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 arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 42.8°F (6°C) to an icy 33.1°F (0.6°C). Preston witnesses an average low-temperature of 23.2°F (-4.9°C) throughout the month of December.Humidity
The average relative humidity in December in Preston is 87%.Rainfall
In Preston, New York, in December, during 9.4 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Preston, there are 144.3 rainfall days, and 23.07" (586mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Preston, New York. In Preston, New York, in December, snow falls for 13.1 days, with typically accumulated 5.75" (146mm) of snow. Throughout the year, there are 70.5 snowfall days, and 26.26" (667mm) of snow is accumulated.Daylight
December has the shortest days of the year in Preston, with an average of 9h and 6min of daylight.On the first day of December in Preston, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:39 pm EST.
Sunshine
In Preston, the average sunshine in December is 2.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is it in Preston in December?
What is the average humidity in December in Preston?
How many days does it rain in December in Preston?
How much does it snow in Preston in December?
What is the month with the shortest days in Preston?
How many hours of daylight does Preston have in December?
When are sunrise and sunset in December in Preston?
How long on average sun shines in December in Preston?
What are the months with the lowest UV index in Preston?
How high is the UV index in December in Preston?
Average temperature in December
Preston, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Preston, 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
Preston, NY
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Preston, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).
Average rainfall in December
Preston, NY
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are May and June (2.44").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Preston, NY
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Preston, NY
- Average snowfall in December: 5.75"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Preston, NY
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Preston, 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 month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Preston, NY
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Preston, 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, November and December (UV index 1).
Average cloud cover in December
Preston, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Preston, 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).
Preston, New York, USA
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