Tlaltenango de Sánchez Román climate — normals and trends
Tlaltenango de Sánchez Román (Mexico) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 902 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 (20.3 °C on average) and the coldest is January (12.1 °C). Rainfall peaks in July.
Tlaltenango de Sánchez Román averages 1 frost days, 18 hot days (≥ 30 °C) and 107 rainy days per year.
Tlaltenango de Sánchez Román has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.7 °C (on 15 June 2023) and the coldest -4.2 °C (on 13 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
Tlaltenango de Sánchez RománZacatecas
- coords
- 21.78°, -103.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
23.9°C
Average daily low
10.0°C
Annual rainfall
902mm
Sunshine / day
11.0h
Mean relative humidity
59%
Average peak wind
11.0km/h
Seasonal range
8.2°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
107 d/yr
Annual snowfall
0.1 cm
Average feels-like high
23.4 °C
Average feels-like low
8.7 °C
Average peak gust
32.0 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
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.53 · 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
35.7 °C
15 June 2023
Coldest day
-4.2 °C
13 December 1997
Wettest day
68 mm
4 July 2013
Windiest day
30.6 km/h
2 March 1993
Strongest gust
87.1 km/h
18 March 1964
Hottest feels-like
36.1 °C
12 June 2023
Coldest feels-like
-9.7 °C
13 December 1997
Snowiest day
6.9 cm
12 January 1967
Sunniest day
13.3 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 | 20.9 °C | +1.2 °C | 22 mm | -1 mm |
| Feb | 25.4 °C | +3.7 °C | 0 mm | -15 mm |
| Mar | 27.1 °C | +2.6 °C | 0 mm | -8 mm |
| Apr | 28.9 °C | +1.9 °C | 1 mm | -9 mm |
| May | 30.5 °C | +1.9 °C | 19 mm | -13 mm |
| Jun | 26.9 °C | 0.0 °C | 236 mm | +80 mm |
| Jul | 24.8 °C | +0.5 °C | 267 mm | +49 mm |
| Aug | 25.1 °C | +0.8 °C | 279 mm | +82 mm |
| Sep | 25.2 °C | +1.5 °C | 263 mm | +113 mm |
| Oct | 25.2 °C | +1.8 °C | 51 mm | -8 mm |
| Nov | 24.9 °C | +2.6 °C | 1 mm | -16 mm |
| Dec | 22.5 °C | +2.3 °C | 12 mm | -6 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 Tlaltenango de Sánchez Román?
Tlaltenango de Sánchez Román has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 902 mm of precipitation per year.
What is the hottest day ever recorded in Tlaltenango de Sánchez Román?
The hottest day measured in Tlaltenango de Sánchez Román between 1940 and 2025 was 15 June 2023, reaching 35.7 °C.
What is the coldest day in Tlaltenango de Sánchez Román?
The coldest day measured in Tlaltenango de Sánchez Román between 1940 and 2025 was 13 December 1997, at -4.2 °C.
Does it snow in Tlaltenango de Sánchez Román?
Almost never: Tlaltenango de Sánchez Román sees virtually no snow, with about 1 frost days per year.
Has the climate of Tlaltenango de Sánchez Román warmed?
Yes: Tlaltenango de Sánchez Román warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tlaltenango de Sánchez Román?
The wettest day measured in Tlaltenango de Sánchez Román between 1940 and 2025 was 4 July 2013, with 68 mm of rain in 24 hours.
What was the windiest day in Tlaltenango de Sánchez Román?
The windiest day measured in Tlaltenango de Sánchez Román between 1940 and 2025 was 2 March 1993, with winds reaching 30.6 km/h.
What is the warmest month in Tlaltenango de Sánchez Román?
The warmest month in Tlaltenango de Sánchez Román is May (20.3 °C on average); the coldest is January (12.1 °C).
How much does it rain in Tlaltenango de Sánchez Román?
Tlaltenango de Sánchez Román receives on average 902 mm of precipitation per year, spread over about 107 rainy days.
Is it sunny in Tlaltenango de Sánchez Román?
Tlaltenango de Sánchez Román 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 Tlaltenango de Sánchez Román?
The heaviest 24-hour snowfall measured in Tlaltenango de Sánchez Román between 1940 and 2025 was 12 January 1967, with 6.9 cm.
Are there tropical nights in Tlaltenango de Sánchez Román?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tlaltenango de Sánchez Román.
What was the most extreme apparent temperature in Tlaltenango de Sánchez Román?
In Tlaltenango de Sánchez Román, between 1940 and 2025, the highest apparent temperature reached 36.1 °C on 12 June 2023, and the lowest was -9.7 °C on 13 December 1997.
Compare Tlaltenango de Sánchez Román with another city
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Nearby cities
The climate around Tlaltenango de Sánchez Román