December weather forecastEaston, CA
December
Weather in December
December, the first month of the winter in Easton, is still a refreshing month, with an average temperature fluctuating between 57.2°F (14°C) and 42.6°F (5.9°C).Temperature
Easton records the coldest temperatures in December, averaging a high of 57.2°F (14°C) and a low of 42.6°F (5.9°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 66%.Rainfall
In Easton, during December, the rain falls for 8.2 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 59.3 rainfall days, and 10.31" (262mm) 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 the month, sunrise is at 6:53 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:53 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Easton. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during December leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Easton, CA
- Average high temperature in December: 57.2°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in December: 42.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).
Average pressure in December
Easton, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Easton, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (7.2mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.8mph).
Average humidity in December
Easton, CA
- Average humidity in December: 66%
The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (29%).
Average rainfall in December
Easton, CA
- Average rainfall in December: 1.57"
The wettest months (with the highest rainfall) are January and March (1.73").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in December
Easton, CA
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (1 days).
Average daylight in December /
Average sunshine in December
Easton, CA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 24min
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: 6h and 24min).
Average sunshine days in December
Easton, CA
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (19.4 days).
Average UV index in December
Easton, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Easton, CA
- Average cloud cover in December: 29
The month with the most cloud cover is December (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Easton, 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).





