December weather forecastCaledonia, NY
December
Weather in December
The first month of the winter, December, is also an icy month in Caledonia, New York, with an average temperature ranging between min 26.2°F (-3.2°C) and max 35.6°F (2°C).Temperature
The shift to December brings a decrease in the average high-temperature, falling from a chilly 46°F (7.8°C) in November to an icy 35.6°F (2°C). Caledonia's average low-temperature in the month of December is recorded at a freezing cold 26.2°F (-3.2°C).Humidity
The average relative humidity in December in Caledonia is 84%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. In Caledonia, New York, during the entire year, the rain falls for 168.2 days and collects up to 26.1" (663mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Caledonia, in December, during 15.5 snowfall days, 5.51" (140mm) of snow is typically accumulated. Throughout the year, in Caledonia, New York, there are 78 snowfall days, and 28.46" (723mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine in Caledonia is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caledonia, NY
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Caledonia, 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
Caledonia, NY
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Caledonia, NY
- 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, May, July, August and September (77%).
Average rainfall in December
Caledonia, NY
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in December
Caledonia, NY
- Average rainfall days in December: 10.6 days
The months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Caledonia, NY
- Average snowfall in December: 5.51"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Caledonia, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Caledonia, NY
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in December
Caledonia, NY
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Caledonia, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Caledonia, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Caledonia, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





