Gainesville climate — normals and trends
Gainesville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 920 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 (28.6 °C on average) and the coldest is January (5.5 °C). Rainfall peaks in May.
Gainesville averages 36 frost days, 104 hot days (≥ 30 °C) and 89 rainy days per year.
Gainesville has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 40 to 32 per year over the period.
The hottest day of the period reached 43.3 °C (on 19 July 2022) and the coldest -20.6 °C (on 16 February 2021).
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
GainesvilleTexas
- coords
- 33.63°, -97.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
23.0°C
Average daily low
12.6°C
Annual rainfall
920mm
Sunshine / day
9.6h
Mean relative humidity
65%
Average peak wind
18.0km/h
Seasonal range
23.1°C
Frost days (< 0 °C)
36 d/yr
Hot days (≥ 30 °C)
104 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
9.7 cm
Average feels-like high
22.7 °C
Average feels-like low
11.2 °C
Average peak gust
37.2 km/h
Tropical nights (≥ 20 °C)
106 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
43.3 °C
19 July 2022
Coldest day
-20.6 °C
16 February 2021
Wettest day
121 mm
27 March 1977
Windiest day
44.6 km/h
15 March 2001
Strongest gust
105.8 km/h
13 March 2019
Hottest feels-like
45.9 °C
22 July 2018
Coldest feels-like
-25.6 °C
16 February 2021
Snowiest day
19.7 cm
1 March 1942
Sunniest day
13.8 h
26 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 | 10.1 °C | -1.0 °C | 52 mm | +3 mm |
| Feb | 14.1 °C | +0.5 °C | 26 mm | -34 mm |
| Mar | 23.2 °C | +5.0 °C | 68 mm | -24 mm |
| Apr | 24.4 °C | +1.5 °C | 183 mm | +73 mm |
| May | 27.3 °C | +0.4 °C | 138 mm | +3 mm |
| Jun | 31.9 °C | +0.7 °C | 114 mm | +30 mm |
| Jul | 34.0 °C | +0.2 °C | 85 mm | +36 mm |
| Aug | 32.8 °C | -1.1 °C | 50 mm | +2 mm |
| Sep | 31.9 °C | +2.1 °C | 15 mm | -61 mm |
| Oct | 27.5 °C | +3.2 °C | 80 mm | -12 mm |
| Nov | 21.5 °C | +4.0 °C | 83 mm | +14 mm |
| Dec | 16.2 °C | +3.5 °C | 3 mm | -53 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 17.5 °C and it receives 920 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 19 July 2022, reaching 43.3 °C.
What is the coldest day in Gainesville?
The coldest day measured in Gainesville between 1940 and 2025 was 16 February 2021, at -20.6 °C.
Does it snow in Gainesville?
Yes. Gainesville gets on average 9.7 cm of snow per year and has around 36 frost days.
Has the climate of Gainesville warmed?
Yes: Gainesville warmed by +1.6 °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 March 1977, with 121 mm of rain in 24 hours.
What was the windiest day in Gainesville?
The windiest day measured in Gainesville between 1940 and 2025 was 15 March 2001, with winds reaching 44.6 km/h.
What is the warmest month in Gainesville?
The warmest month in Gainesville is July (28.6 °C on average); the coldest is January (5.5 °C).
How much does it rain in Gainesville?
Gainesville receives on average 920 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Gainesville?
Gainesville gets on average 9.6 hours of sunshine per day, roughly 3,504 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 1 March 1942, with 19.7 cm.
Are there tropical nights in Gainesville?
Yes: Gainesville has on average 106 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 45.9 °C on 22 July 2018, and the lowest was -25.6 °C on 16 February 2021.
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