Topanga (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Topanga.
Climate overview of Topanga
Temperatures in Topanga, California, United States of America, vary greatly throughout the year. August is the hottest month at 32°C (90°F), while December is the coldest at 19°C (66°F).
Rainfall is modest, totalling around 387 mm (15 in) annually. The city experiences a distinct dry season from April to November, with very warm summers and pleasant winters. December tends to be the wettest month. Sunshine peaks in July, when the city sees around 12.1 hours of sunshine per day.
Topanga Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Topanga - and find the best time to visit.
Monthly Temperature in Topanga
The climate in Topanga is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a pleasant 19°C (66°F) during cooler months like December.
At night, you can expect temperatures ranging from 17°C (63°F) in August to around 10°C (50°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Topanga
Topanga has a relatively dry climate with low precipitation, averaging 387 mm (15 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 89 mm (3.5 in) of precipitation, recorded across 8 rainy days. In contrast, the driest month August brings less rainfall, with 0.1 mm (0 in) over 0 rainy days. For more details, please visit our Topanga 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 Topanga
Seasonal changes in sunshine hours are quite dramatic in Topanga. While July receives considerable daily sunshine with up to 12.1 hours, November marks the darkest time of the year, where sunshine is scarce 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 Topanga by Month
The relative humidity is high throughout the year in Topanga.
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 Topanga
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May, June, 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 very warm summers and pleasant winters
Frequently asked questions about the climate in Topanga
What is the best time to visit Topanga?
January, February, March, April, May, June, October and November typically offer the most optimal weather in Topanga. In contrast, July, August, September and December tend to have less optimal conditions. Topanga has a distinct dry season from April to November, with very warm summers and pleasant winters.
What temperatures can I expect in Topanga?
Daytime highs range from 19°C (66°F) in December to 32°C (90°F) in August. Nighttime lows range from 10°C (50°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Topanga get?
Annual rainfall is around 387 mm (15 in). December is the wettest month with 89 mm (3.5 in), while August is the driest with 0.1 mm (0 in).
How sunny is Topanga?
Topanga 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, Topanga enjoys abundant sunshine.
Topanga 3-Day Forecast
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