Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 36.5°F (2.5°C) and a low of 22.1°F (-5.5°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Glenbrook, in December, during 2.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Glenbrook, during the entire year, the rain falls for 47.3 days and collects up to 9.61" (244mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In December, in Glenbrook, it is snowing for 9.2 days. Throughout December, 7.83" (199mm) of snow is accumulated. Throughout the year, in Glenbrook, there are 51.5 snowfall days, and 38.54" (979mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Glenbrook.On the first day of December in Glenbrook, Nevada, sunrise is at 7:00 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:47 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenbrook. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Glenbrook?
How cold is December in Glenbrook?
What is the average humidity in December in Glenbrook?
How much does it rain in Glenbrook in December?
How much does it snow in Glenbrook in December?
What is the month with the shortest days in Glenbrook?
What is the average length of the day in December in Glenbrook?
When is the sunrise / sunset in December in Glenbrook?
What is the month with the least sunshine in Glenbrook?
How long on average sun shines in December in Glenbrook?
What are the months with the lowest UV index in Glenbrook?
How high is the UV index in December in Glenbrook?
Average temperature in December
Glenbrook, NV
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in December
Glenbrook, NV
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Glenbrook, NV
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Glenbrook, NV
- Average humidity in December: 76%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in December
Glenbrook, NV
- Average rainfall in December: 1.42"
The wettest months (with the highest rainfall) are February and March (1.5").
The driest months (with the least rainfall) are June and August (0.28").
Average rainfall days in December
Glenbrook, NV
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is May (7.4 days).
The month with the least rainy days is November (2.4 days).
Average snowfall in December
Glenbrook, NV
- Average snowfall in December: 7.83"
The month with the highest snowfall is March (8.7").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Glenbrook, NV
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is March (9.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Glenbrook, NV
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Glenbrook, NV
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is October (26.8 days).
The month with the least sunshine days is February (19 days).
Average UV index in December
Glenbrook, NV
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in December
Glenbrook, NV
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
Glenbrook, 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).
Glenbrook, Nevada, USA
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