December weather forecastForest Falls, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Forest Falls, California, with an average temperature fluctuating between 52.7°F (11.5°C) and 37.4°F (3°C).Temperature
December, with its average high-temperature of 52.7°F (11.5°C) and an average low-temperature of 37.4°F (3°C), holds the record as the coldest month.Humidity
With an average relative humidity of 51%, December is the most humid month in Forest Falls, California.Rainfall
The months with the most rainfall are February and December, with an average 0.63" (16mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Forest Falls, during December, snow falls for 2.4 days and regularly aggregates up to 2.48" (63mm) of snow. In Forest Falls, during the entire year, snow falls for 11.9 days and aggregates up to 15.83" (402mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:35 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:48 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest Falls, CA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in December: 37.4°F
The month with the highest average low temperature is August (67.1°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in December
Forest Falls, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Forest Falls, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).
Average humidity in December
Forest Falls, CA
- Average humidity in December: 51%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (30%).
Average rainfall in December
Forest Falls, CA
- Average rainfall in December: 0.63"
The wettest months (with the highest rainfall) are February and December (0.63").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Forest Falls, CA
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is July (4.1 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in December
Forest Falls, CA
- Average snowfall in December: 2.48"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Forest Falls, CA
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forest Falls, CA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 0min
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: 7h and 0min).
Average sunshine days in December
Forest Falls, CA
- Average sunshine days in December: 25.3 days
The month with the most sunshine days is October (28.6 days).
The month with the least sunshine days is February (23.7 days).
Average UV index in December
Forest Falls, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Forest Falls, CA
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 6).
Average visibility in December
Forest Falls, 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).
