Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December is the month when Willows experiences its coldest temperatures, averaging a high of 52.7°F (11.5°C) and a low of 39.4°F (4.1°C).Humidity
In December, the average relative humidity in Willows is 67%.Rainfall
In December, the rain falls for 10 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 71.4 rainfall days, and 14.02" (356mm) of precipitation is accumulated.Snowfall
January and December are months with snowfall in Willows. December is the first month it typically snows in Willows. Throughout December, Willows receives 0.39" (10mm) of snow. In Willows, California, during the entire year, snow aggregates up to 1.3" (33mm).Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Willows.On the first day of the month, sunrise is at 7:10 am and sunset at 4:45 pm. On the last day of December, in Willows, sunrise is at 7:29 am and sunset at 4:55 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Willows. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Willows?
What is the average December temperature in Willows?
What is the average humidity in December in Willows?
How much does it rain in Willows in December?
When does it start snowing in Willows?
What is the month with the shortest days in Willows?
How many hours of daylight does Willows have in December?
When are sunrise and sunset in December in Willows?
What is the month with the least sunshine in Willows?
How many hours of sunshine does Willows have in December?
What is the month with the lowest UV index in Willows?
What is the UV index reading in December in Willows?
Average temperature in December
Willows, CA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).
Average pressure in December
Willows, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).
Average wind speed in December
Willows, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Willows, CA
- Average humidity in December: 67%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July, August and September (35%).
Average rainfall in December
Willows, CA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in December
Willows, CA
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is July (1 days).
Average snowfall in December
Willows, CA
- Average snowfall in December: 0.4"
The month with the highest snowfall is January (0.9").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average daylight in December /
Average sunshine in December
Willows, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 5min
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 December
Willows, CA
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (17 days).
Average UV index in December
Willows, CA
- Average UV index in December: 3
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 December
Willows, CA
- Average cloud cover in December: 36
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 December
Willows, CA
- Average visibility in December: 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).
Willows, California, USA
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