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 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
With the onset of April, Mount Wilson's average high-temperature clocks in at an agreeable 68.9°F (20.5°C), showing a minor fluctuation from the previous month. Mount Wilson records a steady low-temperature average of 47.8°F (8.8°C) during April.Humidity
The average relative humidity in April is 54%.Rainfall
In Mount Wilson, in April, during 5.2 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 50.3 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Mount Wilson. April is the last month it regularly snows. During 0.4 snowfall days, in April, Mount Wilson aggregates 1.18" (30mm) of snow. Throughout the year, there are 3.5 snowfall days, and 7.32" (186mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 4min.On the first day of April, sunrise is at 6:38 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:36 pm PDT.
Sunshine
In April, the average sunshine is 11.4h.UV index
In Mount Wilson, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are the temperatures in Mount Wilson in April?
What is the average humidity in April in Mount Wilson?
How many days does it rain in April in Mount Wilson?
What is the last month it snows in Mount Wilson?
What is the average length of the day in April in Mount Wilson?
When is the sunrise / sunset in April in Mount Wilson?
How many hours of sunshine does Mount Wilson have in April?
How high is the UV index in April in Mount Wilson?
Average temperature in April
Mount Wilson, CA
- Average high temperature in April: 68.9°F
The warmest month (with the highest average high temperature) is August (86.2°F).
The month with the lowest average high temperature is December (58.5°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).
Average pressure in April
Mount Wilson, CA
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Mount Wilson, CA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in April
Mount Wilson, CA
- Average humidity in April: 54%
The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is August (45%).
Average rainfall in April
Mount Wilson, CA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Mount Wilson, CA
- Average rainfall days in April: 5.2 days
The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in April
Mount Wilson, CA
- Average snowfall in April: 1.18"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Mount Wilson, CA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Mount Wilson, 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 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in April
Mount Wilson, CA
- Average sunshine days in April: 24.3 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.4 days).
Average UV index in April
Mount Wilson, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in April
Mount Wilson, CA
- Average cloud cover in April: 16
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in April
Mount Wilson, 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).
Mount Wilson, California, USA
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