Monthly weather forecast and climate
Riverside, CA

A dusk view of the neon-lit buildings of Riverside, California, and a part of the dusk sky and a silhouette of the high mountain in the back
A dusk view of the neon-lit buildings of Riverside, California, and a part of the dusk sky and a silhouette of the high mountain in the back
January, the same as December, in Riverside, California, is a pleasant winter month, with average temperature ranging between min. 43°F (6.1°C) and max. 69.1°F (20.6°C). In Riverside, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 43°F (6.1°C). Weather in January »
February, the last month of the winter, in Riverside, is another pleasant month, with average temperature ranging between max. 69.8°F (21°C) and min. 44.6°F (7°C). In February, the average high-temperature is 69.8°F (21°C), and the average low-temperature is 44.6°F (7°C). Weather in February »

The first month of the spring, March, is still a pleasant month in Riverside, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 73°F (22.8°C). The average high-temperature, in March, is 73°F (22.8°C), while the average low-temperature is 46.4°F (8°C). Weather in March »

April is a warm spring month in Riverside, California, with average temperature ranging between max. 77.5°F (25.3°C) and min. 50°F (10°C). In Riverside, California, in April, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 50°F (10°C). Weather in April »

May, the last month of the spring, in Riverside, is also a warm month, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 82.6°F (28.1°C). The average high-temperature, in May, is 82.6°F (28.1°C), while the average low-temperature is 55.2°F (12.9°C). Weather in May »

June, the first month of the summer, in Riverside, is a hot month, with average temperature fluctuating between 88.5°F (31.4°C) and 59.4°F (15.2°C). The average high-temperature, is 88.5°F (31.4°C), while the average low-temperature is 59.4°F (15.2°C). Weather in June »

July is a torrid summer month in Riverside, California, with average temperature fluctuating between 95°F (35°C) and 64°F (17.8°C). In July, the average high-temperature is 95°F (35°C), and the average low-temperature is 64°F (17.8°C). Weather in July »

The last month of the summer, August, is another very hot month in Riverside, California, with average temperature varying between 64.6°F (18.1°C) and 96.1°F (35.6°C). With an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 64.6°F (18.1°C), August is the warmest month. Weather in August »

The first month of the autumn, September, is still a hot month in Riverside, California, with average temperature ranging between max. 92.3°F (33.5°C) and min. 61.3°F (16.3°C). In September, in Riverside, California, the average high-temperature is 92.3°F (33.5°C), and the average low-temperature is 61.3°F (16.3°C). Weather in September »

October, the same as September, is a warm autumn month in Riverside, California, with average temperature ranging between max. 83.5°F (28.6°C) and min. 54.7°F (12.6°C). In Riverside, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 54.7°F (12.6°C). Weather in October »

The last month of the autumn, November, is another warm month in Riverside, California, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 74.8°F (23.8°C). In Riverside, California, in November, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 46.6°F (8.1°C). Weather in November »

The first month of the winter, December, is also a pleasant month in Riverside, California, with average temperature fluctuating between 68.5°F (20.3°C) and 41.7°F (5.4°C). The coldest month is December, with an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 41.7°F (5.4°C). Weather in December »

How many days does it rain in Riverside?

In Riverside, during the entire year, the rain falls for 30.4 days and collects up to 10.3" (262.5mm) of precipitation.

What is the rainiest month in Riverside?

The month with the most rainfall in Riverside, California, is February when the rain falls for 5.9 days and typically aggregates up to 2.5" (63.8mm) of precipitation.

When are the longest days in Riverside?

June has the longest days of the year, with an average of 14.4h of daylight.

What is the driest month in Riverside?

The month with the least rainfall in Riverside is July when the rain falls for 0.5 days and typically collects 0" (1mm) of precipitation.

What is the warmest month in Riverside?

August is the warmest month in Riverside, California, with an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 64.6°F (18.1°C).

What is the coldest month in Riverside?

December is the coldest month in Riverside, with an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 41.7°F (5.4°C).

What is the month with the shortest days in Riverside?

December has the shortest days of the year in Riverside, with an average of 9.9h of daylight.
Average temperature - Riverside, CA
Average rainfall - Riverside, CA
Average rainfall days - Riverside, CA

The month with the highest number of rainy days is February (5.9 days).
Months with the lowest number of rainy days are June and August (0.3 days).

Average daylight - Riverside, CA

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

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