April weather forecast
Porter Ranch, CA

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Weather in April

April is an agreeable spring month in Porter Ranch, California, with an average temperature fluctuating between 70.3°F (21.3°C) and 50.5°F (10.3°C).

Temperature

The dawn of April sees an average high-temperature of a pleasant 70.3°F (21.3°C), subtly contrasting with March's 66.6°F (19.2°C). Porter Ranch experiences an average low-temperature of 50.5°F (10.3°C) in month of April.

Humidity

The average relative humidity in April is 55%.

Rainfall

In Porter Ranch, California, in April, during 4.3 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

Daylight

The average length of the day in April is 13h and 4min.
On the first day of April, sunrise is at 6:40 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:38 pm PDT.

Sunshine

The average sunshine in April is 11.2h.

UV index

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 5 in April translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the average April temperature in Porter Ranch?

An average high-temperature, in April, in Porter Ranch, 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 Porter Ranch?

In April, the average relative humidity in Porter Ranch, California, is 55%.

How many days does it rain in April in Porter Ranch?

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

What is the average length of the day in April in Porter Ranch?

In Porter Ranch, California, the average day length in April is 13h and 4min.

What time are sunrise and sunset in April in Porter Ranch?

On the first day of April, sunrise is at 6:40 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:38 pm PDT.

How many hours of sunshine does Porter Ranch have in April?

The average sunshine duration in April in Porter Ranch, California, is 11.2h.

What is the UV index reading in April in Porter Ranch?

The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Porter Ranch, CA

Average temperature in April - Porter Ranch, 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
Porter Ranch, CA

Average pressure in April - Porter Ranch, 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).

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Average wind speed in April
Porter Ranch, CA

Average wind speed in April - Porter Ranch, 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
Porter Ranch, CA

Average humidity in April - Porter Ranch, 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
Porter Ranch, CA

Average rainfall in April - Porter Ranch, 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
Porter Ranch, CA

Average rainfall days in April - Porter Ranch, 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
Porter Ranch, CA

Average daylight in April / Average sunshine in April - Porter Ranch, 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).

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Average sunshine days in April
Porter Ranch, CA

Average sunshine days in April - Porter Ranch, 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
Porter Ranch, CA

Average UV index in April - Porter Ranch, 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).

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Average cloud cover in April
Porter Ranch, CA

Average cloud cover in April - Porter Ranch, 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
Porter Ranch, CA

Average visibility in April - Porter Ranch, 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).

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Porter Ranch, California, USA

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