December weather forecastTwin Bridges, CA
December
Weather in December
The first month of the winter, December, is also a wintry month in Twin Bridges, California, with an average temperature fluctuating between 20.1°F (-6.6°C) and 35.4°F (1.9°C).Temperature
The month of December, characterized by an average high of 35.4°F (1.9°C) and a low of 20.1°F (-6.6°C), is recognized as the coldest.Humidity
In Twin Bridges, the average relative humidity in December is 76%.Rainfall
In Twin Bridges, in December, during 3.5 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. Throughout the year, there are 45.4 rainfall days, and 26.06" (662mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Twin Bridges, during December, snow falls for 13.5 days and regularly aggregates up to 27.56" (700mm) of snow. Throughout the year, there are 83.9 snowfall days, and 153.46" (3898mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:39 pm. On the last day of December, in Twin Bridges, sunrise is at 7:18 am and sunset at 4:49 pm PST.
Sunshine
December has the least sunshine of the year in Twin Bridges, with an average of 5.4h of sunshine.UV index
In December, the average daily maximum UV index in Twin Bridges is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Twin Bridges, CA
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure in December
Twin Bridges, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Twin Bridges, CA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Twin Bridges, CA
- Average humidity in December: 76%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Twin Bridges, CA
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in December
Twin Bridges, CA
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (6.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in December
Twin Bridges, CA
- Average snowfall in December: 27.56"
The month with the highest snowfall is March (33.46").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Twin Bridges, CA
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is March (15.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Twin Bridges, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Twin Bridges, CA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in December
Twin Bridges, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Twin Bridges, CA
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
Twin Bridges, CA
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
