The highest day temperature in August 2025 was 78°F. The lowest night temperature was 34°F. The average values for day and night temperatures during August were 63.4°F и 45.5°F respectivly.

Most of the days in August are cloudy but you can also expect sunny or gloomy days.

Precipitation total in August for San Genesio is 1.5 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 2.7 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Genesio in August is 7.3 hours.