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
As November transitions into December, Swormville sees a drop in the average high-temperature, transitioning from a frosty 45.5°F (7.5°C) to an icy 35.4°F (1.9°C). Swormville reports an average low-temperature of 27°F (-2.8°C) during the subtly cooler December nights.Humidity
The average relative humidity in December in Swormville is 84%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Swormville, during the entire year, the rain falls for 139.2 days and collects up to 14.84" (377mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Swormville, during December, snow falls for 13.2 days and regularly aggregates up to 2.28" (58mm) of snow. In Swormville, during the entire year, snow falls for 62.1 days and aggregates up to 12.68" (322mm) of snow.Daylight
December has the shortest days of the year in Swormville, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:46 am and sunset at 4:50 pm EST.
Sunshine
The average sunshine in December is 2.7h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Swormville, New York. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Swormville?
What is the average humidity in December in Swormville?
How much does it rain in Swormville in December?
How many days does it snow in December in Swormville?
What is the month with the shortest days in Swormville?
What is the average length of the day in December in Swormville?
When is the sunrise / sunset in December in Swormville?
How many hours of sunshine does Swormville have in December?
When is the lowest UV index in Swormville?
What is the UV index intensity in December in Swormville?
Average temperature in December
Swormville, NY
- Average high temperature in December: 35.4°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 (29.3°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Swormville, 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 (29.93"Hg).
Average wind speed in December
Swormville, NY
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Swormville, NY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in December
Swormville, NY
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Swormville, NY
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Swormville, NY
- Average snowfall in December: 2.28"
The months with the highest snowfall are January and February (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Swormville, NY
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Swormville, NY
- Average daylight in December: 9h and 1min
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: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Swormville, NY
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in December
Swormville, 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, February and December (UV index 1).
Average cloud cover in December
Swormville, NY
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Swormville, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Swormville, New York, USA
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