Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Ravendale, California, the lowest temperatures are generally noted in December, averaging a high of 36.5°F (2.5°C) and a low of 22.3°F (-5.4°C).Humidity
In Ravendale, the average relative humidity in December is 79%.Rainfall
In Ravendale, in December, during 5.9 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Ravendale, during the entire year, the rain falls for 73 days and collects up to 12.17" (309mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 12.5 days and accumulates 12.91" (328mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:07 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:44 pm PST.
Sunshine
In Ravendale, the average sunshine in December is 5.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is December in Ravendale?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Ravendale have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ravendale, CA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in December
Ravendale, CA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Ravendale, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Ravendale, CA
- Average humidity in December: 79%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (35%).
Average rainfall in December
Ravendale, CA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Ravendale, CA
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is August (2.2 days).
Average snowfall in December
Ravendale, CA
- Average snowfall in December: 12.91"
The month with the highest snowfall is December (12.91").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Ravendale, CA
- Average snowfall days in December: 12.5 days
The months with the highest number of snowfall days are March and December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Ravendale, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Ravendale, CA
- Average sunshine days in December: 16.2 days
The months with the most sunshine days are July and August (27.3 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in December
Ravendale, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Ravendale, CA
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in December
Ravendale, CA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Ravendale, California, USA
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