Dickson climate — normals and trends
Dickson (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 1,222 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 (3.1 °C). Rainfall peaks in March.
Dickson averages 60 frost days, 72 hot days (≥ 30 °C) and 125 rainy days per year.
Dickson has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 66 to 54 per year over the period.
The hottest day of the period reached 42.1 °C (on 27 July 1952) and the coldest -29.3 °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
DicksonTennessee
- coords
- 36.08°, -87.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
20.5°C
Average daily low
10.4°C
Annual rainfall
1,222mm
Sunshine / day
9.0h
Mean relative humidity
69%
Average peak wind
14.6km/h
Seasonal range
23.0°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
72 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
18.9 cm
Average feels-like high
20.1 °C
Average feels-like low
8.9 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
74 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.32 · 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
42.1 °C
27 July 1952
Coldest day
-29.3 °C
2 February 1951
Wettest day
113 mm
27 April 2011
Windiest day
41.9 km/h
3 March 2023
Strongest gust
114.5 km/h
14 March 1978
Hottest feels-like
44.9 °C
29 June 2012
Coldest feels-like
-34.0 °C
2 February 1951
Snowiest day
23.3 cm
22 March 1968
Sunniest day
14.0 h
1 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 | 6.7 °C | -1.1 °C | 89 mm | -17 mm |
| Feb | 12.2 °C | +1.8 °C | 149 mm | +33 mm |
| Mar | 19.7 °C | +4.3 °C | 139 mm | +8 mm |
| Apr | 23.3 °C | +2.5 °C | 195 mm | +75 mm |
| May | 23.7 °C | -1.5 °C | 206 mm | +95 mm |
| Jun | 29.4 °C | -0.4 °C | 179 mm | +92 mm |
| Jul | 32.6 °C | +1.2 °C | 62 mm | -35 mm |
| Aug | 31.8 °C | +0.8 °C | 27 mm | -54 mm |
| Sep | 29.8 °C | +2.2 °C | 135 mm | +52 mm |
| Oct | 22.8 °C | +0.9 °C | 94 mm | +19 mm |
| Nov | 16.8 °C | +1.9 °C | 79 mm | -22 mm |
| Dec | 10.6 °C | +0.8 °C | 52 mm | -62 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 Dickson?
Dickson has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 1,222 mm of precipitation per year.
What is the hottest day ever recorded in Dickson?
The hottest day measured in Dickson between 1940 and 2025 was 27 July 1952, reaching 42.1 °C.
What is the coldest day in Dickson?
The coldest day measured in Dickson between 1940 and 2025 was 2 February 1951, at -29.3 °C.
Does it snow in Dickson?
Yes. Dickson gets on average 18.9 cm of snow per year and has around 60 frost days.
Has the climate of Dickson warmed?
Yes: Dickson warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dickson?
The wettest day measured in Dickson between 1940 and 2025 was 27 April 2011, with 113 mm of rain in 24 hours.
What was the windiest day in Dickson?
The windiest day measured in Dickson between 1940 and 2025 was 3 March 2023, with winds reaching 41.9 km/h.
What is the warmest month in Dickson?
The warmest month in Dickson is July (26.1 °C on average); the coldest is January (3.1 °C).
How much does it rain in Dickson?
Dickson receives on average 1,222 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Dickson?
Dickson 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 Dickson?
The heaviest 24-hour snowfall measured in Dickson between 1940 and 2025 was 22 March 1968, with 23.3 cm.
Are there tropical nights in Dickson?
Yes: Dickson has on average 74 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dickson?
In Dickson, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 29 June 2012, and the lowest was -34.0 °C on 2 February 1951.
Compare Dickson with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dickson