Irapuato climate — normals and trends
Irapuato (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 19.1 °C and it receives 589 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 (22.9 °C on average) and the coldest is January (15.1 °C). Rainfall peaks in July.
Irapuato averages 0 frost days, 65 hot days (≥ 30 °C) and 80 rainy days per year.
Irapuato has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.8 °C (on 24 May 2024) and the coldest -2.9 °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
IrapuatoGuanajuato
- coords
- 20.67°, -101.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.1°C
Average daily high
26.6°C
Average daily low
12.6°C
Annual rainfall
589mm
Sunshine / day
11.1h
Mean relative humidity
53%
Average peak wind
15.4km/h
Seasonal range
7.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
65 d/yr
Rainy days (≥ 1 mm)
80 d/yr
Annual snowfall
0.1 cm
Average feels-like high
25.7 °C
Average feels-like low
11.3 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
22.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °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
38.8 °C
24 May 2024
Coldest day
-2.9 °C
25 February 1976
Wettest day
59 mm
3 February 2010
Windiest day
41.5 km/h
4 March 1983
Strongest gust
82.4 km/h
4 March 1983
Hottest feels-like
38.8 °C
10 May 2024
Coldest feels-like
-7.3 °C
25 February 1976
Snowiest day
3.4 cm
11 January 1967
Sunniest day
13.0 h
29 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 | 25.4 °C | +2.3 °C | 7 mm | -5 mm |
| Feb | 28.5 °C | +3.4 °C | 3 mm | -5 mm |
| Mar | 30.8 °C | +2.9 °C | 0 mm | -7 mm |
| Apr | 32.0 °C | +2.0 °C | 0 mm | -11 mm |
| May | 32.9 °C | +1.9 °C | 67 mm | +33 mm |
| Jun | 27.1 °C | -1.7 °C | 281 mm | +166 mm |
| Jul | 26.5 °C | -0.1 °C | 173 mm | +42 mm |
| Aug | 27.7 °C | +1.0 °C | 168 mm | +44 mm |
| Sep | 27.4 °C | +1.5 °C | 152 mm | +53 mm |
| Oct | 28.4 °C | +2.4 °C | 32 mm | -2 mm |
| Nov | 28.1 °C | +3.0 °C | 0 mm | -9 mm |
| Dec | 25.7 °C | +2.3 °C | 7 mm | +1 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 Irapuato?
Irapuato has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.1 °C and it receives 589 mm of precipitation per year.
What is the hottest day ever recorded in Irapuato?
The hottest day measured in Irapuato between 1940 and 2025 was 24 May 2024, reaching 38.8 °C.
What is the coldest day in Irapuato?
The coldest day measured in Irapuato between 1940 and 2025 was 25 February 1976, at -2.9 °C.
Does it snow in Irapuato?
Almost never: Irapuato sees virtually no snow, with about 0 frost days per year.
Has the climate of Irapuato warmed?
Yes: Irapuato warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Irapuato?
The wettest day measured in Irapuato between 1940 and 2025 was 3 February 2010, with 59 mm of rain in 24 hours.
What was the windiest day in Irapuato?
The windiest day measured in Irapuato between 1940 and 2025 was 4 March 1983, with winds reaching 41.5 km/h.
What is the warmest month in Irapuato?
The warmest month in Irapuato is May (22.9 °C on average); the coldest is January (15.1 °C).
How much does it rain in Irapuato?
Irapuato receives on average 589 mm of precipitation per year, spread over about 80 rainy days.
Is it sunny in Irapuato?
Irapuato 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 Irapuato?
The heaviest 24-hour snowfall measured in Irapuato between 1940 and 2025 was 11 January 1967, with 3.4 cm.
Are there tropical nights in Irapuato?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Irapuato.
What was the most extreme apparent temperature in Irapuato?
In Irapuato, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 10 May 2024, and the lowest was -7.3 °C on 25 February 1976.
Compare Irapuato with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Irapuato