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
The onset of December comes with a shift in the average high-temperature, falling from a frosty 43.7°F (6.5°C) in November to a cold 33.3°F (0.7°C). Siloam maintains an average low-temperature of 24.3°F (-4.3°C) throughout December's nights.Humidity
In Siloam, the average relative humidity in December is 86%.Rainfall
In Siloam, New York, in December, during 9.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Siloam, during the entire year, the rain falls for 161.6 days and collects up to 36.02" (915mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Siloam, in December, snow falls for 15.9 days, with typically accumulated 10.2" (259mm) of snow. In Siloam, during the entire year, snow falls for 88.2 days and aggregates up to 50.98" (1295mm) of snow.Daylight
December has the shortest days of the year in Siloam, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:29 pm. On the last day of December, in Siloam, sunrise is at 7:33 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December in Siloam is 3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Siloam?
What is the average humidity in December in Siloam?
How many days does it rain in December in Siloam?
How many days does it snow in December in Siloam?
What is the month with the shortest days in Siloam?
How many hours of daylight does Siloam have in December?
What time are sunrise and sunset in December in Siloam?
How long on average sun shines in December in Siloam?
What is the month with the lowest UV index in Siloam?
What is the UV index reading in December in Siloam?
Average temperature in December
Siloam, NY
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Siloam, 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
Siloam, NY
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Siloam, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Siloam, NY
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Siloam, NY
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Siloam, NY
- Average snowfall in December: 10.2"
The month with the highest snowfall is February (10.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Siloam, NY
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siloam, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Siloam, NY
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in December
Siloam, 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, February and December (UV index 1).
Average cloud cover in December
Siloam, NY
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Siloam, NY
- Average visibility in December: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January and February (4mi).
Siloam, New York, USA
Weather forecast for your location
2. Allow the app to use your location