December weather forecastMoapa Valley, NV
December
Weather in December
December, the first month of the winter in Moapa Valley, is still a cool month, with an average temperature varying between 50.9°F (10.5°C) and 35.2°F (1.8°C).Temperature
December is the month when Moapa Valley sees the lowest average temperatures, with a high of 50.9°F (10.5°C) and a low of 35.2°F (1.8°C).Humidity
In December, the average relative humidity is 50%.Rainfall
The months with the most rainfall are February and December, with an average 0.83" (21mm) of precipitation.Snowfall
Months with snowfall are February and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.6 snowfall days, and 0.16" (4mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:22 pm. On the last day of December, sunrise is at 6:49 am and sunset at 4:32 pm PST.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moapa Valley, NV
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (98.2°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).
Average pressure in December
Moapa Valley, NV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Moapa Valley, NV
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in December
Moapa Valley, NV
- Average humidity in December: 50%
The month with the highest relative humidity is January (52%).
The month with the lowest relative humidity is June (15%).
Average rainfall in December
Moapa Valley, NV
- Average rainfall in December: 0.83"
The wettest months (with the highest rainfall) are February and December (0.83").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Moapa Valley, NV
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average snowfall in December
Moapa Valley, NV
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Moapa Valley, NV
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Moapa Valley, NV
- Average daylight in December: 9h and 42min
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 42min).
- 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
Moapa Valley, NV
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in December
Moapa Valley, NV
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Moapa Valley, NV
- Average cloud cover in December: 22
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in December
Moapa 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).





