December weather forecastAlamo, NV
December
Weather in December
December brings in full-fledged winter in Alamo, Nevada, with temperatures dipping to their lowest for the year from 25.5°F (-3.6°C) to 41.5°F (5.3°C). Compared to November, this month experiences a steep drop in temperatures and increased amount of snowfall. Although precipitation is relatively lesser than the previous month, 1.14in, the snowfall in December covers the city in a blanket of white, amounting to 4.09in. As the year concludes, the weather can be rightfully described as bleak, characterized by short days, long nights, and freezing temperatures. Despite the cold, December hosts a plethora of winter festivities, making it a unique time to visit Alamo.Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 41.5°F (5.3°C) and a low of 25.5°F (-3.6°C).Humidity
The average relative humidity in December is 63%.Rainfall
In Alamo, during December, the rain falls for 6.1 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 75.1 rainfall days, and 11.26" (286mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Alamo, in December, during 4.9 snowfall days, 4.09" (104mm) of snow is typically accumulated. Throughout the year, there are 21 snowfall days, and 20.12" (511mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:36 am and sunset at 4:23 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:33 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alamo, NV
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in December
Alamo, NV
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Alamo, NV
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are January, November and December (7.1mph).
Average humidity in December
Alamo, NV
- Average humidity in December: 63%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is June (20%).
Average rainfall in December
Alamo, NV
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in December
Alamo, NV
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (3.1 days).
Average snowfall in December
Alamo, NV
- Average snowfall in December: 4.09"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Alamo, NV
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is December (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alamo, NV
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Alamo, NV
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is June (25.4 days).
The months with the least sunshine days are July and August (18.3 days).
Average UV index in December
Alamo, NV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Alamo, NV
- Average cloud cover in December: 28
The month with the most cloud cover is December (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Alamo, 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).
