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Thousand Oaks Weather by Month
Average temperatures, rainfall and humidity for Thousand Oaks, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Thousand Oaks month looks like before you travel — then check the live Thousand Oaks forecast for the days ahead.
Warmest month
August
29°C average high
Coolest month
December
9°C average low
Wettest month
December
55 mm of rain
Driest month
June
3 mm of rain
Average temperature and rainfall in Thousand Oaks 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 | 19°C | 9°C | -5°C / 30°C | 43 mm | 58% | 9 km/h |
| February | 19°C | 9°C | -2°C / 33°C | 42 mm | 62% | 9 km/h |
| March | 20°C | 10°C | 2°C / 35°C | 37 mm | 67% | 8 km/h |
| April | 22°C | 11°C | 3°C / 35°C | 11 mm | 66% | 8 km/h |
| May | 22°C | 12°C | 6°C / 37°C | 17 mm | 70% | 7 km/h |
| June | 25°C | 15°C | 10°C / 40°C | 3 mm | 71% | 7 km/h |
| July | 28°C | 17°C | 11°C / 37°C | 3 mm | 69% | 7 km/h |
| August | 29°C | 17°C | 12°C / 39°C | 4 mm | 67% | 6 km/h |
| September | 28°C | 17°C | 9°C / 44°C | 5 mm | 67% | 7 km/h |
| October | 26°C | 14°C | 3°C / 39°C | 8 mm | 62% | 7 km/h |
| November | 22°C | 11°C | -1°C / 34°C | 22 mm | 57% | 8 km/h |
| December | 19°C | 9°C | -2°C / 29°C | 55 mm | 60% | 9 km/h |
Best time to visit Thousand Oaks
The most comfortable time to visit Thousand Oaks is generally May to June and October, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 250 mm a year.
Travellers who prefer heat should aim for August, when highs average 29°C. December is the month to avoid if rain would spoil your plans — it averages 55 mm, roughly 18× the rainfall of the driest month (June).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Thousand Oaks forecast for what is happening now.