December weather forecastHamlin, NY
December
Weather in December
The first month of the winter, December, is also an icy month in Hamlin, New York, with an average temperature fluctuating between 36.1°F (2.3°C) and 28.2°F (-2.1°C).Temperature
Transition into December marks a drop in the average high-temperature, moving from a chilly 45.7°F (7.6°C) in November to a wintry 36.1°F (2.3°C). Nighttime temperatures during December report a consistent average of 28.2°F (-2.1°C).Humidity
In Hamlin, the average relative humidity in December is 82%.Rainfall
In Hamlin, in December, it is raining for 10.1 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 163.5 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hamlin, in December, snow falls for 14.3 days, with typically accumulated 4.13" (105mm) of snow. In Hamlin, during the entire year, snow falls for 67.2 days and aggregates up to 21.97" (558mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:46 pm EST.
Sunshine
In Hamlin, the average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hamlin, New York. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hamlin, NY
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Hamlin, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Hamlin, NY
- Average wind speed in December: 11.5mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Hamlin, NY
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in December
Hamlin, NY
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Hamlin, NY
- Average rainfall days in December: 10.1 days
The months with the highest number of rainy days are August and October (17.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Hamlin, NY
- Average snowfall in December: 4.13"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hamlin, NY
- Average snowfall days in December: 14.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hamlin, NY
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Hamlin, NY
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in December
Hamlin, 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
Hamlin, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Hamlin, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





