Clarksville climate — normals and trends
Clarksville (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 1,188 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 (26.1 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in March.
Clarksville averages 64 frost days, 73 hot days (≥ 30 °C) and 123 rainy days per year.
Clarksville 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 71 to 57 per year over the period.
The hottest day of the period reached 42.2 °C (on 29 June 2012) and the coldest -27.8 °C (on 2 February 1951).
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
ClarksvilleTennessee
- coords
- 36.53°, -87.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
20.2°C
Average daily low
10.0°C
Annual rainfall
1,188mm
Sunshine / day
9.1h
Mean relative humidity
69%
Average peak wind
14.4km/h
Seasonal range
23.6°C
Frost days (< 0 °C)
64 d/yr
Hot days (≥ 30 °C)
73 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
21.6 cm
Average feels-like high
19.8 °C
Average feels-like low
8.6 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
71 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
42.2 °C
29 June 2012
Coldest day
-27.8 °C
2 February 1951
Wettest day
123 mm
27 September 2024
Windiest day
44.8 km/h
3 March 2023
Strongest gust
111.2 km/h
17 February 2022
Hottest feels-like
45.3 °C
29 June 2012
Coldest feels-like
-32.7 °C
2 February 1951
Snowiest day
24.6 cm
22 March 1968
Sunniest day
14.0 h
29 June 2022
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 | 6.1 °C | -0.9 °C | 99 mm | -3 mm |
| Feb | 11.5 °C | +1.8 °C | 176 mm | +67 mm |
| Mar | 19.4 °C | +4.5 °C | 129 mm | +3 mm |
| Apr | 22.9 °C | +2.3 °C | 199 mm | +84 mm |
| May | 23.8 °C | -1.4 °C | 200 mm | +85 mm |
| Jun | 29.8 °C | -0.1 °C | 173 mm | +88 mm |
| Jul | 32.5 °C | +1.0 °C | 92 mm | -3 mm |
| Aug | 31.6 °C | +0.6 °C | 17 mm | -61 mm |
| Sep | 29.6 °C | +2.0 °C | 103 mm | +22 mm |
| Oct | 22.7 °C | +1.0 °C | 104 mm | +30 mm |
| Nov | 16.1 °C | +1.7 °C | 82 mm | -20 mm |
| Dec | 10.0 °C | +0.8 °C | 53 mm | -55 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 Clarksville?
Clarksville has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,188 mm of precipitation per year.
What is the hottest day ever recorded in Clarksville?
The hottest day measured in Clarksville between 1940 and 2025 was 29 June 2012, reaching 42.2 °C.
What is the coldest day in Clarksville?
The coldest day measured in Clarksville between 1940 and 2025 was 2 February 1951, at -27.8 °C.
Does it snow in Clarksville?
Yes. Clarksville gets on average 21.6 cm of snow per year and has around 64 frost days.
Has the climate of Clarksville warmed?
Yes: Clarksville warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Clarksville?
The wettest day measured in Clarksville between 1940 and 2025 was 27 September 2024, with 123 mm of rain in 24 hours.
What was the windiest day in Clarksville?
The windiest day measured in Clarksville between 1940 and 2025 was 3 March 2023, with winds reaching 44.8 km/h.
What is the warmest month in Clarksville?
The warmest month in Clarksville is July (26.1 °C on average); the coldest is January (2.5 °C).
How much does it rain in Clarksville?
Clarksville receives on average 1,188 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Clarksville?
Clarksville gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Clarksville?
The heaviest 24-hour snowfall measured in Clarksville between 1940 and 2025 was 22 March 1968, with 24.6 cm.
Are there tropical nights in Clarksville?
Yes: Clarksville has on average 71 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Clarksville?
In Clarksville, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 29 June 2012, and the lowest was -32.7 °C on 2 February 1951.
Compare Clarksville with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Clarksville