Thousand Oaks, CA Weather by Month and Climate Averages

Thousand Oaks, CA gets 12.0 in of precipitation a year over about 36 rainy days. August is the warmest month (average high 78°F) and January the coldest (average low 44°F).

Thousand Oaks climate at a glance

Semi-arid climate

Thousand Oaks, CA has warm summers and mild winters. Daytime highs range from about 67°F in February to 78°F in September. February is usually the wettest month. The most comfortable time to visit is typically January and March to December, when daytime highs sit near 73°F.

How much rain does Thousand Oaks get?

Thousand Oaks gets 12.0 in of precipitation in an average year, spread over about 36 days with measurable rain. That is fewer rainy days than 90% of the US.

February is the wettest month, with 2.9 in. August is the driest, with 0.0 in. February has the most rainy days, about 7.

The longest dry spell in the last five years lasted 180 days, to November 1, 2024.

See where Thousand Oaks ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.

Thousand Oaks weather by month

Thousand Oaks weather in January

In January, Thousand Oaks averages a high of 67°F and a low of 44°F. It gets 2.9 in of precipitation over about 6 rainy days. The sun is out about 56% of daylight hours. The January record high is 94°F (2021) and the record low is 27°F (2007). January is one of the most comfortable months to visit.

Thousand Oaks weather in February

In February, Thousand Oaks averages a high of 67°F and a low of 45°F. It gets 2.9 in of precipitation over about 7 rainy days. The sun is out about 64% of daylight hours. The February record high is 91°F (2016) and the record low is 32°F (2011).

Thousand Oaks weather in March

In March, Thousand Oaks averages a high of 68°F and a low of 47°F. It gets 2.0 in of precipitation over about 5 rainy days. The sun is out about 54% of daylight hours. The March record high is 97°F (2026) and the record low is 32°F (2007). March is one of the most comfortable months to visit.

Thousand Oaks weather in April

In April, Thousand Oaks averages a high of 70°F and a low of 49°F. It gets 0.6 in of precipitation over about 3 rainy days. The sun is out about 61% of daylight hours. The April record high is 99°F (2022) and the record low is 36°F (2011). April is one of the most comfortable months to visit.

Thousand Oaks weather in May

In May, Thousand Oaks averages a high of 71°F and a low of 53°F. It gets 0.3 in of precipitation over about 2 rainy days. The sun is out about 60% of daylight hours. The May record high is 102°F (2014) and the record low is 41°F (2022). May is one of the most comfortable months to visit.

Thousand Oaks weather in June

In June, Thousand Oaks averages a high of 74°F and a low of 57°F. It gets 0.1 in of precipitation over about 0 rainy days. The sun is out about 66% of daylight hours. The June record high is 96°F (2020) and the record low is 47°F (2011). June is one of the most comfortable months to visit.

Thousand Oaks weather in July

In July, Thousand Oaks averages a high of 77°F and a low of 60°F. It gets 0.0 in of precipitation over about 0 rainy days. The sun is out about 82% of daylight hours. The July record high is 101°F (2018) and the record low is 51°F (2026). July is one of the most comfortable months to visit.

Thousand Oaks weather in August

In August, Thousand Oaks averages a high of 78°F and a low of 60°F. It gets 0.0 in of precipitation over about 0 rainy days. The sun is out about 82% of daylight hours. The August record high is 95°F (2020) and the record low is 51°F (2010). August is one of the most comfortable months to visit.

Thousand Oaks weather in September

In September, Thousand Oaks averages a high of 78°F and a low of 59°F. It gets 0.1 in of precipitation over about 1 rainy days. The sun is out about 76% of daylight hours. The September record high is 106°F (2022) and the record low is 48°F (2013). September is one of the most comfortable months to visit.

Thousand Oaks weather in October

In October, Thousand Oaks averages a high of 76°F and a low of 54°F. It gets 0.5 in of precipitation over about 3 rainy days. The sun is out about 73% of daylight hours. The October record high is 108°F (2015) and the record low is 40°F (2009). October is one of the most comfortable months to visit.

Thousand Oaks weather in November

In November, Thousand Oaks averages a high of 72°F and a low of 48°F. It gets 0.9 in of precipitation over about 4 rainy days. The sun is out about 69% of daylight hours. The November record high is 99°F (2017) and the record low is 32°F (2010). November is one of the most comfortable months to visit.

Thousand Oaks weather in December

In December, Thousand Oaks averages a high of 67°F and a low of 44°F. It gets 1.7 in of precipitation over about 6 rainy days. The sun is out about 52% of daylight hours. The December record high is 88°F (2010) and the record low is 31°F (2013). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Thousand Oaks

July is the sunniest month in Thousand Oaks, with sunshine about 82% of daylight hours. December is the cloudiest, at 52%. Over the year the sun shines about 66% of daylight hours. Thousand Oaks is sunnier than 93% of the US.

Humidity peaks in May at 63% and is lowest in November at 42%.

Wind averages 6 mph over the year, and January is the windiest month at 7 mph.

Thousand Oaks has about 8 days a year above 90°F. Thousand Oaks is cooler than 82% of the US.

Thunderstorms occur on about 3 days a year.

See where Thousand Oaks ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

Thousand Oaks weather records

The hottest temperature on record at the Thousand Oaks station is 108°F, on October 9, 2015. The coldest is 27°F, on January 14, 2007.

The wettest day on record brought 4.9 in of rain, on March 20, 2011.

The best time to visit Thousand Oaks

The most comfortable time to visit is typically January and March to December, when daytime highs sit near 73°F.

Winter (December–February) is mild, with average highs around 67°F and lows near 44°F.

Spring (March–May) is warm, with average highs around 70°F and lows near 50°F.

Summer (June–August) is warm, with average highs around 76°F and lows near 59°F.

Autumn (September–November) is warm, with average highs around 76°F and lows near 53°F.

Monthly climate

MonthPrecipRain daysWindHumiditySunshineSea tempRecord highRecord low
January2.9 in67 mph53%56%58°94°27°
February2.9 in77 mph43%64%58°91°32°
March2.0 in56 mph57%54%57°97°32°
April0.64 in36 mph58%61%58°99°36°
May0.33 in26 mph63%60%61°102°41°
June0.13 in05 mph62%66%64°96°47°
July0.02 in05 mph60%82%66°101°51°
August0.00 in05 mph58%82%68°95°51°
September0.06 in15 mph59%76%68°106°48°
October0.50 in35 mph52%73%66°108°40°
November0.87 in46 mph42%69%61°99°32°
December1.7 in67 mph52%52%59°88°31°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Thousand Oaks climate questions

How much rain does Thousand Oaks get?

Thousand Oaks gets 12.0 in of precipitation in an average year, over about 36 rainy days.

What is the wettest month in Thousand Oaks?

February is the wettest month in Thousand Oaks, with 2.9 in. August is the driest, with 0.0 in.

How many rainy days does Thousand Oaks have a year?

Thousand Oaks has about 36 days with measurable rain in an average year. February has the most, about 7.

What is the hottest month in Thousand Oaks?

August is the warmest month in Thousand Oaks, with an average high of 78°F.

What is the coldest month in Thousand Oaks?

January is the coldest month in Thousand Oaks, with an average low of 44°F.

What is the record high temperature in Thousand Oaks?

The record high at the Thousand Oaks station is 108°F, set on October 9, 2015. The record low is 27°F, on January 14, 2007.

What is the sunniest month in Thousand Oaks?

July is the sunniest month in Thousand Oaks, with sunshine about 82% of daylight hours. December is the cloudiest.

What is the best time to visit Thousand Oaks?

The most comfortable time to visit is typically January and March to December, when daytime highs sit near 73°F.

Source: NOAA GHCN-Daily station CAMARILLO AP (23 km away).

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Normals from NOAA GHCN-Daily station CAMARILLO AP.