December weather forecastHomewood, CA
December
Weather in December
December, the first month of the winter in Homewood, is also a wintry month, with an average temperature fluctuating between 23.5°F (-4.7°C) and 38.8°F (3.8°C).Temperature
December, on average, is the coldest month, registering a high temperature of 38.8°F (3.8°C) and a low of 23.5°F (-4.7°C).Humidity
The average relative humidity in December is 75%.Rainfall
In Homewood, in December, during 6.5 rainfall days, 5.12" (130mm) of precipitation is typically accumulated. Throughout the year, there are 61 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Homewood, during December, snow falls for 13.1 days and regularly aggregates up to 35.59" (904mm) of snow. Throughout the year, there are 79.1 snowfall days, and 185.16" (4703mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:48 pm PST.
Sunshine
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Homewood, CA
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (23.5°F).
Average pressure in December
Homewood, CA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Homewood, CA
- Average wind speed in December: 6.1mph
The windiest months (with the highest average wind speed) are February and March (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Homewood, CA
- Average humidity in December: 75%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in December
Homewood, CA
- Average rainfall in December: 5.12"
The wettest month (with the highest rainfall) is March (6.06").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in December
Homewood, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (9.6 days).
The month with the least rainy days is July (1.9 days).
Average snowfall in December
Homewood, CA
- Average snowfall in December: 35.59"
The month with the highest snowfall is March (43.27").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Homewood, CA
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is March (16.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Homewood, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Homewood, CA
- Average sunshine days in December: 17 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in December
Homewood, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Homewood, CA
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Homewood, CA
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
