Comalapa climate — normals and trends
Comalapa (Guatemala) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.1 °C and it receives 1,569 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 (17.3 °C on average) and the coldest is January (14.6 °C). Rainfall peaks in June.
Comalapa averages 0 frost days, 0 hot days (≥ 30 °C) and 177 rainy days per year.
Comalapa has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 29.2 °C (on 4 May 2024) and the coldest 3.8 °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
ComalapaChimaltenango
- coords
- 14.74°, -90.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.1°C
Average daily high
21.0°C
Average daily low
12.5°C
Annual rainfall
1,569mm
Sunshine / day
10.4h
Mean relative humidity
79%
Average peak wind
9.9km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
177 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.6 °C
Average feels-like low
12.2 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.81 · 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
29.2 °C
4 May 2024
Coldest day
3.8 °C
9 January 1956
Wettest day
124 mm
29 May 2010
Windiest day
27.3 km/h
14 January 1948
Strongest gust
83.2 km/h
14 January 1948
Hottest feels-like
30.6 °C
3 May 2024
Coldest feels-like
0.7 °C
9 January 1956
Sunniest day
12.5 h
11 July 2020
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 | 21.6 °C | +1.4 °C | 13 mm | +2 mm |
| Feb | 22.4 °C | +1.0 °C | 31 mm | +16 mm |
| Mar | 24.6 °C | +2.1 °C | 13 mm | -23 mm |
| Apr | 23.5 °C | +0.8 °C | 60 mm | -23 mm |
| May | 24.2 °C | +2.1 °C | 80 mm | -114 mm |
| Jun | 22.3 °C | +1.4 °C | 424 mm | +117 mm |
| Jul | 22.8 °C | +2.0 °C | 91 mm | -82 mm |
| Aug | 22.7 °C | +1.7 °C | 142 mm | -51 mm |
| Sep | 22.5 °C | +1.8 °C | 314 mm | +14 mm |
| Oct | 22.2 °C | +1.9 °C | 200 mm | +11 mm |
| Nov | 20.7 °C | +0.9 °C | 40 mm | -10 mm |
| Dec | 20.6 °C | +0.9 °C | 65 mm | +46 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 Comalapa?
Comalapa has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.1 °C and it receives 1,569 mm of precipitation per year.
What is the hottest day ever recorded in Comalapa?
The hottest day measured in Comalapa between 1940 and 2025 was 4 May 2024, reaching 29.2 °C.
What is the coldest day in Comalapa?
The coldest day measured in Comalapa between 1940 and 2025 was 9 January 1956, at 3.8 °C.
Does it snow in Comalapa?
Almost never: Comalapa sees virtually no snow, with about 0 frost days per year.
Has the climate of Comalapa warmed?
Yes: Comalapa warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Comalapa?
The wettest day measured in Comalapa between 1940 and 2025 was 29 May 2010, with 124 mm of rain in 24 hours.
What was the windiest day in Comalapa?
The windiest day measured in Comalapa between 1940 and 2025 was 14 January 1948, with winds reaching 27.3 km/h.
What is the warmest month in Comalapa?
The warmest month in Comalapa is May (17.3 °C on average); the coldest is January (14.6 °C).
How much does it rain in Comalapa?
Comalapa receives on average 1,569 mm of precipitation per year, spread over about 177 rainy days.
Is it sunny in Comalapa?
Comalapa gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Comalapa?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Comalapa.
What was the most extreme apparent temperature in Comalapa?
In Comalapa, between 1940 and 2025, the highest apparent temperature reached 30.6 °C on 3 May 2024, and the lowest was 0.7 °C on 9 January 1956.
Compare Comalapa with another city
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Nearby cities
The climate around Comalapa