Hereford climate — normals and trends
Hereford (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.2 °C and it receives 424 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 (25.4 °C on average) and the coldest is January (2.7 °C). Rainfall peaks in May.
Hereford averages 80 frost days, 82 hot days (≥ 30 °C) and 68 rainy days per year.
Hereford has warmed by +1.7 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 86 to 74 per year over the period.
The hottest day of the period reached 42.3 °C (on 11 July 2020) and the coldest -26.8 °C (on 15 February 2021).
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
HerefordTexas
- coords
- 34.82°, -102.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.2°C
Average daily high
21.3°C
Average daily low
8.0°C
Annual rainfall
424mm
Sunshine / day
10.6h
Mean relative humidity
52%
Average peak wind
24.1km/h
Seasonal range
22.7°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
82 d/yr
Rainy days (≥ 1 mm)
68 d/yr
Annual snowfall
30.1 cm
Average feels-like high
18.3 °C
Average feels-like low
4.5 °C
Average peak gust
42.9 km/h
Tropical nights (≥ 20 °C)
24 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
42.3 °C
11 July 2020
Coldest day
-26.8 °C
15 February 2021
Wettest day
100 mm
12 August 1981
Windiest day
66.9 km/h
13 March 2019
Strongest gust
112.3 km/h
13 March 2019
Hottest feels-like
41.2 °C
10 July 2020
Coldest feels-like
-32.2 °C
15 February 2021
Snowiest day
37.7 cm
25 April 1997
Sunniest day
14.0 h
7 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 | 7.4 °C | -2.6 °C | 7 mm | -11 mm |
| Feb | 13.5 °C | +1.1 °C | 1 mm | -17 mm |
| Mar | 20.0 °C | +3.3 °C | 16 mm | -12 mm |
| Apr | 22.4 °C | +0.9 °C | 88 mm | +56 mm |
| May | 24.9 °C | -1.1 °C | 48 mm | -9 mm |
| Jun | 30.4 °C | -0.4 °C | 71 mm | +24 mm |
| Jul | 31.3 °C | -0.6 °C | 61 mm | +15 mm |
| Aug | 31.8 °C | +0.8 °C | 45 mm | -9 mm |
| Sep | 28.6 °C | +1.3 °C | 17 mm | -26 mm |
| Oct | 24.3 °C | +2.3 °C | 19 mm | -24 mm |
| Nov | 18.8 °C | +3.5 °C | 15 mm | -6 mm |
| Dec | 16.4 °C | +5.5 °C | 4 mm | -16 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 Hereford?
Hereford has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 424 mm of precipitation per year.
What is the hottest day ever recorded in Hereford?
The hottest day measured in Hereford between 1940 and 2025 was 11 July 2020, reaching 42.3 °C.
What is the coldest day in Hereford?
The coldest day measured in Hereford between 1940 and 2025 was 15 February 2021, at -26.8 °C.
Does it snow in Hereford?
Yes. Hereford gets on average 30.1 cm of snow per year and has around 80 frost days.
Has the climate of Hereford warmed?
Yes: Hereford warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hereford?
The wettest day measured in Hereford between 1940 and 2025 was 12 August 1981, with 100 mm of rain in 24 hours.
What was the windiest day in Hereford?
The windiest day measured in Hereford between 1940 and 2025 was 13 March 2019, with winds reaching 66.9 km/h.
What is the warmest month in Hereford?
The warmest month in Hereford is July (25.4 °C on average); the coldest is January (2.7 °C).
How much does it rain in Hereford?
Hereford receives on average 424 mm of precipitation per year, spread over about 68 rainy days.
Is it sunny in Hereford?
Hereford gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hereford?
The heaviest 24-hour snowfall measured in Hereford between 1940 and 2025 was 25 April 1997, with 37.7 cm.
Are there tropical nights in Hereford?
Yes: Hereford has on average 24 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hereford?
In Hereford, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 10 July 2020, and the lowest was -32.2 °C on 15 February 2021.
Compare Hereford with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hereford