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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 42.8°F (6°C) in November to a subzero cold 31.1°F (-0.5°C). In the month of December, the average temperature dips to 21°F (-6.1°C) during the night.Humidity
In December, the average relative humidity is 86%.Rainfall
In Harrisville, in December, during 10.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Harrisville, during the entire year, the rain falls for 165.7 days and collects up to 29.65" (753mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 18 days. Throughout December, 8.39" (213mm) of snow is accumulated. In Harrisville, during the entire year, snow falls for 89.7 days and aggregates up to 41.57" (1056mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:32 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Harrisville have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Harrisville have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Harrisville, NY
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 21°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 (11.5°F).
Average pressure in December
Harrisville, 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
Harrisville, NY
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Harrisville, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Harrisville, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Harrisville, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Harrisville, NY
- Average snowfall in December: 8.39"
The month with the highest snowfall is January (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrisville, NY
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrisville, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Harrisville, NY
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in December
Harrisville, 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
Harrisville, NY
- Average cloud cover in December: 69
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Harrisville, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Harrisville, New York, USA
Weather forecast for your location
2. Allow the app to use your location