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
South Lake's December weather reaches an average high of 49.3°F (9.6°C) and an average low of 32.4°F (0.2°C), making it the coldest month.Humidity
In December, the average relative humidity is 59%.Rainfall
In South Lake, in December, it is raining for 7.2 days, with typically 1.89" (48mm) of accumulated precipitation. In South Lake, California, during the entire year, the rain falls for 65.1 days and collects up to 12.28" (312mm) of precipitation.Snowfall
Months with snowfall in South Lake are January through May, November and December. In South Lake, in December, during 1.8 snowfall days, 0.83" (21mm) of snow is typically accumulated. In South Lake, California, during the entire year, snow falls for 9.3 days and aggregates up to 9.65" (245mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:45 am and sunset at 4:40 pm. On the last day of December, in South Lake, California, sunrise is at 7:02 am and sunset at 4:50 pm PST.
Sunshine
The average sunshine in December is 6.5h.UV index
The months with the lowest UV index in South Lake, California, are 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation 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 in South Lake?
What is the temperature in December in South Lake?
What is the average humidity in December in South Lake?
How many days does it rain in December in South Lake?
How many days does it snow in December in South Lake?
What is the month with the shortest days in South Lake?
What is the average length of the day in December in South Lake?
When is the sunrise / sunset in December in South Lake?
How many hours of sunshine does South Lake have in December?
When is the lowest UV index in South Lake?
What is the UV index intensity in December in South Lake?
Average temperature in December
South Lake, CA
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).
Average pressure in December
South Lake, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
South Lake, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).
Average humidity in December
South Lake, CA
- Average humidity in December: 59%
The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is August (31%).
Average rainfall in December
South Lake, CA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is January (2.24").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in December
South Lake, CA
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in December
South Lake, CA
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
South Lake, CA
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
South Lake, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 3min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 24min).
Average sunshine days in December
South Lake, CA
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is February (19.2 days).
Average UV index in December
South Lake, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in December
South Lake, CA
- Average cloud cover in December: 27
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in December
South 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).
South Lake, California, USA
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