Greenville climate — normals and trends
Greenville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 1,062 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 August (28.5 °C on average) and the coldest is January (6.5 °C). Rainfall peaks in May.
Greenville averages 29 frost days, 102 hot days (≥ 30 °C) and 97 rainy days per year.
Greenville has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 33 to 25 per year over the period.
The hottest day of the period reached 41.9 °C (on 2 August 2011) and the coldest -19.0 °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
GreenvilleTexas
- coords
- 33.14°, -96.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.0°C
Average daily high
23.2°C
Average daily low
13.2°C
Annual rainfall
1,062mm
Sunshine / day
9.2h
Mean relative humidity
68%
Average peak wind
18.8km/h
Seasonal range
22.0°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
102 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
6.2 cm
Average feels-like high
23.2 °C
Average feels-like low
12.0 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
112 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
41.9 °C
2 August 2011
Coldest day
-19.0 °C
16 February 2021
Wettest day
147 mm
30 August 1944
Windiest day
49.3 km/h
12 September 1961
Strongest gust
104.8 km/h
5 November 1994
Hottest feels-like
45.9 °C
7 September 2023
Coldest feels-like
-24.6 °C
23 December 1989
Snowiest day
17.2 cm
1 March 1942
Sunniest day
13.8 h
10 June 2020
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 | 10.5 °C | -1.3 °C | 128 mm | +59 mm |
| Feb | 14.6 °C | +0.4 °C | 60 mm | -20 mm |
| Mar | 22.6 °C | +4.1 °C | 82 mm | -22 mm |
| Apr | 24.5 °C | +1.5 °C | 230 mm | +97 mm |
| May | 27.1 °C | +0.2 °C | 151 mm | +3 mm |
| Jun | 31.3 °C | +0.3 °C | 78 mm | -10 mm |
| Jul | 33.5 °C | +0.2 °C | 61 mm | +8 mm |
| Aug | 33.2 °C | -0.5 °C | 57 mm | +9 mm |
| Sep | 31.6 °C | +1.5 °C | 24 mm | -50 mm |
| Oct | 27.6 °C | +2.9 °C | 71 mm | -25 mm |
| Nov | 22.0 °C | +4.0 °C | 106 mm | +15 mm |
| Dec | 16.5 °C | +3.1 °C | 11 mm | -68 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 Greenville?
Greenville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,062 mm of precipitation per year.
What is the hottest day ever recorded in Greenville?
The hottest day measured in Greenville between 1940 and 2025 was 2 August 2011, reaching 41.9 °C.
What is the coldest day in Greenville?
The coldest day measured in Greenville between 1940 and 2025 was 16 February 2021, at -19.0 °C.
Does it snow in Greenville?
Yes. Greenville gets on average 6.2 cm of snow per year and has around 29 frost days.
Has the climate of Greenville warmed?
Yes: Greenville warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Greenville?
The wettest day measured in Greenville between 1940 and 2025 was 30 August 1944, with 147 mm of rain in 24 hours.
What was the windiest day in Greenville?
The windiest day measured in Greenville between 1940 and 2025 was 12 September 1961, with winds reaching 49.3 km/h.
What is the warmest month in Greenville?
The warmest month in Greenville is August (28.5 °C on average); the coldest is January (6.5 °C).
How much does it rain in Greenville?
Greenville receives on average 1,062 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Greenville?
Greenville gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Greenville?
The heaviest 24-hour snowfall measured in Greenville between 1940 and 2025 was 1 March 1942, with 17.2 cm.
Are there tropical nights in Greenville?
Yes: Greenville has on average 112 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Greenville?
In Greenville, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 7 September 2023, and the lowest was -24.6 °C on 23 December 1989.
Compare Greenville with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Greenville