Pomona (CA) Climate by Month
Pomona experiences great temperature shifts.
The city's weather can transition from very warm days
to pleasant weather.
It typically sees modest rainfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The climate in Pomona is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a very warm 34°C in August to a pleasant 19°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to 6°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Pomona has a relatively dry climate with low precipitation, averaging 289 mm of rainfall annually. The climate in Pomona shows significant variation throughout the year. Expect moderate rainfall in December, with an average of 77 mm of precipitation over 9 rainy days. In contrast, June offers drier and sunnier days, with around 0.2 mm of rainfall over 0 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Pomona serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.3 hours of sunshine daily, and embrace the darker days in January, offering only 6.6 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Pomona in the United States of America
During the months of January, February, March, April, May and November 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:
August has an average maximum temperature of 34°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 19°C.
December tops the wettest month list with 77 mm of rainfall.
June is the driest month with 0 mm of precipitation.
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.
