Hollister (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hollister.
Climate overview of Hollister
Temperatures in Hollister, California, United States of America, vary greatly throughout the year. September is the hottest month at 28°C (82°F), while December is the coldest at 16°C (61°F).
The city has a relatively dry climate, receiving around 309 mm (12 in) of rainfall per year. It does experience a distinct dry season from April to November, with warm summers and mild winters. December is the wettest month and July the driest.
Hollister Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hollister - and find the best time to visit.
Monthly Temperature in Hollister
The climate in Hollister is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C (82°F) in September to a moderate 16°C (61°F) in December.
Nighttime temperatures range from 12°C (54°F) in September to 3°C (37°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hollister
With annual rainfall averaging 309 mm (12 in), Hollister maintains relatively low precipitation levels throughout the seasons. The seasons in Hollister bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 63 mm (2.5 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 0 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Hollister 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 Hollister
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: March, April, May, June, July, August, September, October and November
- Warmest weather: July, August and September
- Fewer rainy days: May, June, July, August and September
- Climate seasons: a distinct dry season from April to November, with warm summers and mild winters
Frequently asked questions about the climate in Hollister
What is the best time to visit Hollister?
March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Hollister. In contrast, January and December tend to have less optimal conditions. Hollister has a distinct dry season from April to November, with warm summers and mild winters.
What temperatures can I expect in Hollister?
Daytime highs range from 16°C (61°F) in December to 28°C (82°F) in September. Nighttime lows range from 3°C (37°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Hollister get?
Annual rainfall is around 309 mm (12 in). December is the wettest month with 63 mm (2.5 in), while July is the driest with 0 mm (0 in).
Hollister 3-Day Forecast
Hollister (CA) 3-Day Forecast
Hollister on the map
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