Juventino Rosas climate — normals and trends
Juventino Rosas (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 18.4 °C and it receives 619 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 May (22.1 °C on average) and the coldest is January (14.4 °C). Rainfall peaks in July.
Juventino Rosas averages 0 frost days, 45 hot days (≥ 30 °C) and 84 rainy days per year.
Juventino Rosas has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.0 °C (on 24 May 2024) and the coldest -4.3 °C (on 25 February 1976).
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
Juventino RosasGuanajuato
- coords
- 20.64°, -101.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.4°C
Average daily high
25.8°C
Average daily low
12.0°C
Annual rainfall
619mm
Sunshine / day
11.0h
Mean relative humidity
56%
Average peak wind
16.1km/h
Seasonal range
7.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
45 d/yr
Rainy days (≥ 1 mm)
84 d/yr
Annual snowfall
0.2 cm
Average feels-like high
24.6 °C
Average feels-like low
10.6 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
22.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.77 · 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
38.0 °C
24 May 2024
Coldest day
-4.3 °C
25 February 1976
Wettest day
68 mm
14 July 1983
Windiest day
44.1 km/h
4 March 1983
Strongest gust
85.7 km/h
4 March 1983
Hottest feels-like
37.7 °C
25 May 2024
Coldest feels-like
-8.9 °C
25 February 1976
Snowiest day
7.3 cm
11 January 1967
Sunniest day
13.0 h
4 July 1943
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 | 24.9 °C | +2.6 °C | 8 mm | -6 mm |
| Feb | 27.9 °C | +3.6 °C | 6 mm | -5 mm |
| Mar | 30.3 °C | +3.1 °C | 1 mm | -9 mm |
| Apr | 31.4 °C | +2.2 °C | 0 mm | -17 mm |
| May | 32.3 °C | +2.4 °C | 103 mm | +57 mm |
| Jun | 26.1 °C | -1.7 °C | 306 mm | +188 mm |
| Jul | 25.6 °C | -0.3 °C | 190 mm | +63 mm |
| Aug | 26.9 °C | +0.9 °C | 161 mm | +44 mm |
| Sep | 26.5 °C | +1.4 °C | 162 mm | +64 mm |
| Oct | 26.9 °C | +1.9 °C | 44 mm | +4 mm |
| Nov | 27.0 °C | +2.8 °C | 0 mm | -12 mm |
| Dec | 24.6 °C | +2.0 °C | 11 mm | +4 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 Juventino Rosas?
Juventino Rosas has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.4 °C and it receives 619 mm of precipitation per year.
What is the hottest day ever recorded in Juventino Rosas?
The hottest day measured in Juventino Rosas between 1940 and 2025 was 24 May 2024, reaching 38.0 °C.
What is the coldest day in Juventino Rosas?
The coldest day measured in Juventino Rosas between 1940 and 2025 was 25 February 1976, at -4.3 °C.
Does it snow in Juventino Rosas?
Almost never: Juventino Rosas sees virtually no snow, with about 0 frost days per year.
Has the climate of Juventino Rosas warmed?
Yes: Juventino Rosas warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Juventino Rosas?
The wettest day measured in Juventino Rosas between 1940 and 2025 was 14 July 1983, with 68 mm of rain in 24 hours.
What was the windiest day in Juventino Rosas?
The windiest day measured in Juventino Rosas between 1940 and 2025 was 4 March 1983, with winds reaching 44.1 km/h.
What is the warmest month in Juventino Rosas?
The warmest month in Juventino Rosas is May (22.1 °C on average); the coldest is January (14.4 °C).
How much does it rain in Juventino Rosas?
Juventino Rosas receives on average 619 mm of precipitation per year, spread over about 84 rainy days.
Is it sunny in Juventino Rosas?
Juventino Rosas gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Juventino Rosas?
The heaviest 24-hour snowfall measured in Juventino Rosas between 1940 and 2025 was 11 January 1967, with 7.3 cm.
Are there tropical nights in Juventino Rosas?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Juventino Rosas.
What was the most extreme apparent temperature in Juventino Rosas?
In Juventino Rosas, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 25 May 2024, and the lowest was -8.9 °C on 25 February 1976.
Compare Juventino Rosas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Juventino Rosas