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
December
Weather in December
Temperature
December's arrival corresponds with a decrease in average high-temperatures, from November's chilly 47.8°F (8.8°C) to an icy 37.4°F (3°C). Lake Katrine records an average temperature drop to a freezing cold 25.3°F (-3.7°C) in December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 11.8 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Lake Katrine, during the entire year, the rain falls for 152.8 days and collects up to 26.1" (663mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lake Katrine, New York, during December, snow falls for 7.5 days and regularly aggregates up to 4.49" (114mm) of snow. Throughout the year, there are 40 snowfall days, and 19.02" (483mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:34 pm EST.
Sunshine
In Lake Katrine, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lake Katrine have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Lake Katrine have in December?
When is the lowest UV index?
How high is the UV index in December in Lake Katrine?
Average temperature in December
Lake Katrine, NY
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Lake Katrine, 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
Lake Katrine, NY
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Lake Katrine, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Lake Katrine, NY
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Lake Katrine, NY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Lake Katrine, NY
- Average snowfall in December: 4.49"
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
Lake Katrine, NY
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Katrine, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Lake Katrine, NY
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Lake Katrine, NY
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Lake Katrine, NY
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Lake Katrine, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).