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, with warm summers and cold winters, 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
The average number of days each month with precipitation
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
Daily hours of sunshine
Best Time to Visit Crestline
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, September and October
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to October, with warm summers and cold winters
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, with warm summers and cold winters.
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 on the map
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Popular this month
Where to go in August - average daytime high across popular destinations.
Kissimmee
33°C (91°F) Orlando33°C (91°F) Miami Beach32°C (90°F) Destin32°C (90°F) New York City
29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) 
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