Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift into April is marked by a modest rise in the average high-temperature, moving from March's enjoyable 65.7°F (18.7°C) to a pleasant 71.4°F (21.9°C). Contrary to the day's heat, an average low-temperature of 48.6°F (9.2°C) is recorded during the nights in April.Humidity
The average relative humidity in April is 53%.Rainfall
In Porterville, during April, the rain falls for 7.2 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Porterville, during the entire year, the rain falls for 52.3 days and collects up to 9.37" (238mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In April, the average length of the day in Porterville is 13h and 8min.On the first day of April, 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.
Sunshine
In Porterville, the average sunshine in April is 11h.UV index
In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during April leads to these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Porterville have in April?
What is the UV index reading in April?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
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).
Porterville, California, USA
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