Climate and monthly weather forecast
San Fernando, CA

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Weather in January

January, like December, in San Fernando, California, is another refreshing winter month, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.8°F (8.8°C). January's weather records an average high-temperature of a still enjoyable 63.1°F (17.3°C), showing little deviation from December. Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in San Fernando, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 63°F (17.2°C). The dawn of February sees an average high-temperature of a still comfortable 63°F (17.2°C), subtly contrasting with January's 63.1°F (17.3°C). Weather in February »

Weather in March

March, the first month of the spring in San Fernando, is still a refreshing month, with an average temperature varying between 66.6°F (19.2°C) and 48.2°F (9°C). With the advent of March, San Fernando's high-temperatures adjust to a still refreshing 66.6°F (19.2°C), closely aligning with the preceding month. Weather in March »

Weather in April

April is an agreeable spring month in San Fernando, California, with an average temperature ranging between max 70.3°F (21.3°C) and min 50.5°F (10.3°C). The initiation of April sees an average high-temperature of a pleasant 70.3°F (21.3°C), showing minor variations from the previous month. Weather in April »

Weather in May

May, the last month of the spring in San Fernando, is a moderately hot month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73.8°F (23.2°C). In May, San Fernando's weather conditions record an average high-temperature of a warm 73.8°F (23.2°C), demonstrating little divergence from the preceding month. Weather in May »

Weather in June

June, the first month of the summer in San Fernando, is still a warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 58.6°F (14.8°C). San Fernando's transition into June brings a slight rise in the average high-temperature, moving 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, the same as June, is another warm summer month in San Fernando, California, with an average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C). The introduction of July sees an average high-temperature of a still moderately hot 84.2°F (29°C), hardly deviating from June. Weather in July »

Weather in August

August, the last month of the summer in San Fernando, is also a moderately hot month, with an average temperature varying between 64.9°F (18.3°C) and 85.8°F (29.9°C). During the warmest month, August, temperatures average a high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C). For most parts of August, the heat index is estimated at a tropical 87.8°F (31°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in San Fernando, California, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 83.1°F (28.4°C). The advent of September reveals an average high-temperature of a still warm 83.1°F (28.4°C), showing minimal difference from the prior month. Weather in September »

Weather in October

October, like September, in San Fernando, California, is a moderately hot autumn month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 76.5°F (24.7°C). The advent of October brings a slight shift in average high-temperature, moving from 83.1°F (28.4°C) in September to a still moderately hot 76.5°F (24.7°C). Weather in October »

Weather in November

November, the last month of the autumn in San Fernando, is also an agreeable month, with an average temperature varying between 52.3°F (11.3°C) and 69.4°F (20.8°C). The transition to November results in a modest reduction in average high-temperature, moving 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

The first month of the winter, December, is still a refreshing month in San Fernando, California, with an average temperature fluctuating between 61.7°F (16.5°C) and 46.2°F (7.9°C). San Fernando's December weather reaches an average high of 61.7°F (16.5°C) and an average low of 46.2°F (7.9°C), making it the coldest month. Weather in December »
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Frequently asked questions

How much does it rain in San Fernando?

Throughout the year, in San Fernando, California, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

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

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

What is the wettest month in San Fernando?

February is the month with the most rainfall in San Fernando. Rain falls for 4.8 days and accumulates 1.54" (39mm) of precipitation.

When is Daylight Saving Time (DST) in San Fernando?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in San Fernando, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the most humid month in San Fernando?

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

What is the driest month in San Fernando?

June is the only month when rain does not fall.

When are the longest days in San Fernando?

With an average of 14h and 24min of daylight, June has the longest days of the year in San Fernando.

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

The months with the most sunshine are June and July, with an average of 12.1h of sunshine.

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

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

When does it rain in San Fernando?

Months with rainfall are January through May, July through December.

What time of the year is the hottest in San Fernando?

In San Fernando, August registers the highest temperatures, averaging 85.8°F (29.9°C) at the peak and 64.9°F (18.3°C) at the lowest.

What is the least humid month in San Fernando?

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

What time of the year is the coldest in San Fernando?

The coldest period is December, when temperatures fluctuate between an average high of 61.7°F (16.5°C) and a low of 46.2°F (7.9°C).

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

December has the shortest days of the year, with an average of 9h and 54min of daylight.

When is the lowest UV index in San Fernando?

The month with the lowest UV index is December, 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"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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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: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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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 UV index
San Fernando, CA

Average UV index - San Fernando, CA

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average visibility
San Fernando, CA

Average visibility - San Fernando, CA

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

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San Fernando, California, USA

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