Juan Aldama climate — normals and trends
Juan Aldama (Mexico) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 18.5 °C and it receives 311 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 June (26.9 °C on average) and the coldest is January (9.4 °C). Rainfall peaks in August.
Juan Aldama averages 19 frost days, 111 hot days (≥ 30 °C) and 51 rainy days per year.
Juan Aldama has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.5 °C (on 17 June 2024) and the coldest -14.5 °C (on 30 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
Juan AldamaChihuahua
- coords
- 28.84°, -105.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.5°C
Average daily high
25.7°C
Average daily low
11.5°C
Annual rainfall
311mm
Sunshine / day
11.2h
Mean relative humidity
41%
Average peak wind
15.2km/h
Seasonal range
17.5°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
111 d/yr
Rainy days (≥ 1 mm)
51 d/yr
Annual snowfall
3.1 cm
Average feels-like high
23.8 °C
Average feels-like low
9.3 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
46 d/yr
Solar radiation
21.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.39 · 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
41.5 °C
17 June 2024
Coldest day
-14.5 °C
30 January 1949
Wettest day
81 mm
14 September 1995
Windiest day
54.7 km/h
18 March 1948
Strongest gust
111.6 km/h
18 March 1948
Hottest feels-like
41.6 °C
17 June 2024
Coldest feels-like
-19.2 °C
11 January 1962
Snowiest day
8.8 cm
25 December 1974
Sunniest day
13.8 h
20 June 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 | 17.3 °C | 0.0 °C | 9 mm | -4 mm |
| Feb | 26.1 °C | +6.0 °C | 0 mm | -8 mm |
| Mar | 26.3 °C | +2.7 °C | 2 mm | -4 mm |
| Apr | 29.7 °C | +2.1 °C | 2 mm | -7 mm |
| May | 32.7 °C | +1.5 °C | 8 mm | -7 mm |
| Jun | 34.7 °C | +1.2 °C | 90 mm | +65 mm |
| Jul | 32.1 °C | +0.7 °C | 46 mm | -15 mm |
| Aug | 32.9 °C | +2.6 °C | 19 mm | -47 mm |
| Sep | 30.0 °C | +1.7 °C | 55 mm | -7 mm |
| Oct | 29.7 °C | +3.9 °C | 11 mm | -15 mm |
| Nov | 25.4 °C | +4.1 °C | 1 mm | -10 mm |
| Dec | 23.0 °C | +5.0 °C | 0 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 Juan Aldama?
Juan Aldama has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 311 mm of precipitation per year.
What is the hottest day ever recorded in Juan Aldama?
The hottest day measured in Juan Aldama between 1940 and 2025 was 17 June 2024, reaching 41.5 °C.
What is the coldest day in Juan Aldama?
The coldest day measured in Juan Aldama between 1940 and 2025 was 30 January 1949, at -14.5 °C.
Does it snow in Juan Aldama?
Yes. Juan Aldama gets on average 3.1 cm of snow per year and has around 19 frost days.
Has the climate of Juan Aldama warmed?
Yes: Juan Aldama warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Juan Aldama?
The wettest day measured in Juan Aldama between 1940 and 2025 was 14 September 1995, with 81 mm of rain in 24 hours.
What was the windiest day in Juan Aldama?
The windiest day measured in Juan Aldama between 1940 and 2025 was 18 March 1948, with winds reaching 54.7 km/h.
What is the warmest month in Juan Aldama?
The warmest month in Juan Aldama is June (26.9 °C on average); the coldest is January (9.4 °C).
How much does it rain in Juan Aldama?
Juan Aldama receives on average 311 mm of precipitation per year, spread over about 51 rainy days.
Is it sunny in Juan Aldama?
Juan Aldama 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 Juan Aldama?
The heaviest 24-hour snowfall measured in Juan Aldama between 1940 and 2025 was 25 December 1974, with 8.8 cm.
Are there tropical nights in Juan Aldama?
Yes: Juan Aldama has on average 46 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Juan Aldama?
In Juan Aldama, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 17 June 2024, and the lowest was -19.2 °C on 11 January 1962.
Compare Juan Aldama with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Juan Aldama