December weather forecastRedwood Estates, CA
December
Weather in December
December, the first month of the winter in Redwood Estates, is still a mild month, with an average temperature fluctuating between 57°F (13.9°C) and 45.5°F (7.5°C).Temperature
December is the month that records the lowest temperatures, with averages ranging from a high of 57°F (13.9°C) to a low of 45.5°F (7.5°C).Humidity
The average relative humidity in December is 71%.Rainfall
In Redwood Estates, during December, the rain falls for 9.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Redwood Estates, there are 72.5 rainfall days, and 13.58" (345mm) of precipitation is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:01 pm PST.
Sunshine
With an average of 5.8h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in December transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Redwood Estates, CA
- Average high temperature in December: 57°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in December: 45.5°F
The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in December
Redwood Estates, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in December
Redwood Estates, CA
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Redwood Estates, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Redwood Estates, CA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Redwood Estates, CA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Redwood Estates, CA
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Redwood Estates, CA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in December
Redwood Estates, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in December
Redwood Estates, CA
- Average cloud cover in December: 34
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Redwood Estates, 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).
