April weather forecast
Porterville, CA

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Weather in April

April is a pleasant spring month in Porterville, California, with an average temperature varying between 48.6°F (9.2°C) and 71.4°F (21.9°C).

Temperature

The beginning of April marks a minor shift in the average high-temperature, moving from March's comfortable 65.7°F (18.7°C) to a pleasant 71.4°F (21.9°C). Porterville experiences a significant reduction from daytime highs with an average low-temperature of 48.6°F (9.2°C) in April.

Humidity

In April, the average relative humidity in Porterville is 53%.

Rainfall

In Porterville, in April, during 7.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Porterville, there are 52.3 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Porterville.

Daylight

In April, the average length of the day is 13h and 8min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:18 pm. On the last day of April, sunrise is at 6:03 am and sunset at 7:43 pm PDT.

Sunshine

In Porterville, the average sunshine in April is 11h.

UV index

The average daily maximum UV index in April in Porterville is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In April, a regular UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What is the temperature in April in Porterville?

In April, in Porterville, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in April in Porterville?

In April, the average relative humidity in Porterville, California, is 53%.

How many days does it rain in April in Porterville?

In Porterville, California, during April, the rain falls for 7.2 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When it does not snow in Porterville?

In Porterville, snow does not fall in January, March through December.

What is the average length of the day in April in Porterville?

In Porterville, California, the average day length in April is 13h and 8min.

When is the sunrise / sunset in April in Porterville?

On the first day of April in Porterville, California, sunrise is at 6:40 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:43 pm PDT.

How many hours of sunshine does Porterville have in April?

In Porterville, the average sunshine duration in April is 11h.

What is the UV index intensity in April in Porterville?

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

Average temperature in April
Porterville, CA

Average temperature in April - Porterville, CA
  • Average high temperature in April: 71.4°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in April: 48.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

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Average pressure in April
Porterville, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in April
Porterville, CA

Average wind speed in April - Porterville, CA
  • Average wind speed in April: 5mph

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).

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Average humidity in April
Porterville, CA

Average humidity in April - Porterville, CA
  • Average humidity in April: 53%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in April
Porterville, CA

Average rainfall in April - Porterville, CA
  • Average rainfall in April: 0.94"

The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in April
Porterville, CA

Average rainfall days in April - Porterville, CA
  • Average rainfall days in April: 7.2 days

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).

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Average snowfall days in April
Porterville, CA

Average snowfall days in April - Porterville, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in April /
Average sunshine in April
Porterville, CA

Average daylight in April / Average sunshine in April - Porterville, CA
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in April: 11h and 0min

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

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Average sunshine days in April
Porterville, CA

Average sunshine days in April - Porterville, CA
  • Average sunshine days in April: 22.9 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).

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Average UV index in April
Porterville, CA

Average UV index in April - Porterville, CA
  • Average UV index in April: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in April
Porterville, CA

Average cloud cover in April - Porterville, CA
  • Average cloud cover in April: 18

The month with the most cloud cover is March (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 4).

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Average visibility in April
Porterville, CA

Average visibility in April - Porterville, 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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Porterville, California, USA

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