Thousand Oaks (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Thousand Oaks.
Climate overview of Thousand Oaks
Thousand Oaks, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in September, while winters cool to 18°C (64°F) in December.
With around 299 mm (12 in) of annual rainfall, Thousand Oaks has a fairly dry climate. However, it has a distinct dry season from April to November, with warm summers and mild winters. The wettest month is December, while August sees the least rain. July is the sunniest month, averaging 12.1 hours of sunshine per day.
Thousand Oaks Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thousand Oaks - and find the best time to visit.
Monthly Temperature in Thousand Oaks
Depending on the time of the year, temperatures range from comfortable to moderate in Thousand Oaks. Average daytime temperatures reach a comfortable 29°C (84°F) in September. In December, the coolest month of the year, temperatures drop to a moderate 18°C (64°F).
At night, temperatures range from around 16°C (61°F) in September to 8°C (46°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Thousand Oaks
Thousand Oaks maintains relatively dry conditions year-round, recording average annual precipitation of 299 mm (12 in). Thousand Oaks can be quite wet during December, receiving approximately 68 mm (2.7 in) of precipitation over 7 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 0.1 mm (0 in) of precipitation spread across 0 rainy days. For more details, please visit our Thousand Oaks Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Thousand Oaks
Thousand Oaks can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.1 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 7.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Thousand Oaks by Month
The relative humidity is high throughout the year in Thousand Oaks.
The city experiences its highest humidity in May, reaching 73%. In November, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Thousand Oaks
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May, June, July, August, September, October and November
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewer rainy days: May, June, July, August and September
- Seasonal pattern: A distinct dry season from April to November, with warm summers and mild winters
Frequently asked questions about the climate in Thousand Oaks
What is the best time to visit Thousand Oaks?
March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Thousand Oaks. In contrast, January, February and December tend to have less optimal conditions. Thousand Oaks has a distinct dry season from April to November, with warm summers and mild winters.
What temperatures can I expect in Thousand Oaks?
Daytime highs range from 18°C (64°F) in December to 29°C (84°F) in September. Nighttime lows range from 8°C (46°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Thousand Oaks get?
Annual rainfall is around 299 mm (12 in). December is the wettest month with 68 mm (2.7 in), while August is the driest with 0.1 mm (0 in).
How sunny is Thousand Oaks?
Thousand Oaks receives around 3,257 hours of sunshine per year. July is the sunniest month with 364 hours, while November is the cloudiest with just 217 hours. Overall, Thousand Oaks enjoys abundant sunshine.
Thousand Oaks 3-Day Forecast
Thousand Oaks on the map
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