January weather forecastWillow Creek, CA
January
Weather in January
January, like December, in Willow Creek, California, is a cool winter month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 43.2°F (6.2°C).Temperature
January's onset sees an average high-temperature of a still fresh 53.8°F (12.1°C), exhibiting a slight fluctuation from the previous month. In January, Willow Creek experiences an average nighttime temperature of 43.2°F (6.2°C).Humidity
The average relative humidity in January is 78%.Rainfall
In Willow Creek, California, in January, during 14.1 rainfall days, 5.31" (135mm) 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
January, March through December are months without snowfall in Willow Creek.Daylight
The average length of the day in January is 9h and 38min.On the first day of January in Willow Creek, sunrise is at 7:39 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:29 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.1h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Willow Creek, California. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during January morphs into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Willow Creek, CA
- Average high temperature in January: 53.8°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 January: 43.2°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 January
Willow Creek, CA
- Average pressure in January: 30.13"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 January
Willow Creek, CA
- Average wind speed in January: 7.2mph
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 January
Willow Creek, CA
- Average humidity in January: 78%
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 January
Willow Creek, CA
- Average rainfall in January: 5.31"
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 January
Willow Creek, CA
- Average rainfall days in January: 14.1 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 January
Willow Creek, CA
- Average snowfall in January: 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 January
Willow Creek, CA
- Average snowfall days in January: 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 January /
Average sunshine in January
Willow Creek, CA
- Average daylight in January: 9h and 36min
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 January: 5h and 6min
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 January
Willow Creek, CA
- Average sunshine days in January: 15.7 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 January
Willow Creek, CA
- Average UV index in January: 3
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 January
Willow Creek, CA
- Average cloud cover in January: 45
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 January
Willow Creek, CA
- Average visibility in January: 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).
