Romita climate — normals and trends
Romita (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 568 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 (23.4 °C on average) and the coldest is January (15.2 °C). Rainfall peaks in July.
Romita averages 0 frost days, 75 hot days (≥ 30 °C) and 81 rainy days per year.
Romita 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 38.9 °C (on 24 May 2024) and the coldest -2.3 °C (on 14 December 1997).
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
RomitaGuanajuato
- coords
- 20.87°, -101.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.4°C
Average daily high
27.1°C
Average daily low
12.6°C
Annual rainfall
568mm
Sunshine / day
11.0h
Mean relative humidity
53%
Average peak wind
13.6km/h
Seasonal range
8.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
75 d/yr
Rainy days (≥ 1 mm)
81 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.4 °C
Average feels-like low
11.5 °C
Average peak gust
32.5 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 = 0.76 · 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
38.9 °C
24 May 2024
Coldest day
-2.3 °C
14 December 1997
Wettest day
50 mm
1 January 1947
Windiest day
37.4 km/h
4 March 1983
Strongest gust
79.2 km/h
4 March 1983
Hottest feels-like
38.8 °C
1 May 1983
Coldest feels-like
-6.9 °C
14 December 1997
Snowiest day
1.8 cm
11 January 1967
Sunniest day
13.0 h
21 June 1960
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 | 26.0 °C | +2.5 °C | 5 mm | -8 mm |
| Feb | 29.1 °C | +3.6 °C | 4 mm | -4 mm |
| Mar | 31.4 °C | +3.0 °C | 0 mm | -7 mm |
| Apr | 32.5 °C | +2.0 °C | 0 mm | -10 mm |
| May | 33.4 °C | +1.9 °C | 46 mm | +16 mm |
| Jun | 27.9 °C | -1.4 °C | 251 mm | +140 mm |
| Jul | 27.0 °C | +0.1 °C | 152 mm | +24 mm |
| Aug | 28.3 °C | +1.2 °C | 157 mm | +39 mm |
| Sep | 28.1 °C | +1.7 °C | 125 mm | +31 mm |
| Oct | 29.2 °C | +2.8 °C | 27 mm | -6 mm |
| Nov | 28.5 °C | +2.9 °C | 0 mm | -9 mm |
| Dec | 26.2 °C | +2.4 °C | 9 mm | +2 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 Romita?
Romita has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 568 mm of precipitation per year.
What is the hottest day ever recorded in Romita?
The hottest day measured in Romita between 1940 and 2025 was 24 May 2024, reaching 38.9 °C.
What is the coldest day in Romita?
The coldest day measured in Romita between 1940 and 2025 was 14 December 1997, at -2.3 °C.
Does it snow in Romita?
Almost never: Romita sees virtually no snow, with about 0 frost days per year.
Has the climate of Romita warmed?
Yes: Romita warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Romita?
The wettest day measured in Romita between 1940 and 2025 was 1 January 1947, with 50 mm of rain in 24 hours.
What was the windiest day in Romita?
The windiest day measured in Romita between 1940 and 2025 was 4 March 1983, with winds reaching 37.4 km/h.
What is the warmest month in Romita?
The warmest month in Romita is May (23.4 °C on average); the coldest is January (15.2 °C).
How much does it rain in Romita?
Romita receives on average 568 mm of precipitation per year, spread over about 81 rainy days.
Is it sunny in Romita?
Romita 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 Romita?
The heaviest 24-hour snowfall measured in Romita between 1940 and 2025 was 11 January 1967, with 1.8 cm.
Are there tropical nights in Romita?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Romita.
What was the most extreme apparent temperature in Romita?
In Romita, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 1 May 1983, and the lowest was -6.9 °C on 14 December 1997.
Compare Romita with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Romita