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
April's arrival registers an average high-temperature of a refreshing 57.2°F (14°C), closely aligning with the temperature of the previous month. Throughout the month of April, Whitethorn observes an average nighttime temperature of 45.7°F (7.6°C).Humidity
In April, the average relative humidity is 78%.Rainfall
In April, the rain falls for 10.9 days. Throughout April, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 102.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Whitethorn.Daylight
In Whitethorn, the average length of the day in April is 13h and 18min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:15 am and sunset at 8:10 pm PDT.
Sunshine
In April, the average sunshine in Whitethorn is 9.2h.UV index
In Whitethorn, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in April translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the temperature in April in Whitethorn?
What is the average humidity in April in Whitethorn?
How many days does it rain in April in Whitethorn?
When it does not snow in Whitethorn?
What is the average length of the day in April in Whitethorn?
When is the sunrise / sunset in April in Whitethorn?
How many hours of sunshine does Whitethorn have in April?
What is the UV index intensity in April in Whitethorn?
Average temperature in April
Whitethorn, CA
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in April: 45.7°F
The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in April
Whitethorn, CA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).
Average wind speed in April
Whitethorn, CA
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).
Average humidity in April
Whitethorn, CA
- Average humidity in April: 78%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).
Average rainfall in April
Whitethorn, CA
- Average rainfall in April: 2.05"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Whitethorn, CA
- Average rainfall days in April: 10.9 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).
Average snowfall days in April
Whitethorn, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.1 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
Whitethorn, CA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Whitethorn, CA
- Average sunshine days in April: 17.7 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in April
Whitethorn, CA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in April
Whitethorn, CA
- Average cloud cover in April: 36
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in April
Whitethorn, 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).
Whitethorn, California, USA
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