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
The onset of December comes with a shift in the average high-temperature, falling from a frosty 44.8°F (7.1°C) in November to a wintry 34.5°F (1.4°C). December nighttime temperatures hover close to the daytime peak with an average of 25.7°F (-3.5°C).Humidity
In Casowasco, the average relative humidity in December is 85%.Rainfall
In December, in Casowasco, the rain falls for 5.5 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Casowasco, during the entire year, the rain falls for 115.7 days and collects up to 11.06" (281mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Casowasco, during December, snow falls for 12.2 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, in Casowasco, there are 61.9 snowfall days, and 12.95" (329mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Casowasco, sunrise is at 7:17 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:42 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is December in Casowasco?
What is the average humidity in December in Casowasco?
How many days does it rain in December in Casowasco?
How many days does it snow in December in Casowasco?
What is the month with the shortest days in Casowasco?
How many hours of daylight does Casowasco have in December?
What time are sunrise and sunset in December in Casowasco?
How many hours of sunshine does Casowasco have in December?
When is the lowest UV index in Casowasco?
What is the UV index intensity in December in Casowasco?
Average temperature in December
Casowasco, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Casowasco, 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 (29.93"Hg).
Average wind speed in December
Casowasco, NY
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Casowasco, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Casowasco, NY
- Average rainfall in December: 0.75"
The wettest months (with the highest rainfall) are May and June (1.22").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in December
Casowasco, NY
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Casowasco, NY
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Casowasco, NY
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Casowasco, 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: 3h and 0min
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 30min).
Average sunshine days in December
Casowasco, NY
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in December
Casowasco, 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, February and December (UV index 1).
Average cloud cover in December
Casowasco, NY
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Casowasco, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and July (5mi).
Casowasco, New York, USA
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