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 signals a modest temperature shift, moving from a refreshing 63.1°F (17.3°C) in March to an agreeable 69.8°F (21°C). Following the sharp contrast to daytime warmth, an average nighttime temperature of 46.2°F (7.9°C) gets registered in Wilton during April.Humidity
In Wilton, the average relative humidity in April is 69%.Rainfall
In April, in Wilton, the rain falls for 8.8 days. Throughout April, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 73.3 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:28 pm. On the last day of April, in Wilton, California, sunrise is at 6:08 am and sunset at 7:56 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
In Wilton, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in April translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Wilton?
What is the average humidity in April in Wilton?
How many days does it rain in April in Wilton?
When it does not snow in Wilton?
How many hours of daylight does Wilton have in April?
When is the sunrise / sunset in April in Wilton?
How many hours of sunshine does Wilton have in April?
What is the UV index reading in April in Wilton?
Average temperature in April
Wilton, CA
- Average high temperature in April: 69.8°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is August (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).
Average pressure in April
Wilton, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Wilton, CA
- Average wind speed in April: 5.1mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in April
Wilton, CA
- Average humidity in April: 69%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).
Average rainfall in April
Wilton, CA
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Wilton, CA
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June, July and August (1.4 days).
Average snowfall days in April
Wilton, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Wilton, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 10h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Wilton, CA
- Average sunshine days in April: 20.3 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in April
Wilton, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Wilton, CA
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Wilton, 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).
Wilton, California, USA
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