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
In the transition to December, Salamanca observes a drop in the average high-temperature, moving from a frosty 43.7°F (6.5°C) in November to a wintry 34.2°F (1.2°C). In Salamanca, the average low-temperature during the month of December is a subzero cold 24.3°F (-4.3°C).Humidity
In Salamanca, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 9.2 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. In Salamanca, during the entire year, the rain falls for 159.5 days and collects up to 28.03" (712mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Salamanca, during December, snow falls for 15.5 days and regularly aggregates up to 7.36" (187mm) of snow. Throughout the year, there are 75.5 snowfall days, and 34.17" (868mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine is 2.5h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off 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 much does it rain in December?
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?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index in Salamanca?
How high is the UV index in December?
Average temperature in December
Salamanca, NY
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Salamanca, 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
Salamanca, NY
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Salamanca, NY
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).
Average rainfall in December
Salamanca, NY
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Salamanca, NY
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Salamanca, NY
- Average snowfall in December: 7.36"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Salamanca, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salamanca, 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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Salamanca, NY
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Salamanca, NY
- Average UV index in December: 1
The months with the highest UV index are 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
Salamanca, NY
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Salamanca, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Salamanca, New York, USA
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