December weather forecastWinthrop, NY
December
Weather in December
December, the first month of the winter in Winthrop, is also a subzero cold month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 19.4°F (-7°C).Temperature
In December, the average high-temperature goes from a wintry 42.1°F (5.6°C) in November to a freezing cold 29.7°F (-1.3°C). In the month of December, Winthrop witnesses a consistent average low-temperature of 19.4°F (-7°C).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 10.2 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 160.1 rainfall days, and 29.76" (756mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Winthrop. In Winthrop, during December, snow falls for 13.1 days and regularly aggregates up to 5.98" (152mm) of snow. Throughout the year, there are 70.6 snowfall days, and 36.02" (915mm) of snow is accumulated.Daylight
December has the shortest days of the year in Winthrop, with an average of 8h and 54min of daylight.On the first day of December in Winthrop, sunrise is at 7:17 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:28 pm EST.
Sunshine
In Winthrop, the average sunshine in December is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Winthrop, New York. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Winthrop, NY
- Average high temperature in December: 29.7°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 (23°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Winthrop, NY
- Average pressure in December: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Winthrop, NY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Winthrop, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Winthrop, NY
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Winthrop, NY
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Winthrop, NY
- Average snowfall in December: 5.98"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Winthrop, NY
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winthrop, NY
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Winthrop, NY
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in December
Winthrop, 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
Winthrop, NY
- Average cloud cover in December: 68
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Winthrop, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
