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
Stepping into December, Retsof observes a temperature decline, with the average high falling from November's chilly 45.1°F (7.3°C) to an icy 34.7°F (1.5°C). Retsof records a mean low-temperature of 24.8°F (-4°C) in December.Humidity
In December, the average relative humidity is 85%.Rainfall
In Retsof, in December, during 6.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 108.9 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
Months with snowfall in Retsof are January through May, October through December. In December, in Retsof, it is snowing for 12.1 days. Throughout December, 1.26" (32mm) of snow is accumulated. In Retsof, New York, during the entire year, snow falls for 59.7 days and aggregates up to 6.85" (174mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Retsof.On the first day of the month, sunrise is at 7:23 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:47 pm EST.
Sunshine
In Retsof, New York, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Retsof?
What is the average humidity in December in Retsof?
How much does it rain in Retsof in December?
How many days does it snow in December in Retsof?
What is the month with the shortest days in Retsof?
What is the average length of the day in December in Retsof?
When is the sunrise / sunset in December in Retsof?
How many hours of sunshine does Retsof have in December?
When is the lowest UV index in Retsof?
How high is the UV index in December in Retsof?
Average temperature in December
Retsof, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Retsof, 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
Retsof, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Retsof, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Retsof, NY
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Retsof, NY
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (12.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
Retsof, NY
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Retsof, NY
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Retsof, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Retsof, NY
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is September (18.5 days).
The months with the least sunshine days are March and April (14 days).
Average UV index in December
Retsof, 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 and December (UV index 1).
Average cloud cover in December
Retsof, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Retsof, 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).
Retsof, New York, USA
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