Menlo Park (CA) Weather & Climate: Best Time to Visit

Visitors to Menlo Park can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a moderate 15°C (59°F) during cooler months like December.

At night, you can expect temperatures ranging from 14°C (57°F) in July to around 5°C (41°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Menlo Park tends toward drier weather patterns, receiving approximately 354 mm (14 in) of rain per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 84 mm (3.3 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month July brings less rainfall, with 0 mm (0 in) over 0 rainy days. For more details, please visit our Menlo Park Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Menlo Park. While May receives considerable daily sunshine with up to 10.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Menlo Park.

The city experiences its highest humidity in January, reaching 80%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year