Puerto Peñasco climate — normals and trends
Puerto Peñasco (Mexico) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 22.6 °C and it receives 83 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 (30.7 °C on average) and the coldest is January (15.1 °C). Rainfall peaks in December.
Puerto Peñasco averages 0 frost days, 91 hot days (≥ 30 °C) and 13 rainy days per year.
Puerto Peñasco has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.4 °C (on 28 August 1998) and the coldest 2.4 °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
Puerto PeñascoSonora
- coords
- 31.32°, -113.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.6°C
Average daily high
24.6°C
Average daily low
20.5°C
Annual rainfall
83mm
Sunshine / day
11.5h
Mean relative humidity
61%
Average peak wind
23.4km/h
Seasonal range
15.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
91 d/yr
Rainy days (≥ 1 mm)
13 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.0 °C
Average feels-like low
19.8 °C
Average peak gust
33.4 km/h
Tropical nights (≥ 20 °C)
183 d/yr
Solar radiation
21.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.52 · 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
37.4 °C
28 August 1998
Coldest day
2.4 °C
4 January 1949
Wettest day
68 mm
5 October 1972
Windiest day
69.8 km/h
20 August 2023
Strongest gust
112.0 km/h
25 September 1997
Hottest feels-like
43.1 °C
28 August 2023
Coldest feels-like
-5.7 °C
13 January 1963
Sunniest day
13.7 h
27 June 1942
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 | 18.1 °C | +0.3 °C | 0 mm | -9 mm |
| Feb | 19.9 °C | +1.4 °C | 0 mm | -8 mm |
| Mar | 20.6 °C | +0.6 °C | 3 mm | -5 mm |
| Apr | 22.6 °C | +0.3 °C | 0 mm | -3 mm |
| May | 25.1 °C | +0.2 °C | 0 mm | -0 mm |
| Jun | 28.6 °C | +0.6 °C | 7 mm | +6 mm |
| Jul | 31.3 °C | +0.2 °C | 0 mm | -2 mm |
| Aug | 32.9 °C | +0.9 °C | 7 mm | +0 mm |
| Sep | 31.6 °C | +0.4 °C | 6 mm | -4 mm |
| Oct | 29.0 °C | +1.2 °C | 5 mm | -6 mm |
| Nov | 24.7 °C | +1.7 °C | 19 mm | +11 mm |
| Dec | 22.3 °C | +3.3 °C | 1 mm | -15 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 Puerto Peñasco?
Puerto Peñasco has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 22.6 °C and it receives 83 mm of precipitation per year.
What is the hottest day ever recorded in Puerto Peñasco?
The hottest day measured in Puerto Peñasco between 1940 and 2025 was 28 August 1998, reaching 37.4 °C.
What is the coldest day in Puerto Peñasco?
The coldest day measured in Puerto Peñasco between 1940 and 2025 was 4 January 1949, at 2.4 °C.
Does it snow in Puerto Peñasco?
Almost never: Puerto Peñasco sees virtually no snow, with about 0 frost days per year.
Has the climate of Puerto Peñasco warmed?
Yes: Puerto Peñasco warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Puerto Peñasco?
The wettest day measured in Puerto Peñasco between 1940 and 2025 was 5 October 1972, with 68 mm of rain in 24 hours.
What was the windiest day in Puerto Peñasco?
The windiest day measured in Puerto Peñasco between 1940 and 2025 was 20 August 2023, with winds reaching 69.8 km/h.
What is the warmest month in Puerto Peñasco?
The warmest month in Puerto Peñasco is August (30.7 °C on average); the coldest is January (15.1 °C).
How much does it rain in Puerto Peñasco?
Puerto Peñasco receives on average 83 mm of precipitation per year, spread over about 13 rainy days.
Is it sunny in Puerto Peñasco?
Puerto Peñasco gets on average 11.5 hours of sunshine per day, roughly 4,198 hours per year over 1940-2025.
Are there tropical nights in Puerto Peñasco?
Yes: Puerto Peñasco has on average 183 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Puerto Peñasco?
In Puerto Peñasco, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 28 August 2023, and the lowest was -5.7 °C on 13 January 1963.
Compare Puerto Peñasco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Puerto Peñasco