Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Douglas Flat, December records the lowest average temperatures, peaking at 53.2°F (11.8°C) and reaching a low of 37.8°F (3.2°C).Humidity
The average relative humidity in December in Douglas Flat is 67%.Rainfall
In Douglas Flat, in December, during 9.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Douglas Flat, during the entire year, the rain falls for 74.4 days and collects up to 22.87" (581mm) of precipitation.Snowfall
Months with snowfall in Douglas Flat are January through March, November and December. In Douglas Flat, during December, snow falls for 0.2 days and regularly aggregates up to 0.39" (10mm) of snow. In Douglas Flat, California, during the entire year, snow falls for 2.2 days and aggregates up to 4.09" (104mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December in Douglas Flat, California, sunrise is at 7:00 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:52 pm PST.
Sunshine
The month with the least sunshine in Douglas Flat is December, with an average of 5.8h of sunshine.UV index
In December, the average daily maximum UV index in Douglas Flat, California, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in December translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Douglas Flat?
What is the usual temperature for Douglas Flat in December?
What is the average humidity in December in Douglas Flat?
How much does it rain in Douglas Flat in December?
How much does it snow in Douglas Flat in December?
What is the month with the shortest days in Douglas Flat?
What is the average length of the day in December in Douglas Flat?
What time are sunrise and sunset in December in Douglas Flat?
What is the month with the least sunshine in Douglas Flat?
How many hours of sunshine does Douglas Flat have in December?
What is the UV index reading in December in Douglas Flat?
Average temperature in December
Douglas Flat, CA
- Average high temperature in December: 53.2°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in December
Douglas Flat, 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 (29.91"Hg).
Average wind speed in December
Douglas Flat, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
Douglas Flat, CA
- Average humidity in December: 67%
The month with the highest relative humidity is March (71%).
The months with the lowest relative humidity are July and August (34%).
Average rainfall in December
Douglas Flat, CA
- Average rainfall in December: 3.9"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Douglas Flat, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in December
Douglas Flat, CA
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Douglas Flat, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Douglas Flat, CA
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Douglas Flat, CA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in December
Douglas Flat, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Douglas Flat, CA
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Douglas Flat, 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).
Douglas Flat, California, USA
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