Lake Arrowhead (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Lake Arrowhead.
Climate overview of Lake Arrowhead
Lake Arrowhead, California, United States of America, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and December dropping to 10°C (50°F).
The city receives around 631 mm (25 in) of rain/snowfall per year. It experiences a distinct dry season from May to October, with warm summers and cold winters. December is the wettest month and June the driest. Sunshine peaks in July, when the city sees around 12.3 hours of sunshine per day.
Lake Arrowhead Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lake Arrowhead - and find the best time to visit.
Monthly Temperature in Lake Arrowhead
Visitors to Lake Arrowhead can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a chilly 10°C (50°F) in December.
Nighttime temperatures range from 16°C (61°F) in July to -1°C (30°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Lake Arrowhead
Generally, Lake Arrowhead experiences moderate precipitation patterns, averaging 631 mm (25 in) yearly. The seasons in Lake Arrowhead bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 157 mm (6.2 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 0.7 mm (0.03 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Lake Arrowhead 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 Lake Arrowhead
In Lake Arrowhead, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 6.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Lake Arrowhead
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: 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
- Coldest conditions: December, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Lake Arrowhead
What is the best time to visit Lake Arrowhead?
May, June, July, August, September and October typically offer the most optimal weather in Lake Arrowhead. In contrast, January, February and December tend to have less optimal conditions. Lake Arrowhead has a distinct dry season from May to October, with warm summers and cold winters.
What temperatures can I expect in Lake Arrowhead?
Daytime highs range from 10°C (50°F) in December to 28°C (82°F) in July. Nighttime lows range from -1°C (30°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Lake Arrowhead get?
Annual rainfall is around 631 mm (25 in). December is the wettest month with 157 mm (6.2 in), while June is the driest with 0.7 mm (0.03 in).
How sunny is Lake Arrowhead?
Lake Arrowhead 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, Lake Arrowhead enjoys abundant sunshine.
Lake Arrowhead 3-Day Forecast
Lake Arrowhead (CA) 3-Day Forecast
Lake Arrowhead on the map
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