Lake Arrowhead Weather in May

What's the weather like in Lake Arrowhead (California) in May 2025?

The climate in Lake Arrowhead during May can be summarized as mild and dry.

May is in the spring in Lake Arrowhead and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 8°C (46°F) is normal.

Lake Arrowhead weather averages (imperial / metric)
Daytime temperature 23.4°C 74°F
Nightly temperature 7.9°C 46.1°F
Average temperature 15.6°C 60.1°F
Daily sunshine 10.4 hrs
Avg rainfall 17 mm 0.7 ins
Rainy days 1 days
Sea temperature 15.8°C 60.5°F
Humidity 52%
Windspeed 15.5kph 10 mph

On average May is the 6th driest month of the year in Lake Arrowhead with around 17mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 1 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.4 hours of sunshine per day.

May temperatures in Lake Arrowhead

Lake Arrowhead average temperature in May

May rainfall

Lake Arrowhead average rain in May

May hourly sunshine

Lake Arrowhead average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lake Arrowhead in May 2025.