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
December involves a decrease in temperature, down from a frosty 43.7°F (6.5°C) in November to a cold 32.9°F (0.5°C). Mannsville registers an average low-temperature of 24.4°F (-4.2°C) throughout December, a modest decrease from its daytime highs.Humidity
The average relative humidity in December is 84%.Rainfall
In Mannsville, during December, the rain falls for 10.2 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Mannsville is December, when snow falls for 16.4 days and typically aggregates up to 9.21" (234mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Mannsville.On the first day of December in Mannsville, sunrise is at 7:18 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:37 pm EST.
Sunshine
In Mannsville, 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 in Mannsville. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Mannsville in December?
What is the average humidity in December in Mannsville?
How much does it rain in Mannsville in December?
What is the snowiest month in Mannsville?
How much does it snow in Mannsville in December?
What is the month with the shortest days in Mannsville?
How many hours of daylight does Mannsville have in December?
When is the sunrise / sunset in December in Mannsville?
How long on average sun shines in December in Mannsville?
When is the lowest UV index in Mannsville?
What is the UV index reading in December in Mannsville?
Average temperature in December
Mannsville, NY
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Mannsville, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Mannsville, NY
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Mannsville, NY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in December
Mannsville, NY
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Mannsville, NY
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is October (17.4 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in December
Mannsville, NY
- Average snowfall in December: 9.21"
The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mannsville, NY
- Average snowfall days in December: 16.4 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mannsville, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Mannsville, NY
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is September (15 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in December
Mannsville, 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
Mannsville, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Mannsville, 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).
Mannsville, New York, USA
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