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
Kirkwood's coldest month, December, generally records average temperatures ranging from a high of 35.4°F (1.9°C) to a low of 20.1°F (-6.6°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Kirkwood, in December, it is raining for 3.5 days, with typically 3.86" (98mm) of accumulated precipitation. In Kirkwood, during the entire year, the rain falls for 45.4 days and collects up to 26.06" (662mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Kirkwood, in December, snow falls for 13.5 days, with typically accumulated 27.56" (700mm) of snow. In Kirkwood, during the entire year, snow falls for 83.9 days and aggregates up to 153.46" (3898mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Kirkwood, sunrise is at 7:00 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:49 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
In Kirkwood, California, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is December?
What is the average humidity in December in Kirkwood?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Kirkwood have in December?
When is the sunrise / sunset in December in Kirkwood?
What is the month with the least sunshine?
How many hours of sunshine does Kirkwood have in December?
How high is the UV index in December?
Average temperature in December
Kirkwood, CA
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure in December
Kirkwood, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Kirkwood, CA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Kirkwood, CA
- Average humidity in December: 76%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Kirkwood, CA
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in December
Kirkwood, CA
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (6.9 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in December
Kirkwood, CA
- Average snowfall in December: 27.56"
The month with the highest snowfall is March (33.46").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Kirkwood, CA
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is March (15.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Kirkwood, CA
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Kirkwood, CA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in December
Kirkwood, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Kirkwood, CA
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
Kirkwood, 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).
Kirkwood, California, USA
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