December weather forecastClovis, CA
December
Weather in December
December marks the arrival of winter in Clovis, with the coolest average temperatures recorded for the year. Though the weather remains dry with minimal rainfall, the increase in cloud cover and humid conditions give the city a wintery feel. The shortened daylight hours and a slow decline in sunshine duration signify the end of the year. Lower winds speeds contribute to the crisp, cold winter mornings. Overall, expect a tranquil and cool holiday season.Temperature
In Clovis, December is the coldest month, with temperatures averaging a high of 56.1°F (13.4°C) and a low of 41.4°F (5.2°C).Humidity
The average relative humidity in December is 63%.Rainfall
In Clovis, in December, during 7.6 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Clovis, during the entire year, the rain falls for 58.2 days and collects up to 11.18" (284mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:52 pm PST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during December leads to these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clovis, CA
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in December
Clovis, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Clovis, CA
- Average wind speed in December: 3.8mph
The windiest month (with the highest average wind speed) is June (5.5mph).
The calmest month (with the lowest average wind speed) is November (3.7mph).
Average humidity in December
Clovis, CA
- Average humidity in December: 63%
The month with the highest relative humidity is January (65%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in December
Clovis, CA
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is March (2.2").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Clovis, CA
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1.3 days).
Average daylight in December /
Average sunshine in December
Clovis, CA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Clovis, CA
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in December
Clovis, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Clovis, CA
- Average cloud cover in December: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Clovis, 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).
