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 arrival of April brings an average high-temperature of a refreshing 57.2°F (14°C), nearly identical to March's 54.9°F (12.7°C). An average low-temperature of 45.7°F (7.6°C) is recorded in the month of April in Island Mountain.Humidity
In April, the average relative humidity is 78%.Rainfall
In Island Mountain, California, in April, it is raining for 10.9 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 102.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
In Island Mountain, California, snow does not fall in January, March through December.Daylight
In April, the average length of the day in Island Mountain is 13h and 18min.On the first day of April in Island Mountain, sunrise is at 6:56 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:08 pm PDT.
Sunshine
In April, the average sunshine in Island Mountain is 9.2h.UV index
In Island Mountain, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during April translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the usual temperature for Island Mountain in April?
What is the average humidity in April in Island Mountain?
How much does it rain in Island Mountain in April?
When it does not snow in Island Mountain?
How many hours of daylight does Island Mountain have in April?
When are sunrise and sunset in April in Island Mountain?
How many hours of sunshine does Island Mountain have in April?
What is the UV index intensity in April in Island Mountain?
Average temperature in April
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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
Island Mountain, 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).
Island Mountain, California, USA
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