Terrell climate — normals and trends
Terrell (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.5 °C and it receives 1,012 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 August (28.9 °C on average) and the coldest is January (7.2 °C). Rainfall peaks in May.
Terrell averages 25 frost days, 111 hot days (≥ 30 °C) and 96 rainy days per year.
Terrell has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 28 to 22 per year over the period.
The hottest day of the period reached 42.9 °C (on 25 August 2023) and the coldest -18.7 °C (on 23 December 1989).
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
TerrellTexas
- coords
- 32.74°, -96.28°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.5°C
Average daily high
23.9°C
Average daily low
13.7°C
Annual rainfall
1,012mm
Sunshine / day
9.4h
Mean relative humidity
68%
Average peak wind
19.3km/h
Seasonal range
21.7°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
111 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
4.6 cm
Average feels-like high
23.9 °C
Average feels-like low
12.6 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
118 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
42.9 °C
25 August 2023
Coldest day
-18.7 °C
23 December 1989
Wettest day
145 mm
27 December 2015
Windiest day
48.8 km/h
12 September 1961
Strongest gust
114.8 km/h
5 November 1994
Hottest feels-like
45.9 °C
22 July 2018
Coldest feels-like
-24.4 °C
23 December 1989
Snowiest day
10.6 cm
16 December 1983
Sunniest day
13.6 h
11 June 2020
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 | 11.4 °C | -1.3 °C | 115 mm | +47 mm |
| Feb | 15.6 °C | +0.6 °C | 83 mm | +2 mm |
| Mar | 23.5 °C | +4.3 °C | 90 mm | -12 mm |
| Apr | 25.4 °C | +1.8 °C | 188 mm | +62 mm |
| May | 27.9 °C | +0.5 °C | 140 mm | +1 mm |
| Jun | 31.6 °C | +0.2 °C | 148 mm | +68 mm |
| Jul | 34.3 °C | +0.5 °C | 65 mm | +19 mm |
| Aug | 34.6 °C | +0.3 °C | 60 mm | +13 mm |
| Sep | 32.6 °C | +1.9 °C | 25 mm | -46 mm |
| Oct | 28.8 °C | +3.3 °C | 75 mm | -16 mm |
| Nov | 22.8 °C | +4.0 °C | 92 mm | +4 mm |
| Dec | 17.3 °C | +3.0 °C | 14 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 Terrell?
Terrell has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,012 mm of precipitation per year.
What is the hottest day ever recorded in Terrell?
The hottest day measured in Terrell between 1940 and 2025 was 25 August 2023, reaching 42.9 °C.
What is the coldest day in Terrell?
The coldest day measured in Terrell between 1940 and 2025 was 23 December 1989, at -18.7 °C.
Does it snow in Terrell?
Yes. Terrell gets on average 4.6 cm of snow per year and has around 25 frost days.
Has the climate of Terrell warmed?
Yes: Terrell warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Terrell?
The wettest day measured in Terrell between 1940 and 2025 was 27 December 2015, with 145 mm of rain in 24 hours.
What was the windiest day in Terrell?
The windiest day measured in Terrell between 1940 and 2025 was 12 September 1961, with winds reaching 48.8 km/h.
What is the warmest month in Terrell?
The warmest month in Terrell is August (28.9 °C on average); the coldest is January (7.2 °C).
How much does it rain in Terrell?
Terrell receives on average 1,012 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Terrell?
Terrell gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Terrell?
The heaviest 24-hour snowfall measured in Terrell between 1940 and 2025 was 16 December 1983, with 10.6 cm.
Are there tropical nights in Terrell?
Yes: Terrell has on average 118 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Terrell?
In Terrell, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 22 July 2018, and the lowest was -24.4 °C on 23 December 1989.
Compare Terrell with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Terrell