December weather forecastCallender, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Callender, California, with an average temperature fluctuating between 46.8°F (8.2°C) and 61.2°F (16.2°C).Temperature
Temperature readings reach their annual highs in December, averaging 61.2°F (16.2°C) and a minimum average of 46.8°F (8.2°C).Humidity
In Callender, California, the average relative humidity in December is 63%.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Callender, during the entire year, the rain falls for 47.6 days and collects up to 6.93" (176mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:10 am and sunset at 5:01 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.5h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 4 suggests this advice:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Callender, CA
- Average high temperature in December: 61.2°F
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in December
Callender, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in December
Callender, CA
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Callender, CA
- Average humidity in December: 63%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in December
Callender, CA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Callender, CA
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Callender, CA
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Callender, CA
- Average sunshine days in December: 24 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index in December
Callender, CA
- Average UV index in December: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Callender, CA
- Average cloud cover in December: 25
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Callender, 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).
