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
McDonough's December weather features a mild decline in high-temperatures, reducing from a frosty 43°F (6.1°C) in November to a wintry 33.1°F (0.6°C). The mean low-temperature during December nights is a subzero cold 23.2°F (-4.9°C).Humidity
In December, the average relative humidity in McDonough is 87%.Rainfall
In McDonough, in December, it is raining for 7.8 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, in McDonough, there are 157.9 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
Months with snowfall in McDonough are January through May, October through December. In December, it is snowing for 15.4 days. Throughout December, 5.47" (139mm) of snow is accumulated. In McDonough, during the entire year, snow falls for 80.5 days and aggregates up to 29.37" (746mm) of snow.Daylight
The month with the shortest days in McDonough is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine in McDonough is 2.6h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in McDonough. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in McDonough in December?
What is the average humidity in December in McDonough?
How many days does it rain in December in McDonough?
How many days does it snow in December in McDonough?
What is the month with the shortest days in McDonough?
How many hours of daylight does McDonough have in December?
When are sunrise and sunset in December in McDonough?
How many hours of sunshine does McDonough have in December?
When is the lowest UV index in McDonough?
What is the UV index intensity in December in McDonough?
Average temperature in December
McDonough, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
McDonough, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
McDonough, NY
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
McDonough, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in December
McDonough, NY
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
McDonough, NY
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
McDonough, NY
- Average snowfall in December: 5.47"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McDonough, NY
- Average snowfall days in December: 15.4 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McDonough, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
McDonough, NY
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
McDonough, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
McDonough, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
McDonough, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
McDonough, New York, USA
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