Monthly weather forecast and climate
San Fernando, CA

Weather in January

January, the same as December, is another comfortable winter month in San Fernando, California, with average temperature ranging between min 47.8°F (8.8°C) and max 63.1°F (17.3°C). In San Fernando, California, the average high-temperature in January is relatively the same as in December - a still comfortable 63.1°F (17.3°C). Weather in January »

Weather in February

February, the last month of the winter, in San Fernando, is also an enjoyable month, with average temperature varying between 46.4°F (8°C) and 63°F (17.2°C). In February, the average high-temperature is relatively the same as in January - a still comfortable 63°F (17.2°C). Weather in February »

Weather in March

March, the first month of the spring, in San Fernando, is also an enjoyable month, with average temperature varying between 48.2°F (9°C) and 66.6°F (19.2°C). In San Fernando, the average high-temperature is practically the same as in February - a still enjoyable 66.6°F (19.2°C). Weather in March »

Weather in April

April is a pleasant spring month in San Fernando, California, with average temperature fluctuating between 70.3°F (21.3°C) and 50.5°F (10.3°C). In San Fernando, the average high-temperature is almost the same as in March - an agreeable 70.3°F (21.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in San Fernando, California, with average temperature ranging between min 54.5°F (12.5°C) and max 73.8°F (23.2°C). In May, the average high-temperature is relatively the same as in April - a warm 73.8°F (23.2°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in San Fernando, California, with average temperature fluctuating between 58.6°F (14.8°C) and 79.3°F (26.3°C). In San Fernando, California, the average high-temperature in June marginally rises, from 73.8°F (23.2°C) in May, to a still warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in San Fernando, California, is another warm summer month, with average temperature varying between 64°F (17.8°C) and 84.2°F (29°C). In San Fernando, the average high-temperature is practically the same as in June - a still warm 84.2°F (29°C). Weather in July »

Weather in August

August, the last month of the summer, in San Fernando, is another warm month, with average temperature varying between 64.9°F (18.3°C) and 85.8°F (29.9°C). August is the warmest month, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.9°F (18.3°C). In August, the average heat index is appraised at a hot 88°F (31.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in San Fernando, is still a warm month, with average temperature varying between 83.1°F (28.4°C) and 62.6°F (17°C). In San Fernando, the average high-temperature is practically the same as in August - a still moderately hot 83.1°F (28.4°C). Weather in September »

Weather in October

October, like September, in San Fernando, California, is a moderately hot autumn month, with average temperature fluctuating between 76.5°F (24.7°C) and 58.5°F (14.7°C). In October, the average high-temperature slightly decreases, from 83.1°F (28.4°C) in September, to a still warm 76.5°F (24.7°C). Weather in October »

Weather in November

November, the last month of the autumn, in San Fernando, is another pleasant month, with average temperature ranging between max 69.4°F (20.8°C) and min 52.3°F (11.3°C). In San Fernando, the average high-temperature slightly decreases, from a moderately hot 76.5°F (24.7°C) in October, to a pleasant 69.4°F (20.8°C). Weather in November »

Weather in December

December, the first month of the winter, in San Fernando, is also an enjoyable month, with average temperature fluctuating between 46.2°F (7.9°C) and 61.7°F (16.5°C). With an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in San Fernando?

In San Fernando, California, during the entire year, the rain falls for 39.8 days and collects up to 7.52" (191mm) of precipitation.

What is the month with the least sunshine in San Fernando?

Months with the least sunshine in San Fernando are January, February and December, with an average of 6.8h of sunshine.

What is the rainiest month in San Fernando?

The month with the most rainfall in San Fernando is February when the rain falls for 4.8 days and typically aggregates up to 1.54" (39mm) of precipitation.

What is the most humid month in San Fernando?

June is the most humid month, with an average relative humidity of 58%.

What is the driest month in San Fernando?

The only month without rainfall is June.

When are the longest days in San Fernando?

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

What are the months with the most sunshine in San Fernando?

June and July, with an average of 12.1h of sunshine, are months with the most sunshine in San Fernando, California.

What are the months with the highest UV index in San Fernando?

Months with the highest UV index in San Fernando are June through September, with an average maximum UV index of 6.

When does it rain in San Fernando?

January through May, July through December are months with rainfall in San Fernando.

What is the warmest month in San Fernando?

The warmest month is August, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.9°F (18.3°C).

What is the least humid month in San Fernando?

November is the least humid month in San Fernando, California, with an average relative humidity of 47%.

What is the coldest month in San Fernando?

The coldest month is December, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C).

What is the month with the shortest days in San Fernando?

The month with the shortest days in San Fernando is December, with an average of 9.9h of daylight.

What is the month with the lowest UV index in San Fernando?

December is the month with the lowest UV index in San Fernando, with an average maximum UV index of 3.

Average temperature
San Fernando, CA

Average temperature - San Fernando, CA

The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is December (61.7°F).

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).

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Average pressure
San Fernando, CA

Average pressure - San Fernando, CA

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.89").

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Average wind speed
San Fernando, CA

Average wind speed - San Fernando, CA

The windiest months (with the highest average wind speed) are January and December (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average rainfall
San Fernando, CA

Average rainfall - San Fernando, CA

The wettest month (with the highest rainfall) is February (1.54").
The driest month (with the least rainfall) is June (0").

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Average rainfall days
San Fernando, CA

Average rainfall days - San Fernando, CA

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight / Average sunshine
San Fernando, CA

Average daylight / Average sunshine - San Fernando, CA

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

Months with the most sunshine are June and July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

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Average sunshine days
San Fernando, CA

Average sunshine days - San Fernando, CA

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is February (22.9 days).

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Average visibility
San Fernando, CA

Average visibility - San Fernando, 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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