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Guatemala City Weather by Month
Average temperatures, rainfall and humidity for Guatemala City, Guatemala, month by month, built from OpenWeather's historical records. Use it to see what a typical Guatemala City month looks like before you travel — then check the live Guatemala City forecast for the days ahead.
Warmest month
April
27°C average high
Coolest month
January
13°C average low
Wettest month
September
167 mm of rain
Driest month
January
3 mm of rain
Average temperature and rainfall in Guatemala City by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 24°C | 13°C | 4°C / 31°C | 3 mm | 74% | 19 km/h |
| February | 25°C | 14°C | 6°C / 30°C | 6 mm | 71% | 18 km/h |
| March | 27°C | 15°C | 9°C / 32°C | 21 mm | 70% | 17 km/h |
| April | 27°C | 16°C | 9°C / 33°C | 40 mm | 72% | 15 km/h |
| May | 26°C | 17°C | 14°C / 31°C | 100 mm | 77% | 12 km/h |
| June | 25°C | 17°C | 11°C / 31°C | 162 mm | 84% | 10 km/h |
| July | 25°C | 16°C | 11°C / 31°C | 64 mm | 79% | 16 km/h |
| August | 26°C | 16°C | 11°C / 31°C | 82 mm | 80% | 14 km/h |
| September | 25°C | 17°C | 14°C / 32°C | 167 mm | 84% | 11 km/h |
| October | 25°C | 16°C | 10°C / 30°C | 108 mm | 83% | 12 km/h |
| November | 24°C | 15°C | 9°C / 33°C | 25 mm | 78% | 18 km/h |
| December | 24°C | 14°C | 7°C / 29°C | 8 mm | 76% | 19 km/h |
Best time to visit Guatemala City
The most comfortable time to visit Guatemala City is generally November to January, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around September, totalling about 787 mm a year.
Travellers who prefer heat should aim for April, when highs average 27°C. September is the month to avoid if rain would spoil your plans — it averages 167 mm, roughly 58× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Guatemala City forecast for what is happening now.