Westminster (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Westminster.
Climate overview of Westminster
Temperatures in Westminster, California, United States of America, shift moderately through the seasons. The warmest month is September at 28°C (82°F), and the coolest is December at 19°C (66°F).
The area sees almost no rainfall, totalling just 208 mm (8.2 in) per year. Sunshine peaks in July, when the city sees around 12.3 hours of sunshine per day.
Westminster Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Westminster — and find the best time to visit.
Monthly Temperature in Westminster
The climate in Westminster experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in September to a pleasant 19°C (66°F) in the coolest month, December.
Nights vary from 18°C (64°F) in September to around 8°C (46°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Westminster
Westminster is known for its low rainfall, with yearly precipitation amounts around 208 mm (8.2 in). The climate in Westminster shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 54 mm (2.1 in) of precipitation over 8 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 0.1 mm (0 in) of rainfall over 0 rainy days. For more details, please visit our Westminster 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 Westminster
For those who appreciate different seasons, Westminster serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.3 hours of sunshine daily, and embrace the darker days in January, offering only 6.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Westminster
The varied rainfall (from 0 mm (0 in) to 54 mm (2.1 in)) creates diverse landscapes throughout the year. For the best outdoor conditions, plan your visit during the drier months like August. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in Westminster
What is the best time to visit Westminster?
January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Westminster. In contrast, December tends to have less optimal conditions. Westminster has a distinct dry season from February to November.
What temperatures can I expect in Westminster?
Daytime highs range from 19°C (66°F) in December to 28°C (82°F) in September. Nighttime lows range from 8°C (46°F) to 18°C (64°F).
How much rain does Westminster get?
Annual rainfall is around 208 mm (8.2 in). December is the wettest month with 54 mm (2.1 in), while August is the driest with 0.1 mm (0 in).
How sunny is Westminster?
Westminster receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, Westminster enjoys abundant sunshine.
Westminster 3-Day Forecast
Westminster (CA) 3-Day Forecast
Westminster on the map
Westminster is highlighted — select any city to see its climate.
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