Pomona
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Pomona, CA

Trails in the rural mountainous region of Pomona, California, with scenic slopes and dense population down below, a warm sunny day
Trails in the rural mountainous region of Pomona, California, with scenic slopes and dense population down below, a warm sunny day
January, like December, is an agreeable winter month in Pomona, California, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 68°F (20°C). The coldest months are January and December, with an average high-temperature of 68°F (20°C). Weather in January »
February, the last month of the winter, in Pomona, is another pleasant month, with average temperature ranging between max 69.1°F (20.6°C) and min 45°F (7.2°C). In Pomona, the average high-temperature is essentially the same as in January - a still pleasant 69.1°F (20.6°C). Weather in February »

The first month of the spring, March, is still a pleasant month in Pomona, California, with average temperature ranging between min 46.9°F (8.3°C) and max 71.1°F (21.7°C). In March, the average high-temperature is essentially the same as in February - a still pleasant 71.1°F (21.7°C). Weather in March »

April in Pomona, California, is a warm spring month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 48.9°F (9.4°C). In Pomona, the average high-temperature is essentially the same as in March - a moderately hot 75.9°F (24.4°C). Weather in April »

May, the last month of the spring, in Pomona, is also a moderately hot month, with average temperature ranging between min 54°F (12.2°C) and max 79°F (26.1°C). In Pomona, the average high-temperature in May is almost the same as in April - a still moderately hot 79°F (26.1°C). Weather in May »

The first month of the summer, June, is also a moderately hot month in Pomona, California, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 84°F (28.9°C). In June, the average high-temperature is practically the same as in May - a still moderately hot 84°F (28.9°C). Weather in June »

July in Pomona, California, is a hot summer month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 90°F (32.2°C). In Pomona, the average high-temperature in July slightly increases, from a moderately hot 84°F (28.9°C) in June, to a hot 90°F (32.2°C). Weather in July »

August, the last month of the summer, in Pomona, is also a hot month, with average temperature varying between 91.9°F (33.3°C) and 62.1°F (16.7°C). August is the warmest month, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 62.1°F (16.7°C). Weather in August »

The first month of the autumn, September, is also a hot month in Pomona, California, with average temperature varying between 89.1°F (31.7°C) and 60.1°F (15.6°C). In September, the average high-temperature is practically the same as in August - a still tropical 89.1°F (31.7°C). Weather in September »

October, the same as September, is another warm autumn month in Pomona, California, with average temperature varying between 55°F (12.8°C) and 80.1°F (26.7°C). In Pomona, California, the average high-temperature drops, from a tropical 89.1°F (31.7°C) in September, to a moderately hot 80.1°F (26.7°C). Weather in October »

November, the last month of the autumn, in Pomona, is also a moderately hot month, with average temperature fluctuating between 46.9°F (8.3°C) and 73.9°F (23.3°C). In Pomona, the average high-temperature marginally drops, from a moderately hot 80.1°F (26.7°C) in October, to a still warm 73.9°F (23.3°C). Weather in November »

December, the first month of the winter, in Pomona, is also an agreeable month, with temperature in the range of an average high of 68°F (20°C) and an average low of 42.1°F (5.6°C). January and December, with an average high-temperature of 68°F (20°C), are the coldest months. Weather in December »

What are the coldest months in Pomona?

The coldest months are January and December, with an average high-temperature of 68°F (20°C).

How much does it rain in Pomona?

During the entire year, Pomona aggregates up to 17.3" (439.9mm) of precipitation.

What is the wettest month in Pomona?

The month with the most rainfall in Pomona is February when 4.8" (120.9mm) of precipitation is typically aggregated.

When are the longest days in Pomona?

The month with the longest days in Pomona is June, with an average of 14.4h of daylight.

What is the driest month in Pomona?

July is the only month when rain does not fall in Pomona, California.

What is the warmest month in Pomona?

August is the warmest month in Pomona, California, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 62.1°F (16.7°C).

When does it rain in Pomona?

January through June, August through December are months with rainfall.

What is the month with the shortest days in Pomona?

With an average of 9.9h of daylight, December has the shortest days of the year in Pomona.
Average rainfall - Pomona, CA
Average daylight - Pomona, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).