April weather forecast and climate
San Fernando, CA

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).

Temperature

In San Fernando, the average high-temperature is almost the same as in March - an agreeable 70.3°F (21.3°C). In April, the average low-temperature is 50.5°F (10.3°C).

Humidity

The average relative humidity is 55%.

Rainfall

In San Fernando, it is raining for 4.3 days, with typically 0.39" (10mm) of accumulated precipitation. In San Fernando, during the entire year, the rain falls for 39.8 days and collects up to 7.52" (191mm) of precipitation.

Daylight

In April, the average length of the day is 13.1h.

Sunshine

In San Fernando, California, the average sunshine is 11.2h.

UV index

In San Fernando, California, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in San Fernando?

In San Fernando, in April, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in April in San Fernando?

The average relative humidity in April in San Fernando is 55%.

How many days does it rain in April in San Fernando?

In San Fernando, California, in April, it is raining for 4.3 days, with typically 0.39" (10mm) of accumulated precipitation.

How many hours of daylight does San Fernando have in April?

In April, the average length of the day in San Fernando, California, is 13.1h.

How long on average sun shines in April in San Fernando?

In San Fernando, California, the average sunshine in April is 11.2h.

What is the UV index intensity in April in San Fernando?

The average daily maximum UV index in April in San Fernando, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in April
San Fernando, CA

Average temperature in April - San Fernando, CA
  • Average high temperature in April: 70.3°F

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).

  • Average low temperature in April: 50.5°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 in April
San Fernando, CA

Average pressure in April - San Fernando, CA
  • Average pressure in April: 29.98"

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 in April
San Fernando, CA

Average wind speed in April - San Fernando, CA
  • Average wind speed in April: 6.1mph

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 humidity in April
San Fernando, CA

Average humidity in April - San Fernando, CA
  • Average humidity in April: 55%

The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).

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Average rainfall in April
San Fernando, CA

Average rainfall in April - San Fernando, CA
  • Average rainfall in April: 0.39"

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 in April
San Fernando, CA

Average rainfall days in April - San Fernando, CA
  • Average rainfall days in April: 4.3 days

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 in April /
Average sunshine in April
San Fernando, CA

Average daylight in April / Average sunshine in April - San Fernando, CA
  • Average daylight in April: 13.1h

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

  • Average sunshine in April: 11.2h

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 in April
San Fernando, CA

Average sunshine days in April - San Fernando, CA
  • Average sunshine days in April: 25.5 days

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 in April
San Fernando, CA

Average UV index in April - San Fernando, CA
  • Average UV index in April: 5

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 cloud cover in April
San Fernando, CA

Average cloud cover in April - San Fernando, CA
  • Average cloud cover in April: 16

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in April
San Fernando, CA

Average visibility in April - San Fernando, CA
  • Average visibility in April: 6mi

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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