December weather forecastStanley Manor, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Stanley Manor, New York, with an average temperature fluctuating between 34.5°F (1.4°C) and 25.5°F (-3.6°C).Temperature
The onset of December introduces a moderate change in Stanley Manor's weather, with average high-temperatures falling from November's frosty 44.8°F (7.1°C) to a wintry 34.5°F (1.4°C). Stanley Manor encounters an average temperature dip to a freezing cold 25.5°F (-3.6°C) throughout December, subtly lower than its daytime maximum.Humidity
The average relative humidity in December is 85%.Rainfall
In Stanley Manor, during December, the rain falls for 9.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 141.4 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The months with the most snowfall are February and December, with an average 3.62" (92mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:31 pm. On the last day of December, in Stanley Manor, sunrise is at 7:36 am and sunset at 4:40 pm EST.
Sunshine
The average sunshine in December is 2.9h.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 exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stanley Manor, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Stanley Manor, 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 (29.92"Hg).
Average wind speed in December
Stanley Manor, NY
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Stanley Manor, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Stanley Manor, NY
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
Stanley Manor, NY
- Average rainfall days in December: 9.2 days
The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Stanley Manor, NY
- Average snowfall in December: 3.62"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Stanley Manor, NY
- Average snowfall days in December: 14.3 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
Stanley Manor, NY
- Average daylight in December: 9h and 6min
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 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Stanley Manor, NY
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Stanley Manor, 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 and December (UV index 1).
Average cloud cover in December
Stanley Manor, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Stanley Manor, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
