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
December indicates a shift in the average high-temperature, from November's chilly 45°F (7.2°C) to a wintry 34.7°F (1.5°C). Smithboro records an average temperature drop to a subzero cold 25.2°F (-3.8°C) in December.Humidity
The average relative humidity in December is 84%.Rainfall
In Smithboro, during December, the rain falls for 11.2 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 159.5 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Smithboro, during December, snow falls for 15.8 days and regularly aggregates up to 6.5" (165mm) of snow. In Smithboro, during the entire year, snow falls for 78.9 days and aggregates up to 38.11" (968mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:44 pm EST.
Sunshine
In Smithboro, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index in Smithboro are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Smithboro have in December?
When are sunrise and sunset in December in Smithboro?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Smithboro, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Smithboro, NY
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Smithboro, NY
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Smithboro, NY
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, June and July (78%).
Average rainfall in December
Smithboro, NY
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Smithboro, NY
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Smithboro, NY
- Average snowfall in December: 6.5"
The month with the highest snowfall is February (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Smithboro, NY
- Average snowfall days in December: 15.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smithboro, 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: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Smithboro, NY
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in December
Smithboro, 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
Smithboro, NY
- Average cloud cover in December: 68
The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Smithboro, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Smithboro, New York, USA
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