Crestline (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Crestline.

Climate overview of Crestline

Crestline, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in August, while winters cool to 10°C (50°F) in December.

Crestline sees a moderate amount of rain/snowfall, totalling around 595 mm (23 in) per year. It experiences a distinct dry season from May to October, creating some seasonal variation. The most sunshine falls in July, with an average of 12.3 hours of daily sunshine.

Crestline Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Crestline — and find the best time to visit.

Monthly Temperature in Crestline

Depending on the time of the year, temperatures range from comfortable to chilly in Crestline. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like December.

At night, you can expect temperatures ranging from 17°C (63°F) in August to around 1°C (34°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Crestline

Generally, Crestline has a moderate amount of precipitation, averaging 595 mm (23 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives high rainfall, averaging 151 mm (5.9 in) of precipitation, recorded across 8 rainy days. In contrast, the driest month June brings less rainfall, with 0.6 mm (0.02 in) over 0 rainy days. For more details, please visit our Crestline Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Crestline

Seasonal changes in sunshine hours are quite dramatic in Crestline. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Corona, the United States of America (48 KM, 30 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (48 KM, 30 Miles).

Best Time to Visit Crestline

During the months of May, June, July, August, September and October, Crestline enjoys pleasant weather with average temperatures ranging from 20°C (69°F) to 30°C (85°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 1 mm (0.04 in) in June to 22 mm (0.9 in) in October. This means you can expect a mix of sunny days and occasional showers.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

Frequently asked questions about the climate in Crestline

What is the best time to visit Crestline?

May, June, July, September and October typically offer the most optimal weather in Crestline. In contrast, January, February and December tend to have less optimal conditions. Crestline has a distinct dry season from May to October.

What temperatures can I expect in Crestline?

Daytime highs range from 10°C (50°F) in December to 30°C (86°F) in August. Nighttime lows range from 1°C (34°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Crestline get?

Annual rainfall is around 595 mm (23 in). December is the wettest month with 151 mm (5.9 in), while June is the driest with 0.6 mm (0.02 in).

How sunny is Crestline?

Crestline 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, Crestline enjoys abundant sunshine.

Crestline 3-Day Forecast

Crestline (CA) 3-Day Forecast

Crestline on the map

Crestline is highlighted — select any city to see its climate.

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