Watsonville (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Watsonville.
Climate overview of Watsonville
With consistently stable weather, Watsonville, California, United States of America, sees little seasonal temperature change. Daytime highs average 19°C (66°F), ranging from 22°C (72°F) in September to 16°C (61°F) in December.
Rainfall is modest, totalling around 472 mm (19 in) annually. The city experiences a distinct dry season from May to October. December tends to be the wettest month.
Watsonville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Watsonville - and find the best time to visit.
Monthly Temperature in Watsonville
The climate in Watsonville remains fairly constant, offering pleasant temperatures throughout the year. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in September, the warmest time of the year, to a moderate 16°C (61°F) during cooler months like December.
At night, you can expect temperatures ranging from 13°C (55°F) in September to around 4°C (39°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Watsonville
Watsonville typically sees modest rainfall throughout the year, with an average annual precipitation of 472 mm (19 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives high rainfall, averaging 106 mm (4.2 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month July brings less rainfall, with 0.3 mm (0.01 in) over a single rainy day. For more details, please visit our Watsonville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Watsonville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August, September and October
- Warmest weather: June, July, August, September and October
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, April, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to October
Frequently asked questions about the climate in Watsonville
What is the best time to visit Watsonville?
May, June, July, August, September and October typically offer the most optimal weather in Watsonville. In contrast, December tends to have less optimal conditions. Watsonville has a distinct dry season from May to October.
What temperatures can I expect in Watsonville?
Daytime highs range from 16°C (61°F) in December to 22°C (72°F) in September. Nighttime lows range from 4°C (39°F) to 13°C (55°F). Temperatures stay relatively stable year-round.
How much rain does Watsonville get?
Annual rainfall is around 472 mm (19 in). December is the wettest month with 106 mm (4.2 in), while July is the driest with 0.3 mm (0.01 in).
Watsonville 3-Day Forecast
Watsonville on the map
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