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

The climate in Monterey Park is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in August to a pleasant 20°C (68°F) in the coolest month, December.

Nights vary from 18°C (64°F) in August to around 8°C (46°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Monterey Park has a relatively dry climate with low precipitation, averaging 306 mm (12 in) of rainfall annually. The climate in Monterey Park shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 81 mm (3.2 in) of precipitation over 9 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 0.3 mm (0.01 in) of rainfall over 0 rainy days. For more details, please visit our Monterey Park Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Monterey Park serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.1 hours of sunshine daily, and embrace the darker days in November, offering only 7.2 hours of daily sunlight.

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 Monterey Park.

The city experiences its highest humidity in May, reaching 73%. In November, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year