December weather forecastDutch Flat, CA
December
Weather in December
December, the first month of the winter in Dutch Flat, is also a frosty month, with an average temperature varying between 43.7°F (6.5°C) and 29.1°F (-1.6°C).Temperature
December, known for its average high temperature of 43.7°F (6.5°C) and an average low temperature of 29.1°F (-1.6°C), is the coldest month.Humidity
In December, the average relative humidity in Dutch Flat, California, is 72%.Rainfall
In December, the rain falls for 7.5 days. Throughout December, 5.55" (141mm) of precipitation is accumulated. In Dutch Flat, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Dutch Flat. In Dutch Flat, during December, snow falls for 9 days and regularly aggregates up to 21.69" (551mm) of snow. Throughout the year, in Dutch Flat, there are 53.3 snowfall days, and 151.57" (3850mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:50 pm PST.
Sunshine
In December, the average sunshine in Dutch Flat is 5.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dutch Flat, CA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in December
Dutch Flat, 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 (29.9"Hg).
Average wind speed in December
Dutch Flat, CA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Dutch Flat, CA
- Average humidity in December: 72%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in December
Dutch Flat, CA
- Average rainfall in December: 5.55"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Dutch Flat, CA
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in December
Dutch Flat, CA
- Average snowfall in December: 21.69"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Dutch Flat, CA
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Dutch Flat, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Dutch Flat, CA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in December
Dutch Flat, 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, March, November and December (UV index 2).
Average cloud cover in December
Dutch Flat, CA
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Dutch Flat, CA
- Average visibility in December: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
