December weather forecastMercury, NV
December
Weather in December
December, the first month of the winter in Mercury, is still a chilly month, with temperature in the range of an average high of 48.2°F (9°C) and an average low of 35.6°F (2°C).Temperature
December, with average temperatures reaching a high of 48.2°F (9°C) and a low of 35.6°F (2°C), is the coldest month.Humidity
January and December, with an average relative humidity of 48%, are the most humid months.Rainfall
In Mercury, during December, the rain falls for 3.9 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 43.1 rainfall days, and 3.66" (93mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Mercury, Nevada, during December, snow falls for 0.4 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 2.5 snowfall days, and 1.69" (43mm) of snow is accumulated.Daylight
The month with the shortest days in Mercury is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:28 pm. On the last day of December, in Mercury, sunrise is at 6:56 am and sunset at 4:38 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.9h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mercury, NV
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (48.2°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).
Average pressure in December
Mercury, NV
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).
Average wind speed in December
Mercury, NV
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6.7mph).
Average humidity in December
Mercury, NV
- Average humidity in December: 48%
The months with the highest relative humidity are January and December (48%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Mercury, NV
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is July (0.47").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Mercury, NV
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is June (1.4 days).
Average snowfall in December
Mercury, NV
- Average snowfall in December: 0.12"
The month with the highest snowfall is November (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mercury, NV
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mercury, 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: 6h and 54min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Mercury, NV
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (21.2 days).
Average UV index in December
Mercury, NV
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Mercury, NV
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 6).
Average visibility in December
Mercury, 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).





