Anderson climate — normals and trends
Anderson (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 1,234 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 (5.8 °C). Rainfall peaks in March.
Anderson averages 39 frost days, 68 hot days (≥ 30 °C) and 124 rainy days per year.
Anderson has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.2 °C (on 30 June 2012) and the coldest -21.0 °C (on 21 January 1985).
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
AndersonSouth Carolina
- coords
- 34.50°, -82.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
21.6°C
Average daily low
11.5°C
Annual rainfall
1,234mm
Sunshine / day
9.2h
Mean relative humidity
72%
Average peak wind
13.5km/h
Seasonal range
20.3°C
Frost days (< 0 °C)
39 d/yr
Hot days (≥ 30 °C)
68 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
8.4 cm
Average feels-like high
21.8 °C
Average feels-like low
10.6 °C
Average peak gust
31.7 km/h
Tropical nights (≥ 20 °C)
85 d/yr
Solar radiation
16.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
41.2 °C
30 June 2012
Coldest day
-21.0 °C
21 January 1985
Wettest day
137 mm
26 September 2024
Windiest day
49.2 km/h
27 September 2024
Strongest gust
117.0 km/h
29 October 2020
Hottest feels-like
44.4 °C
30 June 2012
Coldest feels-like
-26.9 °C
21 January 1985
Snowiest day
25.8 cm
3 December 1971
Sunniest day
14.2 h
19 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 | 9.3 °C | -1.6 °C | 57 mm | -59 mm |
| Feb | 15.9 °C | +2.8 °C | 96 mm | -14 mm |
| Mar | 20.0 °C | +2.8 °C | 73 mm | -58 mm |
| Apr | 23.9 °C | +1.8 °C | 119 mm | +16 mm |
| May | 24.5 °C | -1.7 °C | 237 mm | +143 mm |
| Jun | 30.3 °C | +0.6 °C | 132 mm | +41 mm |
| Jul | 32.6 °C | +1.5 °C | 68 mm | -39 mm |
| Aug | 27.9 °C | -2.5 °C | 227 mm | +122 mm |
| Sep | 27.5 °C | +0.1 °C | 23 mm | -71 mm |
| Oct | 21.9 °C | -0.5 °C | 71 mm | -11 mm |
| Nov | 18.7 °C | +2.0 °C | 20 mm | -72 mm |
| Dec | 13.3 °C | +1.2 °C | 39 mm | -69 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 Anderson?
Anderson has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 1,234 mm of precipitation per year.
What is the hottest day ever recorded in Anderson?
The hottest day measured in Anderson between 1940 and 2025 was 30 June 2012, reaching 41.2 °C.
What is the coldest day in Anderson?
The coldest day measured in Anderson between 1940 and 2025 was 21 January 1985, at -21.0 °C.
Does it snow in Anderson?
Yes. Anderson gets on average 8.4 cm of snow per year and has around 39 frost days.
Has the climate of Anderson warmed?
Yes: Anderson warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Anderson?
The wettest day measured in Anderson between 1940 and 2025 was 26 September 2024, with 137 mm of rain in 24 hours.
What was the windiest day in Anderson?
The windiest day measured in Anderson between 1940 and 2025 was 27 September 2024, with winds reaching 49.2 km/h.
What is the warmest month in Anderson?
The warmest month in Anderson is July (26.1 °C on average); the coldest is January (5.8 °C).
How much does it rain in Anderson?
Anderson receives on average 1,234 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Anderson?
Anderson gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Anderson?
The heaviest 24-hour snowfall measured in Anderson between 1940 and 2025 was 3 December 1971, with 25.8 cm.
Are there tropical nights in Anderson?
Yes: Anderson has on average 85 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Anderson?
In Anderson, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 30 June 2012, and the lowest was -26.9 °C on 21 January 1985.
Compare Anderson with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Anderson