December weather forecastHadley, NY
December
Weather in December
December, the first month of the winter in Hadley, is still a cold month, with an average temperature ranging between max 32.5°F (0.3°C) and min 23.4°F (-4.8°C).Temperature
The start of December involves a temperature drop, moving from a chilly 43.7°F (6.5°C) in November to a wintry 32.5°F (0.3°C). An average low-temperature of 23.4°F (-4.8°C) is noted during the month of December.Humidity
In Hadley, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 131.2 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hadley, in December, snow falls for 7.7 days, with typically accumulated 2.91" (74mm) of snow. In Hadley, during the entire year, snow falls for 43.2 days and aggregates up to 21.54" (547mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:29 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hadley, NY
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Hadley, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Hadley, NY
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Hadley, NY
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Hadley, NY
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (2.4").
The driest months (with the least rainfall) are January and March (1.38").
Average rainfall days in December
Hadley, NY
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Hadley, NY
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hadley, NY
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hadley, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Hadley, NY
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Hadley, 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 and December (UV index 1).
Average cloud cover in December
Hadley, NY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Hadley, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
