Xonacatlán climate — normals and trends
Xonacatlán (Mexico) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,140 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 (14.6 °C on average) and the coldest is January (9.4 °C). Rainfall peaks in July.
Xonacatlán averages 7 frost days, 0 hot days (≥ 30 °C) and 150 rainy days per year.
Xonacatlán has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 12 to 2 per year over the period.
The hottest day of the period reached 30.4 °C (on 8 May 1998) and the coldest -5.1 °C (on 6 March 1987).
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
XonacatlánMéxico
- coords
- 19.41°, -99.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
19.4°C
Average daily low
6.5°C
Annual rainfall
1,140mm
Sunshine / day
10.6h
Mean relative humidity
69%
Average peak wind
11.7km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
0.5 cm
Average feels-like high
18.3 °C
Average feels-like low
4.6 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.89 · 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
30.4 °C
8 May 1998
Coldest day
-5.1 °C
6 March 1987
Wettest day
90 mm
6 June 1992
Windiest day
36.7 km/h
28 January 1966
Strongest gust
90.0 km/h
10 March 2016
Hottest feels-like
30.7 °C
11 May 2024
Coldest feels-like
-9.3 °C
14 March 1983
Snowiest day
18.1 cm
11 January 1967
Sunniest day
13.0 h
7 June 1950
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 | 19.4 °C | +2.1 °C | 26 mm | +5 mm |
| Feb | 20.9 °C | +1.9 °C | 62 mm | +42 mm |
| Mar | 23.8 °C | +2.6 °C | 11 mm | -15 mm |
| Apr | 25.1 °C | +2.8 °C | 2 mm | -51 mm |
| May | 24.3 °C | +2.3 °C | 118 mm | +18 mm |
| Jun | 19.7 °C | -0.8 °C | 326 mm | +134 mm |
| Jul | 20.4 °C | +1.3 °C | 203 mm | -12 mm |
| Aug | 20.5 °C | +1.3 °C | 273 mm | +68 mm |
| Sep | 21.0 °C | +2.3 °C | 240 mm | +57 mm |
| Oct | 20.1 °C | +1.8 °C | 106 mm | +23 mm |
| Nov | 20.1 °C | +2.2 °C | 5 mm | -23 mm |
| Dec | 18.3 °C | +1.0 °C | 27 mm | +11 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 Xonacatlán?
Xonacatlán has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,140 mm of precipitation per year.
What is the hottest day ever recorded in Xonacatlán?
The hottest day measured in Xonacatlán between 1940 and 2025 was 8 May 1998, reaching 30.4 °C.
What is the coldest day in Xonacatlán?
The coldest day measured in Xonacatlán between 1940 and 2025 was 6 March 1987, at -5.1 °C.
Does it snow in Xonacatlán?
Almost never: Xonacatlán sees virtually no snow, with about 7 frost days per year.
Has the climate of Xonacatlán warmed?
Yes: Xonacatlán warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xonacatlán?
The wettest day measured in Xonacatlán between 1940 and 2025 was 6 June 1992, with 90 mm of rain in 24 hours.
What was the windiest day in Xonacatlán?
The windiest day measured in Xonacatlán between 1940 and 2025 was 28 January 1966, with winds reaching 36.7 km/h.
What is the warmest month in Xonacatlán?
The warmest month in Xonacatlán is May (14.6 °C on average); the coldest is January (9.4 °C).
How much does it rain in Xonacatlán?
Xonacatlán receives on average 1,140 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Xonacatlán?
Xonacatlán gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Xonacatlán?
The heaviest 24-hour snowfall measured in Xonacatlán between 1940 and 2025 was 11 January 1967, with 18.1 cm.
Are there tropical nights in Xonacatlán?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Xonacatlán.
What was the most extreme apparent temperature in Xonacatlán?
In Xonacatlán, between 1940 and 2025, the highest apparent temperature reached 30.7 °C on 11 May 2024, and the lowest was -9.3 °C on 14 March 1983.
Compare Xonacatlán with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xonacatlán