April weather forecastWillow Creek, CA
April
Weather in April
April in Willow Creek, California, is a refreshing spring month, with an average temperature ranging between min 43.5°F (6.4°C) and max 56.1°F (13.4°C).Temperature
Willow Creek signifies an average high-temperature of a moderate 56.1°F (13.4°C) in April, closely mirroring the 53.2°F (11.8°C) of March. In Willow Creek, an average temperature of 43.5°F (6.4°C) is noted during April nights.Humidity
In April, the average relative humidity is 80%.Rainfall
In Willow Creek, California, during April, the rain falls for 13.1 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Willow Creek, there are 114.9 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
In Willow Creek, snow does not fall in January, March through December.Daylight
In Willow Creek, the average length of the day in April is 13h and 20min.On the first day of April in Willow Creek, sunrise is at 6:56 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:10 pm PDT.
Sunshine
The average sunshine in April is 8.7h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 4 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Willow Creek, CA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure in April
Willow Creek, CA
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in April
Willow Creek, CA
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Willow Creek, CA
- Average humidity in April: 80%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in April
Willow Creek, CA
- Average rainfall in April: 2.56"
The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Willow Creek, CA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is March (16.8 days).
The months with the least rainy days are July and August (2.2 days).
Average snowfall in April
Willow Creek, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Willow Creek, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Willow Creek, CA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Willow Creek, CA
- Average sunshine days in April: 15.5 days
The months with the most sunshine days are July and August (28 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in April
Willow Creek, 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
Willow Creek, CA
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in April
Willow Creek, CA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
