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
December
Weather in December
Temperature
As November transitions to December, the average high-temperature falls from a chilly 43.7°F (6.5°C) to an icy 32.9°F (0.5°C). During December, the average low-temperature is a subzero cold 23.5°F (-4.7°C).Humidity
In Fort Ann, New York, the average relative humidity in December is 81%.Rainfall
In Fort Ann, in December, it is raining for 5.5 days, with typically 0.79" (20mm) of accumulated precipitation. In Fort Ann, during the entire year, the rain falls for 97.1 days and collects up to 10.87" (276mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Fort Ann, in December, snow falls for 5.3 days, with typically accumulated 1.42" (36mm) of snow. In Fort Ann, during the entire year, snow falls for 29.8 days and aggregates up to 10.28" (261mm) 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 December, sunrise is at 7:07 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:28 pm EST.
Sunshine
The average sunshine in December in Fort Ann is 4.4h.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 low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fort Ann have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Fort Ann have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Fort Ann, NY
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.5°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
Fort Ann, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Fort Ann, NY
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Fort Ann, 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 (73%).
Average rainfall in December
Fort Ann, NY
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are March and September (0.59").
Average rainfall days in December
Fort Ann, NY
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Fort Ann, NY
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fort Ann, NY
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fort Ann, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Fort Ann, NY
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is January (22.2 days).
The months with the least sunshine days are June and July (17.3 days).
Average UV index in December
Fort Ann, 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
Fort Ann, NY
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in December
Fort Ann, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, November and December (6mi).
The months with the lowest visibility are January, February, March, June, July, August, September and October (5mi).