Greeneville climate — normals and trends
Greeneville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 1,161 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 (23.1 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in March.
Greeneville averages 77 frost days, 25 hot days (≥ 30 °C) and 148 rainy days per year.
Greeneville has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 87 to 67 per year over the period.
The hottest day of the period reached 37.0 °C (on 28 July 1952) and the coldest -29.1 °C (on 5 February 1996).
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
GreenevilleTennessee
- coords
- 36.16°, -82.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.1°C
Average daily high
18.8°C
Average daily low
8.1°C
Annual rainfall
1,161mm
Sunshine / day
9.0h
Mean relative humidity
73%
Average peak wind
11.9km/h
Seasonal range
20.9°C
Frost days (< 0 °C)
77 d/yr
Hot days (≥ 30 °C)
25 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
41.3 cm
Average feels-like high
18.2 °C
Average feels-like low
6.6 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
17 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.32 · 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
37.0 °C
28 July 1952
Coldest day
-29.1 °C
5 February 1996
Wettest day
130 mm
26 September 2024
Windiest day
38.5 km/h
25 February 1961
Strongest gust
126.0 km/h
27 September 2024
Hottest feels-like
41.1 °C
21 August 1983
Coldest feels-like
-34.0 °C
5 February 1996
Snowiest day
39.7 cm
13 March 1993
Sunniest day
14.5 h
26 June 2012
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 | 4.3 °C | -2.9 °C | 63 mm | -43 mm |
| Feb | 11.8 °C | +2.3 °C | 131 mm | +27 mm |
| Mar | 17.8 °C | +3.6 °C | 60 mm | -56 mm |
| Apr | 21.9 °C | +2.5 °C | 108 mm | +4 mm |
| May | 22.6 °C | -0.7 °C | 188 mm | +84 mm |
| Jun | 29.1 °C | +2.0 °C | 90 mm | -2 mm |
| Jul | 31.6 °C | +3.2 °C | 80 mm | -26 mm |
| Aug | 28.0 °C | -0.1 °C | 93 mm | +3 mm |
| Sep | 26.2 °C | +0.8 °C | 65 mm | -19 mm |
| Oct | 20.5 °C | +0.6 °C | 93 mm | +21 mm |
| Nov | 14.8 °C | +1.1 °C | 74 mm | -11 mm |
| Dec | 9.9 °C | +1.0 °C | 77 mm | -21 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 Greeneville?
Greeneville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,161 mm of precipitation per year.
What is the hottest day ever recorded in Greeneville?
The hottest day measured in Greeneville between 1940 and 2025 was 28 July 1952, reaching 37.0 °C.
What is the coldest day in Greeneville?
The coldest day measured in Greeneville between 1940 and 2025 was 5 February 1996, at -29.1 °C.
Does it snow in Greeneville?
Yes. Greeneville gets on average 41.3 cm of snow per year and has around 77 frost days.
Has the climate of Greeneville warmed?
Yes: Greeneville warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Greeneville?
The wettest day measured in Greeneville between 1940 and 2025 was 26 September 2024, with 130 mm of rain in 24 hours.
What was the windiest day in Greeneville?
The windiest day measured in Greeneville between 1940 and 2025 was 25 February 1961, with winds reaching 38.5 km/h.
What is the warmest month in Greeneville?
The warmest month in Greeneville is July (23.1 °C on average); the coldest is January (2.2 °C).
How much does it rain in Greeneville?
Greeneville receives on average 1,161 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Greeneville?
Greeneville 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 Greeneville?
The heaviest 24-hour snowfall measured in Greeneville between 1940 and 2025 was 13 March 1993, with 39.7 cm.
Are there tropical nights in Greeneville?
Yes: Greeneville has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Greeneville?
In Greeneville, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 21 August 1983, and the lowest was -34.0 °C on 5 February 1996.
Compare Greeneville with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Greeneville