Dinuba climate — normals and trends
Dinuba (United States) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 489 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 (28.3 °C on average) and the coldest is January (8.6 °C). Rainfall peaks in January.
Dinuba averages 5 frost days, 117 hot days (≥ 30 °C) and 50 rainy days per year.
Dinuba has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 9 to 1 per year over the period.
The hottest day of the period reached 46.9 °C (on 6 September 2022) and the coldest -8.2 °C (on 23 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
DinubaCalifornia
- coords
- 36.54°, -119.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.8°C
Average daily high
24.3°C
Average daily low
11.9°C
Annual rainfall
489mm
Sunshine / day
11.1h
Mean relative humidity
56%
Average peak wind
10.1km/h
Seasonal range
19.7°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
117 d/yr
Rainy days (≥ 1 mm)
50 d/yr
Annual snowfall
0.7 cm
Average feels-like high
23.8 °C
Average feels-like low
10.3 °C
Average peak gust
24.2 km/h
Tropical nights (≥ 20 °C)
48 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.61 · 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
46.9 °C
6 September 2022
Coldest day
-8.2 °C
23 December 1990
Wettest day
69 mm
2 January 2006
Windiest day
32.4 km/h
1 March 1983
Strongest gust
73.8 km/h
4 January 1995
Hottest feels-like
47.5 °C
13 July 1990
Coldest feels-like
-12.2 °C
23 December 1990
Snowiest day
3.4 cm
21 January 1962
Sunniest day
14.0 h
19 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 | 15.9 °C | +1.9 °C | 16 mm | -74 mm |
| Feb | 18.5 °C | +2.2 °C | 105 mm | +16 mm |
| Mar | 18.8 °C | +0.1 °C | 126 mm | +39 mm |
| Apr | 24.1 °C | +1.7 °C | 15 mm | -28 mm |
| May | 29.8 °C | +2.6 °C | 2 mm | -15 mm |
| Jun | 35.1 °C | +2.9 °C | 0 mm | -5 mm |
| Jul | 36.6 °C | +0.7 °C | 0 mm | -1 mm |
| Aug | 37.6 °C | +2.7 °C | 2 mm | +0 mm |
| Sep | 32.9 °C | +1.2 °C | 36 mm | +30 mm |
| Oct | 24.7 °C | -1.0 °C | 59 mm | +36 mm |
| Nov | 18.9 °C | +0.3 °C | 103 mm | +52 mm |
| Dec | 14.6 °C | +0.5 °C | 84 mm | +9 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 Dinuba?
Dinuba has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 489 mm of precipitation per year.
What is the hottest day ever recorded in Dinuba?
The hottest day measured in Dinuba between 1940 and 2025 was 6 September 2022, reaching 46.9 °C.
What is the coldest day in Dinuba?
The coldest day measured in Dinuba between 1940 and 2025 was 23 December 1990, at -8.2 °C.
Does it snow in Dinuba?
Almost never: Dinuba sees virtually no snow, with about 5 frost days per year.
Has the climate of Dinuba warmed?
Yes: Dinuba warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dinuba?
The wettest day measured in Dinuba between 1940 and 2025 was 2 January 2006, with 69 mm of rain in 24 hours.
What was the windiest day in Dinuba?
The windiest day measured in Dinuba between 1940 and 2025 was 1 March 1983, with winds reaching 32.4 km/h.
What is the warmest month in Dinuba?
The warmest month in Dinuba is July (28.3 °C on average); the coldest is January (8.6 °C).
How much does it rain in Dinuba?
Dinuba receives on average 489 mm of precipitation per year, spread over about 50 rainy days.
Is it sunny in Dinuba?
Dinuba gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dinuba?
The heaviest 24-hour snowfall measured in Dinuba between 1940 and 2025 was 21 January 1962, with 3.4 cm.
Are there tropical nights in Dinuba?
Yes: Dinuba has on average 48 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dinuba?
In Dinuba, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 13 July 1990, and the lowest was -12.2 °C on 23 December 1990.
Compare Dinuba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dinuba