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 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
Willowbrook observes an average high-temperature of an agreeable 69.4°F (20.8°C) in April, barely different from 67.1°F (19.5°C) in March. April brings with it a nighttime average temperature of 54.5°F (12.5°C).Humidity
In April, the average relative humidity is 61%.Rainfall
In Willowbrook, during April, the rain falls for 5.1 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Willowbrook, during the entire year, the rain falls for 49.7 days and collects up to 6.77" (172mm) of precipitation.Daylight
In Willowbrook, the average length of the day in April is 13h and 4min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:14 pm. On the last day of April, in Willowbrook, sunrise is at 6:03 am and sunset at 7:36 pm PDT.
Sunshine
In Willowbrook, California, the average sunshine in April is 11h.UV index
In April, the average daily maximum UV index in Willowbrook is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In April, a regular UV index of 5 translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Willowbrook?
What is the average humidity in April in Willowbrook?
How many days does it rain in April in Willowbrook?
How many hours of daylight does Willowbrook have in April?
When is the sunrise / sunset in April in Willowbrook?
How long on average sun shines in April in Willowbrook?
How high is the UV index in April in Willowbrook?
Average temperature in April
Willowbrook, CA
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in April: 54.5°F
The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).
Average pressure in April
Willowbrook, CA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in April
Willowbrook, CA
- Average wind speed in April: 6.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).
Average humidity in April
Willowbrook, CA
- Average humidity in April: 61%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).
Average rainfall in April
Willowbrook, CA
- Average rainfall in April: 0.43"
The wettest months (with the highest rainfall) are January and February (1.26").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Willowbrook, CA
- Average rainfall days in April: 5.1 days
The month with the highest number of rainy days is March (7 days).
The month with the least rainy days is June (1.3 days).
Average daylight in April /
Average sunshine in April
Willowbrook, 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 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Willowbrook, CA
- Average sunshine days in April: 23.4 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in April
Willowbrook, 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 January, February, November and December (UV index 4).
Average cloud cover in April
Willowbrook, CA
- Average cloud cover in April: 19
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 6).
Average visibility in April
Willowbrook, 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).
Willowbrook, California, USA
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