Ciudad Serdán climate — normals and trends
Ciudad Serdán (Mexico) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 13.4 °C and it receives 958 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 (15.2 °C on average) and the coldest is January (10.7 °C). Rainfall peaks in June.
Ciudad Serdán averages 2 frost days, 0 hot days (≥ 30 °C) and 148 rainy days per year.
Ciudad Serdán has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 3 to 1 per year over the period.
The hottest day of the period reached 30.3 °C (on 8 May 1998) and the coldest -4.9 °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
Ciudad SerdánPuebla
- coords
- 18.99°, -97.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.4°C
Average daily high
19.8°C
Average daily low
7.8°C
Annual rainfall
958mm
Sunshine / day
11.0h
Mean relative humidity
68%
Average peak wind
11.5km/h
Seasonal range
4.5°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
0.1 cm
Average feels-like high
19.2 °C
Average feels-like low
6.1 °C
Average peak gust
34.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.81 · 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
30.3 °C
8 May 1998
Coldest day
-4.9 °C
25 February 1976
Wettest day
101 mm
27 May 1981
Windiest day
32.5 km/h
22 August 2007
Strongest gust
103.0 km/h
9 March 2016
Hottest feels-like
30.5 °C
9 May 1998
Coldest feels-like
-8.9 °C
25 February 1976
Snowiest day
3.7 cm
11 January 1967
Sunniest day
13.0 h
26 May 1940
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 | 18.9 °C | +1.3 °C | 19 mm | +5 mm |
| Feb | 20.3 °C | +1.2 °C | 51 mm | +34 mm |
| Mar | 22.7 °C | +1.7 °C | 28 mm | -1 mm |
| Apr | 22.9 °C | +1.0 °C | 33 mm | -33 mm |
| May | 23.0 °C | +1.4 °C | 168 mm | +45 mm |
| Jun | 19.7 °C | -0.6 °C | 289 mm | +101 mm |
| Jul | 21.3 °C | +1.4 °C | 85 mm | -30 mm |
| Aug | 22.1 °C | +1.7 °C | 135 mm | +11 mm |
| Sep | 21.7 °C | +2.1 °C | 146 mm | -14 mm |
| Oct | 20.8 °C | +1.5 °C | 127 mm | +49 mm |
| Nov | 20.9 °C | +2.2 °C | 17 mm | -13 mm |
| Dec | 18.8 °C | +0.9 °C | 45 mm | +33 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 Ciudad Serdán?
Ciudad Serdán has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 13.4 °C and it receives 958 mm of precipitation per year.
What is the hottest day ever recorded in Ciudad Serdán?
The hottest day measured in Ciudad Serdán between 1940 and 2025 was 8 May 1998, reaching 30.3 °C.
What is the coldest day in Ciudad Serdán?
The coldest day measured in Ciudad Serdán between 1940 and 2025 was 25 February 1976, at -4.9 °C.
Does it snow in Ciudad Serdán?
Almost never: Ciudad Serdán sees virtually no snow, with about 2 frost days per year.
Has the climate of Ciudad Serdán warmed?
Yes: Ciudad Serdán warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ciudad Serdán?
The wettest day measured in Ciudad Serdán between 1940 and 2025 was 27 May 1981, with 101 mm of rain in 24 hours.
What was the windiest day in Ciudad Serdán?
The windiest day measured in Ciudad Serdán between 1940 and 2025 was 22 August 2007, with winds reaching 32.5 km/h.
What is the warmest month in Ciudad Serdán?
The warmest month in Ciudad Serdán is May (15.2 °C on average); the coldest is January (10.7 °C).
How much does it rain in Ciudad Serdán?
Ciudad Serdán receives on average 958 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Ciudad Serdán?
Ciudad Serdán 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 Ciudad Serdán?
The heaviest 24-hour snowfall measured in Ciudad Serdán between 1940 and 2025 was 11 January 1967, with 3.7 cm.
Are there tropical nights in Ciudad Serdán?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ciudad Serdán.
What was the most extreme apparent temperature in Ciudad Serdán?
In Ciudad Serdán, between 1940 and 2025, the highest apparent temperature reached 30.5 °C on 9 May 1998, and the lowest was -8.9 °C on 25 February 1976.
Compare Ciudad Serdán with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ciudad Serdán