Clarksburg climate — normals and trends
Clarksburg (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.6 °C and it receives 1,370 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 (22.3 °C on average) and the coldest is January (-0.2 °C). Rainfall peaks in May.
Clarksburg averages 91 frost days, 13 hot days (≥ 30 °C) and 160 rainy days per year.
Clarksburg has warmed by +1.7 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 81 per year over the period.
The hottest day of the period reached 36.2 °C (on 7 July 1988) and the coldest -27.4 °C (on 19 January 1994).
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
ClarksburgWest Virginia
- coords
- 39.28°, -80.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.6°C
Average daily high
16.6°C
Average daily low
7.0°C
Annual rainfall
1,370mm
Sunshine / day
8.5h
Mean relative humidity
72%
Average peak wind
14.9km/h
Seasonal range
22.5°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
160 d/yr
Annual snowfall
75.2 cm
Average feels-like high
15.6 °C
Average feels-like low
4.7 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
18 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
36.2 °C
7 July 1988
Coldest day
-27.4 °C
19 January 1994
Wettest day
84 mm
4 November 1985
Windiest day
42.5 km/h
25 February 1956
Strongest gust
107.3 km/h
12 January 2024
Hottest feels-like
41.7 °C
15 July 1995
Coldest feels-like
-33.8 °C
21 January 1985
Snowiest day
36.5 cm
13 March 1993
Sunniest day
14.8 h
23 June 1949
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -0.1 °C | -4.1 °C | 92 mm | -12 mm |
| Feb | 7.0 °C | +1.0 °C | 134 mm | +32 mm |
| Mar | 16.0 °C | +4.7 °C | 77 mm | -45 mm |
| Apr | 19.1 °C | +1.7 °C | 141 mm | +17 mm |
| May | 20.9 °C | -0.7 °C | 203 mm | +64 mm |
| Jun | 27.4 °C | +1.9 °C | 150 mm | +14 mm |
| Jul | 29.1 °C | +2.0 °C | 149 mm | +11 mm |
| Aug | 26.7 °C | +0.2 °C | 30 mm | -83 mm |
| Sep | 25.7 °C | +2.1 °C | 71 mm | -27 mm |
| Oct | 18.7 °C | +0.6 °C | 71 mm | -20 mm |
| Nov | 11.3 °C | -0.3 °C | 99 mm | -1 mm |
| Dec | 6.0 °C | -0.1 °C | 92 mm | -12 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 Clarksburg?
Clarksburg has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 1,370 mm of precipitation per year.
What is the hottest day ever recorded in Clarksburg?
The hottest day measured in Clarksburg between 1940 and 2025 was 7 July 1988, reaching 36.2 °C.
What is the coldest day in Clarksburg?
The coldest day measured in Clarksburg between 1940 and 2025 was 19 January 1994, at -27.4 °C.
Does it snow in Clarksburg?
Yes. Clarksburg gets on average 75.2 cm of snow per year and has around 91 frost days.
Has the climate of Clarksburg warmed?
Yes: Clarksburg warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Clarksburg?
The wettest day measured in Clarksburg between 1940 and 2025 was 4 November 1985, with 84 mm of rain in 24 hours.
What was the windiest day in Clarksburg?
The windiest day measured in Clarksburg between 1940 and 2025 was 25 February 1956, with winds reaching 42.5 km/h.
What is the warmest month in Clarksburg?
The warmest month in Clarksburg is July (22.3 °C on average); the coldest is January (-0.2 °C).
How much does it rain in Clarksburg?
Clarksburg receives on average 1,370 mm of precipitation per year, spread over about 160 rainy days.
Is it sunny in Clarksburg?
Clarksburg gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Clarksburg?
The heaviest 24-hour snowfall measured in Clarksburg between 1940 and 2025 was 13 March 1993, with 36.5 cm.
Are there tropical nights in Clarksburg?
Yes: Clarksburg has on average 18 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Clarksburg?
In Clarksburg, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 15 July 1995, and the lowest was -33.8 °C on 21 January 1985.
Compare Clarksburg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Clarksburg