Chimaltenango climate — normals and trends
Chimaltenango (Guatemala) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 1,061 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 (19.1 °C on average) and the coldest is January (15.7 °C). Rainfall peaks in June.
Chimaltenango averages 0 frost days, 1 hot days (≥ 30 °C) and 152 rainy days per year.
Chimaltenango has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.3 °C (on 4 May 2024) and the coldest 3.3 °C (on 9 January 1956).
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
ChimaltenangoChimaltenango
- coords
- 14.66°, -90.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
23.3°C
Average daily low
13.1°C
Annual rainfall
1,061mm
Sunshine / day
10.5h
Mean relative humidity
75%
Average peak wind
11.4km/h
Seasonal range
3.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.5 °C
Average feels-like low
13.0 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °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
33.3 °C
4 May 2024
Coldest day
3.3 °C
9 January 1956
Wettest day
124 mm
29 May 2010
Windiest day
28.3 km/h
16 March 1983
Strongest gust
83.5 km/h
16 March 1983
Hottest feels-like
33.1 °C
3 May 2024
Coldest feels-like
0.4 °C
9 January 1956
Sunniest day
12.5 h
11 July 1944
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 | 23.5 °C | +1.4 °C | 13 mm | +4 mm |
| Feb | 24.9 °C | +1.3 °C | 11 mm | +2 mm |
| Mar | 27.8 °C | +2.7 °C | 2 mm | -17 mm |
| Apr | 26.7 °C | +1.0 °C | 22 mm | -25 mm |
| May | 27.6 °C | +2.6 °C | 37 mm | -81 mm |
| Jun | 24.4 °C | +1.2 °C | 321 mm | +104 mm |
| Jul | 25.2 °C | +2.2 °C | 69 mm | -53 mm |
| Aug | 25.9 °C | +2.4 °C | 67 mm | -56 mm |
| Sep | 25.2 °C | +2.2 °C | 220 mm | +16 mm |
| Oct | 24.3 °C | +2.1 °C | 125 mm | -13 mm |
| Nov | 23.0 °C | +1.4 °C | 26 mm | -14 mm |
| Dec | 22.7 °C | +1.1 °C | 58 mm | +43 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 Chimaltenango?
Chimaltenango has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,061 mm of precipitation per year.
What is the hottest day ever recorded in Chimaltenango?
The hottest day measured in Chimaltenango between 1940 and 2025 was 4 May 2024, reaching 33.3 °C.
What is the coldest day in Chimaltenango?
The coldest day measured in Chimaltenango between 1940 and 2025 was 9 January 1956, at 3.3 °C.
Does it snow in Chimaltenango?
Almost never: Chimaltenango sees virtually no snow, with about 0 frost days per year.
Has the climate of Chimaltenango warmed?
Yes: Chimaltenango warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chimaltenango?
The wettest day measured in Chimaltenango between 1940 and 2025 was 29 May 2010, with 124 mm of rain in 24 hours.
What was the windiest day in Chimaltenango?
The windiest day measured in Chimaltenango between 1940 and 2025 was 16 March 1983, with winds reaching 28.3 km/h.
What is the warmest month in Chimaltenango?
The warmest month in Chimaltenango is May (19.1 °C on average); the coldest is January (15.7 °C).
How much does it rain in Chimaltenango?
Chimaltenango receives on average 1,061 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Chimaltenango?
Chimaltenango gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Chimaltenango?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chimaltenango.
What was the most extreme apparent temperature in Chimaltenango?
In Chimaltenango, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 3 May 2024, and the lowest was 0.4 °C on 9 January 1956.
Compare Chimaltenango with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chimaltenango