San Mateo Weather in May

What's the weather like in San Mateo (California) in May 2024?

The climate in San Mateo during May can be summarized as mild and very dry.

May is in the spring in San Mateo and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (50°F) is normal.

San Mateo weather averages (imperial / metric)
Daytime temperature 20.2°C 68.4°F
Nightly temperature 10.2°C 50.4°F
Average temperature 15.2°C 59.4°F
Daily sunshine 11.6 hrs
Avg rainfall 6 mm 0.2 ins
Rainy days 2 days
Sea temperature 11.8°C 53.2°F
Humidity 69%
Windspeed 20.5kph 13 mph

On average May is the 5th driest month of the year in San Mateo with around 6mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.6 hours of sunshine per day.

May temperatures in San Mateo

San Mateo average temperature in May

May rainfall

San Mateo average rain in May

May hourly sunshine

San Mateo 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 San Mateo in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Mateo weather stats

San Mateo weather statistics
Hottest month: September 23.8°C 74.8°F
Driest month: July 1mm 0ins
Sunniest month: April 11.1hrs
Coldest month: January 13.5°C 56.3°F
Wettest month: January 95mm 3.7ins
Map showing location of San Mateo (37.56299, -122.32553) San Mateo map pin © Google

Locations nearby

Top United States locations