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
The onset of December brings a small change in high-temperatures, falling from a frosty 48.4°F (9.1°C) in November to a wintry 38.3°F (3.5°C). Glenmont observes an average low-temperature of 27°F (-2.8°C) during December.Humidity
In December, the average relative humidity in Glenmont is 84%.Rainfall
In Glenmont, in December, it is raining for 12.5 days, with typically 2.44" (62mm) of accumulated precipitation. In Glenmont, during the entire year, the rain falls for 174.5 days and collects up to 31.34" (796mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Glenmont, in December, during 11.7 snowfall days, 3.58" (91mm) of snow is typically accumulated. In Glenmont, during the entire year, snow falls for 55.7 days and aggregates up to 19.06" (484mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:11 pm EST.
Sunshine
In Glenmont, the average sunshine in December is 3.6h.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 low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Glenmont in December?
What is the average humidity in December in Glenmont?
How many days does it rain in December in Glenmont?
How much does it snow in Glenmont in December?
What is the month with the shortest days in Glenmont?
What is the average length of the day in December in Glenmont?
When is the sunrise / sunset in December in Glenmont?
How long on average sun shines in December in Glenmont?
What is the month with the lowest UV index in Glenmont?
What is the UV index intensity in December in Glenmont?
Average temperature in December
Glenmont, OH
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Glenmont, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Glenmont, OH
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Glenmont, OH
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in December
Glenmont, OH
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Glenmont, OH
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in December
Glenmont, OH
- Average snowfall in December: 3.58"
The month with the highest snowfall is January (5.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glenmont, OH
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenmont, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Glenmont, OH
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Glenmont, OH
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Glenmont, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Glenmont, OH
- Average visibility in December: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Glenmont, Ohio, USA
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