December weather forecastEast Foothills, CA
December
Weather in December
The first month of the winter, December, is also a moderate month in East Foothills, California, with an average temperature ranging between min 41.9°F (5.5°C) and max 56.3°F (13.5°C).Temperature
East Foothills's December weather, marked by an average high temperature of 56.3°F (13.5°C) and an average low temperature of 41.9°F (5.5°C), is the coldest in the year.Humidity
The average relative humidity in December in East Foothills is 71%.Rainfall
In East Foothills, in December, it is raining for 9.5 days, with typically 1.02" (26mm) of accumulated precipitation. In East Foothills, during the entire year, the rain falls for 66 days and collects up to 6.46" (164mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:49 pm. On the last day of December, in East Foothills, sunrise is at 7:21 am and sunset at 4:59 pm PST.
Sunshine
With an average of 6h of sunshine, December has the least sunshine of the year in East Foothills.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in East Foothills. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
East Foothills, CA
- Average high temperature in December: 56.3°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 (56.3°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in December
East Foothills, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in December
East Foothills, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest months (with the lowest average wind speed) are September, October and November (4.3mph).
Average humidity in December
East Foothills, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (58%).
Average rainfall in December
East Foothills, CA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is March (1.26").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
East Foothills, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
East Foothills, CA
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
East Foothills, CA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in December
East Foothills, 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
East Foothills, CA
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
East Foothills, 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).
