Arvin climate — normals and trends
Arvin (United States) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 313 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 (24.4 °C on average) and the coldest is January (7.2 °C). Rainfall peaks in March.
Arvin averages 20 frost days, 52 hot days (≥ 30 °C) and 50 rainy days per year.
Arvin has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 33 to 7 per year over the period.
The hottest day of the period reached 39.3 °C (on 6 September 2022) and the coldest -15.7 °C (on 22 December 1990).
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
ArvinCalifornia
- coords
- 35.21°, -118.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
20.9°C
Average daily low
9.5°C
Annual rainfall
313mm
Sunshine / day
11.3h
Mean relative humidity
59%
Average peak wind
9.6km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
20 d/yr
Hot days (≥ 30 °C)
52 d/yr
Rainy days (≥ 1 mm)
50 d/yr
Annual snowfall
15.3 cm
Average feels-like high
20.4 °C
Average feels-like low
7.5 °C
Average peak gust
30.4 km/h
Tropical nights (≥ 20 °C)
22 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
39.3 °C
6 September 2022
Coldest day
-15.7 °C
22 December 1990
Wettest day
87 mm
20 August 2023
Windiest day
34.9 km/h
20 December 1977
Strongest gust
98.6 km/h
20 December 1977
Hottest feels-like
42.3 °C
25 July 1980
Coldest feels-like
-19.8 °C
22 December 1990
Snowiest day
9.5 cm
13 February 2001
Sunniest day
14.0 h
27 May 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 | 13.7 °C | +0.7 °C | 16 mm | -34 mm |
| Feb | 16.2 °C | +1.9 °C | 34 mm | -18 mm |
| Mar | 15.8 °C | 0.0 °C | 101 mm | +43 mm |
| Apr | 18.7 °C | -0.1 °C | 35 mm | +4 mm |
| May | 23.6 °C | +0.9 °C | 5 mm | -6 mm |
| Jun | 28.2 °C | +1.2 °C | 0 mm | -4 mm |
| Jul | 30.0 °C | -0.4 °C | 0 mm | -2 mm |
| Aug | 30.4 °C | +0.7 °C | 2 mm | -3 mm |
| Sep | 27.2 °C | 0.0 °C | 22 mm | +15 mm |
| Oct | 21.6 °C | -0.6 °C | 32 mm | +19 mm |
| Nov | 18.2 °C | +1.5 °C | 90 mm | +57 mm |
| Dec | 15.6 °C | +2.4 °C | 64 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 Arvin?
Arvin has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 313 mm of precipitation per year.
What is the hottest day ever recorded in Arvin?
The hottest day measured in Arvin between 1940 and 2025 was 6 September 2022, reaching 39.3 °C.
What is the coldest day in Arvin?
The coldest day measured in Arvin between 1940 and 2025 was 22 December 1990, at -15.7 °C.
Does it snow in Arvin?
Yes. Arvin gets on average 15.3 cm of snow per year and has around 20 frost days.
Has the climate of Arvin warmed?
Yes: Arvin warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arvin?
The wettest day measured in Arvin between 1940 and 2025 was 20 August 2023, with 87 mm of rain in 24 hours.
What was the windiest day in Arvin?
The windiest day measured in Arvin between 1940 and 2025 was 20 December 1977, with winds reaching 34.9 km/h.
What is the warmest month in Arvin?
The warmest month in Arvin is July (24.4 °C on average); the coldest is January (7.2 °C).
How much does it rain in Arvin?
Arvin receives on average 313 mm of precipitation per year, spread over about 50 rainy days.
Is it sunny in Arvin?
Arvin gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
What is the biggest single-day snowfall in Arvin?
The heaviest 24-hour snowfall measured in Arvin between 1940 and 2025 was 13 February 2001, with 9.5 cm.
Are there tropical nights in Arvin?
Yes: Arvin has on average 22 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arvin?
In Arvin, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 25 July 1980, and the lowest was -19.8 °C on 22 December 1990.
Compare Arvin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arvin