December weather forecastCal-Nev-Ari, NV
December
Weather in December
The first month of the winter, December, is still a mild month in Cal-Nev-Ari, Nevada, with an average temperature varying between 43.5°F (6.4°C) and 56.3°F (13.5°C).Temperature
Temperature records mark December as the coldest month, with highs averaging 56.3°F (13.5°C) and lows at 43.5°F (6.4°C).Humidity
The average relative humidity in December is 41%.Rainfall
The month with the most rainfall is December, when the rain falls for 5.5 days and typically aggregates up to 0.67" (17mm) of precipitation.Snowfall
The only month with snowfall is December. December has the most snowfall days of the year. Snow falls for 0.1 days.Daylight
December has the shortest days of the year in Cal-Nev-Ari, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:30 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:37 pm PST.
Sunshine
The month with the least sunshine in Cal-Nev-Ari is December, with an average of 7h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify 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
Cal-Nev-Ari, NV
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).
Average pressure in December
Cal-Nev-Ari, NV
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in December
Cal-Nev-Ari, NV
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in December
Cal-Nev-Ari, NV
- Average humidity in December: 41%
The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).
Average rainfall in December
Cal-Nev-Ari, NV
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Cal-Nev-Ari, NV
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).
Average snowfall days in December
Cal-Nev-Ari, NV
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Cal-Nev-Ari, NV
- Average daylight in December: 9h and 48min
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: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Cal-Nev-Ari, NV
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in December
Cal-Nev-Ari, NV
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Cal-Nev-Ari, NV
- Average cloud cover in December: 19
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Cal-Nev-Ari, NV
- 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).





