ClimateForecastDecemberJanuary >>

Lake Arrowhead (CA) Climate by Month

The temperature in Lake Arrowhead can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Lake Arrowhead can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 28°C in July to a chilly 10°C in December. Nighttime temperatures can drop, with averages reaching -1°C in December.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Lake Arrowhead experiences moderate precipitation patterns, averaging 631 mm yearly. The seasons in Lake Arrowhead, bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 157 mm of precipitation. This rainfall is distributed across 8 rainy days.

In contrast, the driest month, June, experiences much less rainfall, totaling 0.7 mm over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

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

Sunshine over the year

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.

Monthly hours of sunshine

Data from: Corona, the United States of America (54 KM, 33 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (54 KM, 33 Miles).

The best time of year to visit Lake Arrowhead in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Lake Arrowhead?
    The hottest season / summer takes place in June, July, August and September.
  • Does Lake Arrowhead have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Lake Arrowhead?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Lake Arrowhead?
    The coldest month is December with an average maximum temperature of 10°C.
  • Which is the wettest month in Lake Arrowhead?
    December tops the wettest month list with 157 mm of rainfall.
  • Which is the driest month in Lake Arrowhead?
    June is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in Lake Arrowhead?
    July is the sunniest month with an average of 369 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Lake Arrowhead (CA)

    Sun   Dec 15
    14°C | -1°C
    NE 11 km/h
    clear and no rain

    clear and no rain

    Mon   Dec 16
    18°C | 2°C
    SW 7 km/h
    almost clear and no rain

    almost clear and no rain

    Tue   Dec 17
    17°C | 2°C
    NE 14 km/h
    almost clear and no rain

    almost clear and no rain