December weather forecastMcCloud, CA
December
Weather in December
The first month of the winter, December, is also an icy month in McCloud, California, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 27.5°F (-2.5°C).Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 42.3°F (5.7°C) and a low of 27.5°F (-2.5°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 11.8 days. Throughout December, 4.61" (117mm) of precipitation is accumulated. Throughout the year, there are 110.4 rainfall days, and 28.62" (727mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In McCloud, in December, snow falls for 6.5 days, with typically accumulated 8.82" (224mm) of snow. In McCloud, during the entire year, snow falls for 33.1 days and aggregates up to 53.35" (1355mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:15 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:49 pm PST.
Sunshine
With an average of 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 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McCloud, CA
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (52.3°F).
The coldest month (with the lowest average low temperature) is December (27.5°F).
Average pressure in December
McCloud, CA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in December
McCloud, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
McCloud, CA
- Average humidity in December: 79%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
McCloud, CA
- Average rainfall in December: 4.61"
The wettest month (with the highest rainfall) is March (5.08").
The driest months (with the least rainfall) are July and August (0.28").
Average rainfall days in December
McCloud, CA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in December
McCloud, CA
- Average snowfall in December: 8.82"
The month with the highest snowfall is January (13.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McCloud, CA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is March (7.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
McCloud, CA
- Average daylight in December: 9h and 18min
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 December: 5h and 0min
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 0min).
Average sunshine days in December
McCloud, CA
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is March (10.9 days).
Average UV index in December
McCloud, CA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
McCloud, CA
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
McCloud, CA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





