April weather forecast
San Fernando, CA

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Weather in April

April in San Fernando, California, is an agreeable spring month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 50.5°F (10.3°C).

Temperature

April welcomes an average high-temperature of a pleasant 70.3°F (21.3°C), not much different from the preceding month. San Fernando reports an average nighttime low-temperature of 50.5°F (10.3°C) in April.

Humidity

The average relative humidity in April is 55%.

Rainfall

In San Fernando, in April, during 4.3 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. 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 13h and 4min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:15 pm. On the last day of April, sunrise is at 6:04 am and sunset at 7:37 pm PDT.

Sunshine

In April, the average sunshine is 11.2h.

UV index

In San Fernando, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In April, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature, in April, in San Fernando, records 70.3°F (21.3°C), while the low-temperature is 50.5°F (10.3°C).

What is the average humidity in April?

The average relative humidity in April is 55%.

How many days does it rain in April?

In San Fernando, in April, during 4.3 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

What is the average length of the day in April?

In San Fernando, the average day length in April is 13h and 4min.

When are sunrise and sunset in April in San Fernando?

In April, on the first day of the month, sunrise is at 6:39 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:37 pm PDT.

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

In April, the average sunshine duration is 11.2h.

What is the UV index intensity in April?

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in April
San Fernando, CA

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

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

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).

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%).

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").

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).

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: 13h and 1min

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).

  • Average sunshine in April: 11h and 1min

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).

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).

Average UV index in April
San Fernando, CA

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

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).

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).

Average visibility in April
San Fernando, CA

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

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).

San Fernando, California, USA

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