 January 1940
Sunniest day
14.0 h
17 June 2021
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 | 8.0 °C | -2.0 °C | 79 mm | -52 mm |
| Feb | 15.3 °C | +3.0 °C | 140 mm | +11 mm |
| Mar | 19.6 °C | +3.0 °C | 86 mm | -55 mm |
| Apr | 23.4 °C | +2.1 °C | 136 mm | +18 mm |
| May | 24.2 °C | -1.1 °C | 194 mm | +94 mm |
| Jun | 29.4 °C | +0.5 °C | 125 mm | +30 mm |
| Jul | 31.9 °C | +1.7 °C | 91 mm | -20 mm |
| Aug | 28.0 °C | -1.7 °C | 130 mm | +34 mm |
| Sep | 27.9 °C | +1.0 °C | 34 mm | -55 mm |
| Oct | 22.0 °C | +0.2 °C | 54 mm | -28 mm |
| Nov | 18.1 °C | +2.1 °C | 48 mm | -56 mm |
| Dec | 13.2 °C | +1.8 °C | 45 mm | -78 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 Milton?
Milton has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.5 °C and it receives 1,317 mm of precipitation per year.
What is the hottest day ever recorded in Milton?
The hottest day measured in Milton between 1940 and 2025 was 30 June 2012, reaching 39.2 °C.
What is the coldest day in Milton?
The coldest day measured in Milton between 1940 and 2025 was 21 January 1985, at -23.4 °C.
Does it snow in Milton?
Yes. Milton gets on average 7.8 cm of snow per year and has around 45 frost days.
Has the climate of Milton warmed?
Yes: Milton warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Milton?
The wettest day measured in Milton between 1940 and 2025 was 10 February 1981, with 106 mm of rain in 24 hours.
What was the windiest day in Milton?
The windiest day measured in Milton between 1940 and 2025 was 5 October 1995, with winds reaching 49.4 km/h.
What is the warmest month in Milton?
The warmest month in Milton is July (25.1 °C on average); the coldest is January (5.0 °C).
How much does it rain in Milton?
Milton receives on average 1,317 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Milton?
Milton gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Milton?
The heaviest 24-hour snowfall measured in Milton between 1940 and 2025 was 23 January 1940, with 20.9 cm.
Are there tropical nights in Milton?
Yes: Milton has on average 68 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Milton?
In Milton, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 30 June 2012, and the lowest was -30.2 °C on 21 January 1985.
Compare Milton with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Milton