December weather forecastHidden Valley Lake, CA
December
Weather in December
December, the first month of the winter in Hidden Valley Lake, is still a cool month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 38.1°F (3.4°C).Temperature
In Hidden Valley Lake, December is the month with the lowest recorded average temperatures, measuring a high of 52.7°F (11.5°C) and a low of 38.1°F (3.4°C).Humidity
In December, the average relative humidity in Hidden Valley Lake, California, is 72%.Rainfall
In Hidden Valley Lake, during December, the rain falls for 11.2 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Hidden Valley Lake, during the entire year, the rain falls for 79.8 days and collects up to 17.44" (443mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Hidden Valley Lake. In Hidden Valley Lake, in December, snow falls for 0.2 days, with typically accumulated 0.08" (2mm) of snow. In Hidden Valley Lake, during the entire year, snow falls for 1.8 days and aggregates up to 0.98" (25mm) 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 the month, sunrise is at 7:10 am and sunset at 4:48 pm. On the last day of December, in Hidden Valley Lake, sunrise is at 7:28 am and sunset at 4:58 pm PST.
Sunshine
The month with the least sunshine in Hidden Valley Lake is December, with an average of 5.3h of sunshine.UV index
November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hidden Valley Lake, CA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).
Average pressure in December
Hidden Valley Lake, 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
Hidden Valley Lake, CA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in December
Hidden Valley Lake, CA
- Average humidity in December: 72%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).
Average rainfall in December
Hidden Valley Lake, CA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is February (3.7").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Hidden Valley Lake, CA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is March (13.9 days).
The months with the least rainy days are July and August (1.1 days).
Average snowfall in December
Hidden Valley Lake, CA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hidden Valley Lake, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.9 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
Hidden Valley Lake, CA
- Average daylight in December: 9h and 30min
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 18min
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
Hidden Valley Lake, CA
- Average sunshine days in December: 19 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in December
Hidden Valley Lake, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in December
Hidden Valley Lake, CA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Hidden Valley Lake, 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).
