Stafford climate — normals and trends
Stafford (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.7 °C and it receives 1,096 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 (28.1 °C on average) and the coldest is January (11.7 °C). Rainfall peaks in September.
Stafford averages 7 frost days, 122 hot days (≥ 30 °C) and 127 rainy days per year.
Stafford has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.0 °C (on 4 September 2000) and the coldest -15.4 °C (on 31 January 1949).
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
StaffordTexas
- coords
- 29.62°, -95.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.7°C
Average daily high
25.8°C
Average daily low
16.2°C
Annual rainfall
1,096mm
Sunshine / day
9.6h
Mean relative humidity
75%
Average peak wind
18.2km/h
Seasonal range
16.4°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
122 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
0.7 cm
Average feels-like high
27.1 °C
Average feels-like low
16.6 °C
Average peak gust
35.9 km/h
Tropical nights (≥ 20 °C)
154 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.42 · 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
42.0 °C
4 September 2000
Coldest day
-15.4 °C
31 January 1949
Wettest day
265 mm
11 September 1961
Windiest day
80.0 km/h
11 September 1961
Strongest gust
151.6 km/h
11 September 1961
Hottest feels-like
44.8 °C
20 August 2023
Coldest feels-like
-20.5 °C
31 January 1949
Snowiest day
12.0 cm
30 January 1949
Sunniest day
13.3 h
2 June 1948
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 | 14.4 °C | -2.5 °C | 128 mm | +36 mm |
| Feb | 20.3 °C | +1.6 °C | 68 mm | -9 mm |
| Mar | 25.5 °C | +3.4 °C | 65 mm | -16 mm |
| Apr | 27.6 °C | +1.9 °C | 67 mm | -25 mm |
| May | 30.4 °C | +1.3 °C | 177 mm | +74 mm |
| Jun | 32.0 °C | +0.1 °C | 192 mm | +94 mm |
| Jul | 33.4 °C | +0.5 °C | 86 mm | -4 mm |
| Aug | 32.7 °C | -0.4 °C | 194 mm | +102 mm |
| Sep | 31.1 °C | +0.3 °C | 95 mm | -13 mm |
| Oct | 29.7 °C | +2.4 °C | 54 mm | -28 mm |
| Nov | 25.7 °C | +3.7 °C | 81 mm | -11 mm |
| Dec | 20.7 °C | +2.2 °C | 55 mm | -34 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 Stafford?
Stafford has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.7 °C and it receives 1,096 mm of precipitation per year.
What is the hottest day ever recorded in Stafford?
The hottest day measured in Stafford between 1940 and 2025 was 4 September 2000, reaching 42.0 °C.
What is the coldest day in Stafford?
The coldest day measured in Stafford between 1940 and 2025 was 31 January 1949, at -15.4 °C.
Does it snow in Stafford?
Almost never: Stafford sees virtually no snow, with about 7 frost days per year.
Has the climate of Stafford warmed?
Yes: Stafford warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Stafford?
The wettest day measured in Stafford between 1940 and 2025 was 11 September 1961, with 265 mm of rain in 24 hours.
What was the windiest day in Stafford?
The windiest day measured in Stafford between 1940 and 2025 was 11 September 1961, with winds reaching 80.0 km/h.
What is the warmest month in Stafford?
The warmest month in Stafford is July (28.1 °C on average); the coldest is January (11.7 °C).
How much does it rain in Stafford?
Stafford receives on average 1,096 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Stafford?
Stafford gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Stafford?
The heaviest 24-hour snowfall measured in Stafford between 1940 and 2025 was 30 January 1949, with 12.0 cm.
Are there tropical nights in Stafford?
Yes: Stafford has on average 154 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Stafford?
In Stafford, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 20 August 2023, and the lowest was -20.5 °C on 31 January 1949.
Compare Stafford with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Stafford