Gainesville climate — normals and trends
Gainesville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.2 °C and it receives 1,047 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 (26.6 °C on average) and the coldest is January (12.4 °C). Rainfall peaks in August.
Gainesville averages 9 frost days, 119 hot days (≥ 30 °C) and 136 rainy days per year.
Gainesville has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.0 °C (on 1 June 1945) and the coldest -11.3 °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
GainesvilleFlorida
- coords
- 29.65°, -82.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.2°C
Average daily high
26.1°C
Average daily low
15.5°C
Annual rainfall
1,047mm
Sunshine / day
9.7h
Mean relative humidity
76%
Average peak wind
13.6km/h
Seasonal range
14.2°C
Frost days (< 0 °C)
9 d/yr
Hot days (≥ 30 °C)
119 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.7 °C
Average feels-like low
16.0 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
134 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °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
40.0 °C
1 June 1945
Coldest day
-11.3 °C
21 January 1985
Wettest day
171 mm
27 August 1949
Windiest day
52.9 km/h
26 September 2024
Strongest gust
154.4 km/h
19 October 1944
Hottest feels-like
44.5 °C
31 July 1999
Coldest feels-like
-17.7 °C
21 January 1985
Snowiest day
1.6 cm
10 February 1973
Sunniest day
13.1 h
22 June 2016
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 | 16.3 °C | -2.2 °C | 96 mm | +26 mm |
| Feb | 23.0 °C | +2.9 °C | 46 mm | -26 mm |
| Mar | 24.5 °C | +1.4 °C | 85 mm | 0 mm |
| Apr | 29.4 °C | +2.9 °C | 19 mm | -43 mm |
| May | 32.6 °C | +2.7 °C | 107 mm | +37 mm |
| Jun | 33.2 °C | +1.6 °C | 131 mm | +4 mm |
| Jul | 33.5 °C | +1.5 °C | 148 mm | +2 mm |
| Aug | 32.6 °C | +0.9 °C | 177 mm | +29 mm |
| Sep | 31.4 °C | +1.1 °C | 52 mm | -56 mm |
| Oct | 27.3 °C | +0.3 °C | 53 mm | -2 mm |
| Nov | 25.5 °C | +2.6 °C | 3 mm | -43 mm |
| Dec | 21.3 °C | +1.6 °C | 57 mm | -2 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 Gainesville?
Gainesville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.2 °C and it receives 1,047 mm of precipitation per year.
What is the hottest day ever recorded in Gainesville?
The hottest day measured in Gainesville between 1940 and 2025 was 1 June 1945, reaching 40.0 °C.
What is the coldest day in Gainesville?
The coldest day measured in Gainesville between 1940 and 2025 was 21 January 1985, at -11.3 °C.
Does it snow in Gainesville?
Almost never: Gainesville sees virtually no snow, with about 9 frost days per year.
Has the climate of Gainesville warmed?
Yes: Gainesville warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gainesville?
The wettest day measured in Gainesville between 1940 and 2025 was 27 August 1949, with 171 mm of rain in 24 hours.
What was the windiest day in Gainesville?
The windiest day measured in Gainesville between 1940 and 2025 was 26 September 2024, with winds reaching 52.9 km/h.
What is the warmest month in Gainesville?
The warmest month in Gainesville is July (26.6 °C on average); the coldest is January (12.4 °C).
How much does it rain in Gainesville?
Gainesville receives on average 1,047 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Gainesville?
Gainesville gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gainesville?
The heaviest 24-hour snowfall measured in Gainesville between 1940 and 2025 was 10 February 1973, with 1.6 cm.
Are there tropical nights in Gainesville?
Yes: Gainesville has on average 134 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gainesville?
In Gainesville, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 31 July 1999, and the lowest was -17.7 °C on 21 January 1985.
Compare Gainesville with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gainesville