December weather forecastSpring Valley, NV
December
Weather in December
December embraces full-fledged winter with the coldest temperatures of the year. With a temperature bracket from 38.8°F (3.8°C) to 50.9°F (10.5°C), it plays host to the year's most refreshing weather. The dramatically reduced daylight hours and smaller quantum of sunshine prompt the residents to stay indoors. December remains mostly dry, with sporadic rainfall. Stinging winds blow throughout the month, adding to the chill factor of winter weather in Spring Valley.Temperature
December stands out as Spring Valley's coldest month, with temperatures ranging between an average high of 50.9°F (10.5°C) and a low of 38.8°F (3.8°C).Humidity
In Spring Valley, the average relative humidity in December is 46%.Rainfall
In Spring Valley, in December, it is raining for 3.9 days, with typically 0.31" (8mm) of accumulated precipitation. In Spring Valley, during the entire year, the rain falls for 42.9 days and collects up to 3.23" (82mm) of precipitation.Snowfall
In Spring Valley, snow does not fall in January, March through December.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 6:33 am and sunset at 4:26 pm. On the last day of December, sunrise is at 6:51 am and sunset at 4:36 pm PST.
Sunshine
December has the least sunshine of the year in Spring Valley, Nevada, with an average of 7h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spring Valley, NV
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in December: 38.8°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).
Average pressure in December
Spring Valley, NV
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in December
Spring Valley, NV
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in December
Spring Valley, NV
- Average humidity in December: 46%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (15%).
Average rainfall in December
Spring Valley, NV
- Average rainfall in December: 0.31"
The wettest months (with the highest rainfall) are July and August (0.55").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Spring Valley, NV
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is July (6.1 days).
The month with the least rainy days is June (0.9 days).
Average snowfall in December
Spring Valley, NV
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Spring Valley, NV
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Spring Valley, NV
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Spring Valley, NV
- Average sunshine days in December: 25.6 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (18.7 days).
Average UV index in December
Spring Valley, NV
- Average UV index in December: 2
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 2).
Average cloud cover in December
Spring Valley, NV
- Average cloud cover in December: 19
The months with the most cloud cover are January and December (Cloud cover 19).
The months with the least cloud cover are June and August (Cloud cover 6).
Average visibility in December
Spring Valley, 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).
