December weather forecastBirds Landing, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Birds Landing, California, with an average temperature varying between 41.7°F (5.4°C) and 55.2°F (12.9°C).Temperature
In Birds Landing, December is the coldest month, with temperatures averaging a high of 55.2°F (12.9°C) and a low of 41.7°F (5.4°C).Humidity
The average relative humidity in December is 71%.Rainfall
In Birds Landing, in December, it is raining for 5.9 days, with typically 0.39" (10mm) of accumulated precipitation. In Birds Landing, during the entire year, the rain falls for 37.4 days and collects up to 2.44" (62mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:57 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Birds Landing, CA
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in December: 41.7°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Birds Landing, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Birds Landing, CA
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in December
Birds Landing, CA
- Average humidity in December: 71%
The months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (53%).
Average rainfall in December
Birds Landing, CA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is February (0.59").
The driest months (with the least rainfall) are June, July and August (0").
Average rainfall days in December
Birds Landing, CA
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is August (0.5 days).
Average daylight in December /
Average sunshine in December
Birds Landing, CA
- Average daylight in December: 9h and 36min
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 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Birds Landing, CA
- Average sunshine days in December: 24.5 days
The months with the most sunshine days are July and August (30.3 days).
The month with the least sunshine days is March (21.8 days).
Average UV index in December
Birds Landing, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Birds Landing, CA
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Birds Landing, 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).
