December weather forecastWhitmore Hot Springs, CA
December
Weather in December
The first month of the winter, December, is also an icy month in Whitmore Hot Springs, California, with an average temperature fluctuating between 36.5°F (2.5°C) and 17.6°F (-8°C).Temperature
The shift from November to December involves a decrease in the average high-temperature, from a frosty 46.4°F (8°C) to a wintry 36.5°F (2.5°C). Whitmore Hot Springs's temperature drops to an average low of 17.6°F (-8°C) during the nights of December.Humidity
In December, the average relative humidity in Whitmore Hot Springs is 68%.Rainfall
In Whitmore Hot Springs, in December, during 4.3 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 59.5 rainfall days, and 10.98" (279mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Whitmore Hot Springs. In December, it is snowing for 10.5 days. Throughout December, 9.37" (238mm) of snow is accumulated. In Whitmore Hot Springs, during the entire year, snow falls for 66.2 days and aggregates up to 59.53" (1512mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:47 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Whitmore Hot Springs, CA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is February (36.3°F).
- Average low temperature in December: 17.6°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is December (17.6°F).
Average pressure in December
Whitmore Hot Springs, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Whitmore Hot Springs, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Whitmore Hot Springs, CA
- Average humidity in December: 68%
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (31%).
Average rainfall in December
Whitmore Hot Springs, CA
- Average rainfall in December: 1.26"
The wettest months (with the highest rainfall) are January, February and March (1.54").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in December
Whitmore Hot Springs, CA
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (7.5 days).
The month with the least rainy days is October (2.9 days).
Average snowfall in December
Whitmore Hot Springs, CA
- Average snowfall in December: 9.37"
The month with the highest snowfall is March (10.91").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Whitmore Hot Springs, CA
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is March (12.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Whitmore Hot Springs, CA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 42min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Whitmore Hot Springs, CA
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (25.8 days).
The month with the least sunshine days is April (15.5 days).
Average UV index in December
Whitmore Hot Springs, CA
- Average UV index in December: 2
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 2).
Average cloud cover in December
Whitmore Hot Springs, CA
- Average cloud cover in December: 24
The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are August and September (Cloud cover 7).
Average visibility in December
Whitmore Hot Springs, 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).
