San Francisco La Unión Weather in August
What's the weather like in San Francisco La Unión (Quetzaltenango) in August 2025?
The climate in San Francisco La Unión during August can be summarized as mild and wet.
August is in the summer in San Francisco La Unión and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 20.3°C 68.5°F |
|---|---|
| Nightly temperature | 9.3°C 48.7°F |
| Average temperature | 14.8°C 58.6°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 131 mm 5.2 ins |
| Rainy days | 22 days |
| Sea temperature | 29.9°C 85.7°F |
| Humidity | 82% |
| Windspeed | 8.6kph 5 mph |
On average August is the 3rd wettest month of the year in San Francisco La Unión with around 131mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
August temperatures in San Francisco La Unión
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Francisco La Unión in August 2025.
Other monthly averages
Best places to visit in August
San Francisco La Unión weather stats
| Hottest month: | May | 22.2°C 72°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | January | 8.9hrs |
| Coldest month: | January | 16.8°C 62.2°F |
| Wettest month: | June | 173mm 6.8ins |
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