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
Manchester's December weather comes with a decrease in average high-temperatures, moving from a frosty 46.2°F (7.9°C) in November to a wintry 35.8°F (2.1°C). In December, Manchester experiences a temperature dip to an average of 26.2°F (-3.2°C) at night.Humidity
In Manchester, the average relative humidity in December is 84%.Rainfall
In Manchester, in December, during 6.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Manchester, there are 123.3 rainfall days, and 11.54" (293mm) of precipitation is accumulated.Snowfall
Months with snowfall in Manchester are January through May, October through December. In Manchester, New York, in December, during 12.5 snowfall days, 2.17" (55mm) of snow is typically accumulated. Throughout the year, there are 62.5 snowfall days, and 10.04" (255mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Manchester.On the first day of December, sunrise is at 7:20 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:44 pm EST.
Sunshine
In Manchester, New York, the average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Manchester?
What is the average humidity in December in Manchester?
How much does it rain in Manchester in December?
How many days does it snow in December in Manchester?
What is the month with the shortest days in Manchester?
What is the average length of the day in December in Manchester?
What time are sunrise and sunset in December in Manchester?
How many hours of sunshine does Manchester have in December?
When is the lowest UV index in Manchester?
What is the UV index intensity in December in Manchester?
Average temperature in December
Manchester, NY
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Manchester, 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
Manchester, NY
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Manchester, NY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Manchester, NY
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Manchester, NY
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (13.9 days).
The months with the least rainy days are January and February (5.1 days).
Average snowfall in December
Manchester, NY
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Manchester, NY
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Manchester, 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 5min
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 36min).
Average sunshine days in December
Manchester, NY
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (12 days).
Average UV index in December
Manchester, 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
Manchester, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Manchester, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Manchester, New York, USA
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