Summerland (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Summerland.
Climate overview of Summerland
Summerland, California, United States of America, experiences moderate temperature changes through the seasons. September is the warmest month with daytime highs of 25°C (77°F), while December is the coolest at 18°C (64°F).
With around 418 mm (16 in) of annual rainfall, Summerland has a fairly dry climate. However, it has a distinct dry season from April to November. The wettest month is January, while August sees the least rain. The sunniest month is July, with 11.4 hours of sunshine per day on average.
Summerland Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Summerland — and find the best time to visit.
Monthly Temperature in Summerland
In Summerland, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a comfortable 25°C (77°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 15°C (59°F) in September to 7°C (45°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Summerland
With annual rainfall averaging 418 mm (16 in), Summerland maintains relatively low precipitation levels throughout the seasons. Summerland can be quite wet during January, receiving approximately 91 mm (3.6 in) of precipitation over 6 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 0.6 mm (0.02 in) of precipitation spread across 0 rainy days days. For more details, please visit our Summerland 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 Summerland
Summerland can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.4 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 6.1 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
Best Time to Visit Summerland
Rainfall during this time ranges from 1 mm (0.04 in) in August to 91 mm (3.6 in) in January. This means you can expect a mix of sunny days and occasional showers. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Summerland
What is the best time to visit Summerland?
March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Summerland. In contrast, January, February and December tend to have less optimal conditions. Summerland has a distinct dry season from April to November.
What temperatures can I expect in Summerland?
Daytime highs range from 18°C (64°F) in December to 25°C (77°F) in September. Nighttime lows range from 7°C (45°F) to 15°C (59°F).
How much rain does Summerland get?
Annual rainfall is around 418 mm (16 in). January is the wettest month with 91 mm (3.6 in), while August is the driest with 0.6 mm (0.02 in).
How sunny is Summerland?
Summerland receives around 3,114 hours of sunshine per year. July is the sunniest month with 342 hours, while November is the cloudiest with just 182 hours. Overall, Summerland enjoys abundant sunshine.
Summerland 3-Day Forecast
Summerland (CA) 3-Day Forecast
Summerland on the map
Summerland is highlighted — select any city to see its climate.
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