May weather forecastWillow Creek, CA
May
Weather in May
May, the last month of the spring in Willow Creek, is another mild month, with an average temperature fluctuating between 45.9°F (7.7°C) and 60.1°F (15.6°C).Temperature
In May, Willow Creek experiences a minor shift in meteorological conditions with average high-temperatures marked at a still refreshing 60.1°F (15.6°C), closely mirroring the climate in April. In Willow Creek, in May, the average low-temperature is a chilly 45.9°F (7.7°C).Humidity
In Willow Creek, the average relative humidity in May is 81%.Rainfall
In Willow Creek, California, in May, during 8.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. 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 May is 14h and 29min.On the first day of May in Willow Creek, sunrise is at 6:11 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:39 pm PDT.
Sunshine
The average sunshine in May in Willow Creek is 9.6h.UV index
In Willow Creek, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Preventing sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Willow Creek, CA
- Average high temperature in May: 60.1°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 May: 45.9°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 May
Willow Creek, CA
- Average pressure in May: 30.02"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 May
Willow Creek, CA
- Average wind speed in May: 7.1mph
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 May
Willow Creek, CA
- Average humidity in May: 81%
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 May
Willow Creek, CA
- Average rainfall in May: 1.73"
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 May
Willow Creek, CA
- Average rainfall days in May: 8.3 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 May
Willow Creek, CA
- Average snowfall in May: 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 May
Willow Creek, CA
- Average snowfall days in May: 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 May /
Average sunshine in May
Willow Creek, CA
- Average daylight in May: 14h and 30min
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 May: 9h and 36min
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 May
Willow Creek, CA
- Average sunshine days in May: 21.2 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 May
Willow Creek, CA
- Average UV index in May: 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 May
Willow Creek, CA
- Average cloud cover in May: 37
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 May
Willow Creek, CA
- Average visibility in May: 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).
