Carrollton climate — normals and trends
Carrollton (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 1,158 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 (25.6 °C on average) and the coldest is January (6.0 °C). Rainfall peaks in March.
Carrollton averages 40 frost days, 67 hot days (≥ 30 °C) and 127 rainy days per year.
Carrollton 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 39.5 °C (on 30 June 2012) and the coldest -20.8 °C (on 30 January 1966).
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
CarrolltonGeorgia
- coords
- 33.58°, -85.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
21.9°C
Average daily low
11.5°C
Annual rainfall
1,158mm
Sunshine / day
9.1h
Mean relative humidity
71%
Average peak wind
14.3km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
40 d/yr
Hot days (≥ 30 °C)
67 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
4.6 cm
Average feels-like high
22.0 °C
Average feels-like low
10.4 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
79 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 = 0.26 · 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
39.5 °C
30 June 2012
Coldest day
-20.8 °C
30 January 1966
Wettest day
116 mm
5 July 1994
Windiest day
56.3 km/h
5 October 1995
Strongest gust
138.6 km/h
5 October 1995
Hottest feels-like
44.1 °C
1 July 2012
Coldest feels-like
-27.6 °C
30 January 1966
Snowiest day
21.3 cm
23 January 1940
Sunniest day
13.9 h
21 June 2003
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 | 9.5 °C | -1.8 °C | 67 mm | -43 mm |
| Feb | 16.7 °C | +3.0 °C | 119 mm | +9 mm |
| Mar | 20.8 °C | +3.0 °C | 80 mm | -44 mm |
| Apr | 24.6 °C | +2.3 °C | 78 mm | -19 mm |
| May | 25.8 °C | -0.5 °C | 225 mm | +142 mm |
| Jun | 29.7 °C | -0.1 °C | 168 mm | +80 mm |
| Jul | 31.6 °C | +0.9 °C | 100 mm | -15 mm |
| Aug | 28.0 °C | -2.4 °C | 155 mm | +67 mm |
| Sep | 28.5 °C | +0.8 °C | 19 mm | -65 mm |
| Oct | 22.9 °C | +0.1 °C | 59 mm | -7 mm |
| Nov | 19.2 °C | +2.1 °C | 26 mm | -64 mm |
| Dec | 14.1 °C | +1.4 °C | 43 mm | -59 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 Carrollton?
Carrollton has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 1,158 mm of precipitation per year.
What is the hottest day ever recorded in Carrollton?
The hottest day measured in Carrollton between 1940 and 2025 was 30 June 2012, reaching 39.5 °C.
What is the coldest day in Carrollton?
The coldest day measured in Carrollton between 1940 and 2025 was 30 January 1966, at -20.8 °C.
Does it snow in Carrollton?
Yes. Carrollton gets on average 4.6 cm of snow per year and has around 40 frost days.
Has the climate of Carrollton warmed?
Yes: Carrollton warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Carrollton?
The wettest day measured in Carrollton between 1940 and 2025 was 5 July 1994, with 116 mm of rain in 24 hours.
What was the windiest day in Carrollton?
The windiest day measured in Carrollton between 1940 and 2025 was 5 October 1995, with winds reaching 56.3 km/h.
What is the warmest month in Carrollton?
The warmest month in Carrollton is July (25.6 °C on average); the coldest is January (6.0 °C).
How much does it rain in Carrollton?
Carrollton receives on average 1,158 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Carrollton?
Carrollton 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 Carrollton?
The heaviest 24-hour snowfall measured in Carrollton between 1940 and 2025 was 23 January 1940, with 21.3 cm.
Are there tropical nights in Carrollton?
Yes: Carrollton has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Carrollton?
In Carrollton, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 1 July 2012, and the lowest was -27.6 °C on 30 January 1966.
Compare Carrollton with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Carrollton