Columbia climate — normals and trends
Columbia (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 1,231 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 (25.9 °C on average) and the coldest is January (3.6 °C). Rainfall peaks in March.
Columbia averages 58 frost days, 72 hot days (≥ 30 °C) and 125 rainy days per year.
Columbia has warmed by +1.5 °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 64 to 52 per year over the period.
The hottest day of the period reached 41.6 °C (on 27 July 1952) and the coldest -26.7 °C (on 17 January 1982).
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
ColumbiaTennessee
- coords
- 35.62°, -87.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
20.7°C
Average daily low
10.4°C
Annual rainfall
1,231mm
Sunshine / day
9.0h
Mean relative humidity
71%
Average peak wind
14.6km/h
Seasonal range
22.3°C
Frost days (< 0 °C)
58 d/yr
Hot days (≥ 30 °C)
72 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
16.1 cm
Average feels-like high
20.5 °C
Average feels-like low
9.0 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
72 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °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
41.6 °C
27 July 1952
Coldest day
-26.7 °C
17 January 1982
Wettest day
126 mm
22 December 1990
Windiest day
40.3 km/h
3 March 2023
Strongest gust
126.4 km/h
10 March 1952
Hottest feels-like
44.4 °C
29 June 2012
Coldest feels-like
-32.2 °C
17 January 1982
Snowiest day
19.2 cm
22 March 1968
Sunniest day
14.0 h
10 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 | 7.3 °C | -1.0 °C | 91 mm | -23 mm |
| Feb | 13.1 °C | +2.2 °C | 122 mm | +4 mm |
| Mar | 19.5 °C | +3.8 °C | 165 mm | +30 mm |
| Apr | 23.5 °C | +2.5 °C | 117 mm | -2 mm |
| May | 24.2 °C | -1.2 °C | 216 mm | +110 mm |
| Jun | 30.0 °C | +0.2 °C | 133 mm | +49 mm |
| Jul | 32.6 °C | +1.3 °C | 82 mm | -20 mm |
| Aug | 31.0 °C | +0.1 °C | 47 mm | -33 mm |
| Sep | 30.0 °C | +2.3 °C | 79 mm | -3 mm |
| Oct | 23.0 °C | +0.9 °C | 92 mm | +17 mm |
| Nov | 17.4 °C | +2.2 °C | 77 mm | -23 mm |
| Dec | 11.6 °C | +1.4 °C | 75 mm | -42 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 Columbia?
Columbia has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 1,231 mm of precipitation per year.
What is the hottest day ever recorded in Columbia?
The hottest day measured in Columbia between 1940 and 2025 was 27 July 1952, reaching 41.6 °C.
What is the coldest day in Columbia?
The coldest day measured in Columbia between 1940 and 2025 was 17 January 1982, at -26.7 °C.
Does it snow in Columbia?
Yes. Columbia gets on average 16.1 cm of snow per year and has around 58 frost days.
Has the climate of Columbia warmed?
Yes: Columbia warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Columbia?
The wettest day measured in Columbia between 1940 and 2025 was 22 December 1990, with 126 mm of rain in 24 hours.
What was the windiest day in Columbia?
The windiest day measured in Columbia between 1940 and 2025 was 3 March 2023, with winds reaching 40.3 km/h.
What is the warmest month in Columbia?
The warmest month in Columbia is July (25.9 °C on average); the coldest is January (3.6 °C).
How much does it rain in Columbia?
Columbia receives on average 1,231 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Columbia?
Columbia 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 Columbia?
The heaviest 24-hour snowfall measured in Columbia between 1940 and 2025 was 22 March 1968, with 19.2 cm.
Are there tropical nights in Columbia?
Yes: Columbia has on average 72 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Columbia?
In Columbia, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 29 June 2012, and the lowest was -32.2 °C on 17 January 1982.
Compare Columbia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Columbia