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
Kelseyville's coldest weather arrives in December, when temperatures average a high of 52.9°F (11.6°C) and a low of 37.2°F (2.9°C).Humidity
In December, the average relative humidity in Kelseyville is 73%.Rainfall
In Kelseyville, in December, it is raining for 12.2 days, with typically 3.62" (92mm) of accumulated precipitation. In Kelseyville, during the entire year, the rain falls for 88.1 days and collects up to 20.28" (515mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Kelseyville. In Kelseyville, during December, snow falls for 0.2 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, in Kelseyville, California, there are 1.8 snowfall days, and 1.26" (32mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:59 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
In Kelseyville, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What time of the year is the coldest in Kelseyville?
What is the temperature in December in Kelseyville?
What is the average humidity in December in Kelseyville?
How much does it rain in Kelseyville in December?
How many days does it snow in December in Kelseyville?
What is the month with the shortest days in Kelseyville?
What is the average length of the day in December in Kelseyville?
When is the sunrise / sunset in December in Kelseyville?
What is the month with the least sunshine in Kelseyville?
How long on average sun shines in December in Kelseyville?
What is the UV index intensity in December in Kelseyville?
Average temperature in December
Kelseyville, CA
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in December: 37.2°F
The months with the highest average low temperature are July and August (56.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in December
Kelseyville, 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 and August (29.91"Hg).
Average wind speed in December
Kelseyville, CA
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in December
Kelseyville, CA
- Average humidity in December: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (48%).
Average rainfall in December
Kelseyville, CA
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (3.94").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Kelseyville, CA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in December
Kelseyville, CA
- Average snowfall in December: 0.08"
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Kelseyville, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Kelseyville, CA
- Average daylight in December: 9h and 3min
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 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 18min).
Average sunshine days in December
Kelseyville, CA
- Average sunshine days in December: 18 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in December
Kelseyville, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Kelseyville, CA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Kelseyville, CA
- Average visibility in December: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
Kelseyville, California, USA
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