December weather forecastFloriston, CA
December
Weather in December
December, the first month of the winter in Floriston, is still a cold month, with temperature in the range of an average high of 35.4°F (1.9°C) and an average low of 20.3°F (-6.5°C).Temperature
In Floriston, California, the lowest average temperatures are observed in December, with a high of 35.4°F (1.9°C) and a low of 20.3°F (-6.5°C).Humidity
In December, the average relative humidity in Floriston is 76%.Rainfall
The month with the most rainfall in Floriston is December, when the rain falls for 3.2 days and typically aggregates up to 0.63" (16mm) of precipitation.Snowfall
Months with snowfall in Floriston are January through June, September through December. The month with the most snowfall in Floriston is December, when snow falls for 7.3 days and typically aggregates up to 2.2" (56mm) of snow.Daylight
The month with the shortest days in Floriston is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:46 pm PST.
Sunshine
The months with the least sunshine in Floriston are January and December, with an average of 5.8h of sunshine.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 radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Floriston, CA
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in December
Floriston, CA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Floriston, CA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Floriston, CA
- Average humidity in December: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Floriston, CA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is December (0.63").
The driest months (with the least rainfall) are June, August and October (0.12").
Average rainfall days in December
Floriston, CA
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is May (5.3 days).
The month with the least rainy days is November (1.3 days).
Average snowfall in December
Floriston, CA
- Average snowfall in December: 2.2"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Floriston, CA
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is December (7.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Floriston, CA
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Floriston, CA
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is October (28.5 days).
The month with the least sunshine days is May (21.6 days).
Average UV index in December
Floriston, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Floriston, CA
- Average cloud cover in December: 38
The months with the most cloud cover are March and December (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Floriston, CA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
