Monthly weather forecast and climate
Richmond, CA

Richmond and Golden Gate residential districts as split by the scenic natural park
Richmond and Golden Gate residential districts as split by the scenic natural park

Weather in January

January, like December, is another mild winter month in Richmond, California, with average temperature ranging between min 44.8°F (7.1°C) and max 56.3°F (13.5°C). In Richmond, the average high-temperature is essentially the same as in December - a still moderate 56.3°F (13.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Richmond, California, with average temperature varying between 58.8°F (14.9°C) and 45.3°F (7.4°C). In February, the average high-temperature is relatively the same as in January - a still mild 58.8°F (14.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Richmond, is a comfortable month, with average temperature varying between 60.8°F (16°C) and 46.4°F (8°C). In March, the average high-temperature is relatively the same as in February - an enjoyable 60.8°F (16°C). Weather in March »

Weather in April

April, like March, in Richmond, California, is another enjoyable spring month, with average temperature varying between 64.9°F (18.3°C) and 47.8°F (8.8°C). In Richmond, the average high-temperature in April is essentially the same as in March - a still comfortable 64.9°F (18.3°C). Weather in April »

Weather in May

The last month of the spring, May, is another comfortable month in Richmond, California, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 67.6°F (19.8°C). In May, the average high-temperature is practically the same as in April - a still comfortable 67.6°F (19.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Richmond, is a pleasant month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 73°F (22.8°C). In Richmond, California, the average high-temperature in June slightly increases, from an enjoyable 67.6°F (19.8°C) in May, to an agreeable 73°F (22.8°C). Weather in June »

Weather in July

July is a moderately hot summer month in Richmond, California, with average temperature fluctuating between 74.7°F (23.7°C) and 55.2°F (12.9°C). In Richmond, California, the average high-temperature in July is essentially the same as in June - a warm 74.7°F (23.7°C). Weather in July »

Weather in August

August, the last month of the summer, in Richmond, is also a moderately hot month, with average temperature varying between 74.7°F (23.7°C) and 56.3°F (13.5°C). In Richmond, California, the average high-temperature in August remains the same as in July - a still moderately hot 74.7°F (23.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Richmond, California, with average temperature fluctuating between 75.7°F (24.3°C) and 56.5°F (13.6°C). With an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 56.5°F (13.6°C), September is the warmest month. Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Richmond, California, with average temperature varying between 70.3°F (21.3°C) and 54.7°F (12.6°C). In October, the average high-temperature marginally drops, from a moderately hot 75.7°F (24.3°C) in September, to a pleasant 70.3°F (21.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Richmond, is also an enjoyable month, with average temperature fluctuating between 62.6°F (17°C) and 49.1°F (9.5°C). In Richmond, California, the average high-temperature in November marginally drops, from a pleasant 70.3°F (21.3°C) in October, to an enjoyable 62.6°F (17°C). Weather in November »

Weather in December

December, the first month of the winter, in Richmond, is also a moderate month, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 45°F (7.2°C). With an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 45°F (7.2°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Richmond?

In Richmond, during the entire year, the rain falls for 64.5 days and collects up to 5.98" (152mm) of precipitation.

What is the month with the lowest UV index in Richmond?

Months with the lowest UV index in Richmond, California, are January, February, November and December, with an average maximum UV index of 3.

What is the wettest month in Richmond?

The month with the most rainfall in Richmond, California, is February when the rain falls for 7.1 days and typically aggregates up to 1.38" (35mm) of precipitation.

What is the most humid month in Richmond?

With an average relative humidity of 75%, March is the most humid month in Richmond.

When is the ocean coldest in Richmond?

Through and June, with an average ocean temperature of 53.1°F (11.7°C).

When is the highest UV index in Richmond?

Months with the highest UV index in Richmond, California, are April through September, with an average maximum UV index of 5.

What is the driest month in Richmond?

June through September are months with the least rain in Richmond when the rain falls for 2 days and typically aggregates up to 0.08" (2mm) of rain.

When are the longest days in Richmond?

With an average of 14.8h of daylight, June has the longest days of the year in Richmond.

What month has the most sunshine in Richmond?

July has the most sunshine of the year, with an average of 11.8h of sunshine.

What is the warmest month in Richmond?

With an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 56.5°F (13.6°C), September is the warmest month.

When is the ocean warmest in Richmond?

With an average ocean temperature of 57.4°F (14.1°C), September is the month with the warmest seawater in Richmond, California.

What is the least humid month in Richmond?

October is the least humid month, with an average relative humidity of 65%.

What is the coldest month in Richmond?

The coldest month in Richmond, California, is December, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 45°F (7.2°C).

What is the month with the shortest days in Richmond?

The month with the shortest days is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in Richmond?

December has the least sunshine of the year, with an average of 5.7h of sunshine.

Average temperature
Richmond, CA

Average temperature - Richmond, CA

The warmest month (with the highest average high temperature) is September (75.7°F).
The month with the lowest average high temperature is December (55.6°F).

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).

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Average pressure
Richmond, CA

Average pressure - Richmond, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed
Richmond, CA

Average wind speed - Richmond, CA

The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).

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Average rainfall
Richmond, CA

Average rainfall - Richmond, CA

The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are June, July, August and September (0.08").

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Average rainfall days
Richmond, CA

Average rainfall days - Richmond, CA

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (2 days).

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Average sea temperature
Richmond, CA

Average sea temperature - Richmond, CA

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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Average daylight / Average sunshine
Richmond, CA

Average daylight / Average sunshine - Richmond, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days
Richmond, CA

Average sunshine days - Richmond, CA

The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index
Richmond, CA

Average UV index - Richmond, CA

Months with the highest UV index are April, May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Richmond, CA

Average visibility - Richmond, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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