Hemet climate — normals and trends
Hemet (United States) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 383 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 (24.5 °C on average) and the coldest is January (8.9 °C). Rainfall peaks in February.
Hemet averages 10 frost days, 77 hot days (≥ 30 °C) and 45 rainy days per year.
Hemet has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 19 to 1 per year over the period.
The hottest day of the period reached 44.1 °C (on 6 September 2020) and the coldest -11.4 °C (on 12 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
HemetCalifornia
- coords
- 33.75°, -116.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
22.6°C
Average daily low
10.4°C
Annual rainfall
383mm
Sunshine / day
11.2h
Mean relative humidity
56%
Average peak wind
11.9km/h
Seasonal range
15.6°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
77 d/yr
Rainy days (≥ 1 mm)
45 d/yr
Annual snowfall
10.2 cm
Average feels-like high
21.4 °C
Average feels-like low
8.8 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
29 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.57 · 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
44.1 °C
6 September 2020
Coldest day
-11.4 °C
12 January 1949
Wettest day
83 mm
23 January 1943
Windiest day
34.3 km/h
30 November 1982
Strongest gust
101.9 km/h
30 November 1982
Hottest feels-like
43.0 °C
6 July 2018
Coldest feels-like
-16.1 °C
12 January 1949
Snowiest day
14.5 cm
29 January 1957
Sunniest day
14.0 h
20 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 | 16.6 °C | +1.4 °C | 18 mm | -53 mm |
| Feb | 19.2 °C | +3.4 °C | 72 mm | -4 mm |
| Mar | 16.8 °C | -0.3 °C | 93 mm | +29 mm |
| Apr | 20.6 °C | +0.6 °C | 22 mm | -10 mm |
| May | 25.1 °C | +1.9 °C | 13 mm | +2 mm |
| Jun | 29.6 °C | +1.7 °C | 7 mm | +5 mm |
| Jul | 31.2 °C | -0.4 °C | 0 mm | -3 mm |
| Aug | 33.4 °C | +1.8 °C | 4 mm | -2 mm |
| Sep | 28.8 °C | -0.7 °C | 22 mm | +14 mm |
| Oct | 25.6 °C | +1.0 °C | 24 mm | +8 mm |
| Nov | 21.4 °C | +2.0 °C | 102 mm | +66 mm |
| Dec | 20.3 °C | +4.6 °C | 60 mm | +3 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 Hemet?
Hemet has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 383 mm of precipitation per year.
What is the hottest day ever recorded in Hemet?
The hottest day measured in Hemet between 1940 and 2025 was 6 September 2020, reaching 44.1 °C.
What is the coldest day in Hemet?
The coldest day measured in Hemet between 1940 and 2025 was 12 January 1949, at -11.4 °C.
Does it snow in Hemet?
Yes. Hemet gets on average 10.2 cm of snow per year and has around 10 frost days.
Has the climate of Hemet warmed?
Yes: Hemet warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hemet?
The wettest day measured in Hemet between 1940 and 2025 was 23 January 1943, with 83 mm of rain in 24 hours.
What was the windiest day in Hemet?
The windiest day measured in Hemet between 1940 and 2025 was 30 November 1982, with winds reaching 34.3 km/h.
What is the warmest month in Hemet?
The warmest month in Hemet is July (24.5 °C on average); the coldest is January (8.9 °C).
How much does it rain in Hemet?
Hemet receives on average 383 mm of precipitation per year, spread over about 45 rainy days.
Is it sunny in Hemet?
Hemet gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hemet?
The heaviest 24-hour snowfall measured in Hemet between 1940 and 2025 was 29 January 1957, with 14.5 cm.
Are there tropical nights in Hemet?
Yes: Hemet has on average 29 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hemet?
In Hemet, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 6 July 2018, and the lowest was -16.1 °C on 12 January 1949.
Compare Hemet with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hemet