Augusta climate — normals and trends
Augusta (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.5 °C and it receives 1,050 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 (21.0 °C on average) and the coldest is January (-6.8 °C). Rainfall peaks in November.
Augusta averages 137 frost days, 12 hot days (≥ 30 °C) and 119 rainy days per year.
Augusta has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 144 to 130 per year over the period.
The hottest day of the period reached 37.9 °C (on 24 June 2025) and the coldest -32.3 °C (on 26 December 1980).
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
AugustaMaine
- coords
- 44.31°, -69.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.5°C
Average daily high
12.4°C
Average daily low
2.8°C
Annual rainfall
1,050mm
Sunshine / day
8.7h
Mean relative humidity
72%
Average peak wind
16.0km/h
Seasonal range
27.8°C
Frost days (< 0 °C)
137 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
144.8 cm
Average feels-like high
10.2 °C
Average feels-like low
-0.2 °C
Average peak gust
37.5 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
37.9 °C
24 June 2025
Coldest day
-32.3 °C
26 December 1980
Wettest day
118 mm
7 September 2008
Windiest day
51.2 km/h
31 August 1954
Strongest gust
135.7 km/h
16 February 2016
Hottest feels-like
42.3 °C
2 August 1975
Coldest feels-like
-37.4 °C
26 December 1980
Snowiest day
35.3 cm
18 February 1952
Sunniest day
15.0 h
14 June 1940
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 | -2.0 °C | +0.1 °C | 37 mm | -46 mm |
| Feb | -1.6 °C | -1.1 °C | 69 mm | -7 mm |
| Mar | 6.3 °C | +1.9 °C | 115 mm | +22 mm |
| Apr | 12.3 °C | +1.1 °C | 117 mm | +26 mm |
| May | 17.3 °C | -0.6 °C | 99 mm | +16 mm |
| Jun | 24.1 °C | +1.2 °C | 43 mm | -44 mm |
| Jul | 27.9 °C | +1.7 °C | 54 mm | -28 mm |
| Aug | 27.4 °C | +2.1 °C | 28 mm | -51 mm |
| Sep | 22.9 °C | +2.3 °C | 61 mm | -22 mm |
| Oct | 16.2 °C | +1.9 °C | 91 mm | -4 mm |
| Nov | 7.3 °C | 0.0 °C | 58 mm | -43 mm |
| Dec | -0.9 °C | -1.6 °C | 97 mm | -1 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 Augusta?
Augusta has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.5 °C and it receives 1,050 mm of precipitation per year.
What is the hottest day ever recorded in Augusta?
The hottest day measured in Augusta between 1940 and 2025 was 24 June 2025, reaching 37.9 °C.
What is the coldest day in Augusta?
The coldest day measured in Augusta between 1940 and 2025 was 26 December 1980, at -32.3 °C.
Does it snow in Augusta?
Yes. Augusta gets on average 144.8 cm of snow per year and has around 137 frost days.
Has the climate of Augusta warmed?
Yes: Augusta warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Augusta?
The wettest day measured in Augusta between 1940 and 2025 was 7 September 2008, with 118 mm of rain in 24 hours.
What was the windiest day in Augusta?
The windiest day measured in Augusta between 1940 and 2025 was 31 August 1954, with winds reaching 51.2 km/h.
What is the warmest month in Augusta?
The warmest month in Augusta is July (21.0 °C on average); the coldest is January (-6.8 °C).
How much does it rain in Augusta?
Augusta receives on average 1,050 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Augusta?
Augusta gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Augusta?
The heaviest 24-hour snowfall measured in Augusta between 1940 and 2025 was 18 February 1952, with 35.3 cm.
Are there tropical nights in Augusta?
Yes: Augusta has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Augusta?
In Augusta, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 2 August 1975, and the lowest was -37.4 °C on 26 December 1980.
Compare Augusta with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Augusta