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 comes with a drop in the average high-temperature, falling from November's wintry 38.8°F (3.8°C) to a subzero cold 28.2°F (-2.1°C). Rainbow Lake, in December, observes a steady average low-temperature of 18.1°F (-7.7°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In December, the rain falls for 8.9 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. In Rainbow Lake, during the entire year, the rain falls for 162.6 days and collects up to 33.46" (850mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Rainbow Lake, in December, snow falls for 22.2 days, with typically accumulated 11.46" (291mm) of snow. Throughout the year, there are 120.5 snowfall days, and 74.72" (1898mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:13 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:27 pm EST.
Sunshine
The average sunshine in December is 2.7h.UV index
The months with the lowest UV index in Rainbow Lake are January through March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Rainbow Lake?
How much 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 Rainbow Lake have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Rainbow Lake have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rainbow Lake, NY
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Rainbow Lake, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Rainbow Lake, NY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are August and September (5.9mph).
Average humidity in December
Rainbow Lake, NY
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Rainbow Lake, NY
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Rainbow Lake, NY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Rainbow Lake, NY
- Average snowfall in December: 11.46"
The month with the highest snowfall is February (14.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rainbow Lake, NY
- Average snowfall days in December: 22.2 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Rainbow Lake, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in December
Rainbow Lake, NY
- Average sunshine days in December: 5.9 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (2.8 days).
Average UV index in December
Rainbow Lake, NY
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Rainbow Lake, NY
- Average cloud cover in December: 75
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Rainbow Lake, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Rainbow Lake, New York, USA
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