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
Transition into December marks a drop in the average high-temperature, moving from a chilly 43.7°F (6.5°C) in November to a wintry 34.5°F (1.4°C). A mild drop to an average of 25.9°F (-3.4°C) marks the nights during December.Humidity
The average relative humidity in December is 87%.Rainfall
In Gerry, New York, in December, during 9.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 163.4 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 17.1 days and typically aggregates up to 7.68" (195mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine is 2.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Gerry have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Gerry, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Gerry, 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
Gerry, NY
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Gerry, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and September (81%).
Average rainfall in December
Gerry, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Gerry, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Gerry, NY
- Average snowfall in December: 7.68"
The month with the highest snowfall is December (7.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gerry, NY
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gerry, 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 12min).
- Average sunshine in December: 2h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Gerry, NY
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in December
Gerry, 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
Gerry, NY
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Gerry, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (4mi).
Gerry, New York, USA
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