Coronado climate — normals and trends
Coronado (United States) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 261 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 August (20.5 °C on average) and the coldest is January (13.3 °C). Rainfall peaks in February.
Coronado averages 0 frost days, 1 hot days (≥ 30 °C) and 35 rainy days per year.
Coronado has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.5 °C (on 26 September 1963) and the coldest 2.6 °C (on 4 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
CoronadoCalifornia
- coords
- 32.69°, -117.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
19.3°C
Average daily low
14.4°C
Annual rainfall
261mm
Sunshine / day
11.3h
Mean relative humidity
76%
Average peak wind
18.0km/h
Seasonal range
7.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
35 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.2 °C
Average feels-like low
13.6 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
36.5 °C
26 September 1963
Coldest day
2.6 °C
4 January 1949
Wettest day
73 mm
10 September 1976
Windiest day
57.0 km/h
20 December 1977
Strongest gust
93.6 km/h
4 January 1995
Hottest feels-like
36.0 °C
26 September 1963
Coldest feels-like
-2.2 °C
4 January 1949
Sunniest day
13.9 h
12 July 2025
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 | +0.3 °C | 10 mm | -40 mm |
| Feb | 17.2 °C | +0.8 °C | 25 mm | -28 mm |
| Mar | 15.9 °C | -0.7 °C | 74 mm | +28 mm |
| Apr | 17.1 °C | -0.6 °C | 11 mm | -9 mm |
| May | 18.9 °C | +0.3 °C | 6 mm | -0 mm |
| Jun | 20.3 °C | +0.2 °C | 1 mm | -0 mm |
| Jul | 21.3 °C | -1.1 °C | 1 mm | -0 mm |
| Aug | 23.3 °C | +0.1 °C | 13 mm | +12 mm |
| Sep | 23.3 °C | +0.2 °C | 12 mm | +7 mm |
| Oct | 21.3 °C | -0.2 °C | 9 mm | -2 mm |
| Nov | 19.5 °C | +0.3 °C | 96 mm | +70 mm |
| Dec | 18.7 °C | +1.8 °C | 33 mm | -7 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 Coronado?
Coronado has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 261 mm of precipitation per year.
What is the hottest day ever recorded in Coronado?
The hottest day measured in Coronado between 1940 and 2025 was 26 September 1963, reaching 36.5 °C.
What is the coldest day in Coronado?
The coldest day measured in Coronado between 1940 and 2025 was 4 January 1949, at 2.6 °C.
Does it snow in Coronado?
Almost never: Coronado sees virtually no snow, with about 0 frost days per year.
Has the climate of Coronado warmed?
Yes: Coronado warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Coronado?
The wettest day measured in Coronado between 1940 and 2025 was 10 September 1976, with 73 mm of rain in 24 hours.
What was the windiest day in Coronado?
The windiest day measured in Coronado between 1940 and 2025 was 20 December 1977, with winds reaching 57.0 km/h.
What is the warmest month in Coronado?
The warmest month in Coronado is August (20.5 °C on average); the coldest is January (13.3 °C).
How much does it rain in Coronado?
Coronado receives on average 261 mm of precipitation per year, spread over about 35 rainy days.
Is it sunny in Coronado?
Coronado gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Coronado?
Yes: Coronado has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Coronado?
In Coronado, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 26 September 1963, and the lowest was -2.2 °C on 4 January 1949.
Compare Coronado with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Coronado