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 average high-temperature drops in December, from November's frosty 43.2°F (6.2°C) to a cold 32.9°F (0.5°C). Nighttime temperature in Richmondville, New York, lowers to an average of 22.8°F (-5.1°C) in December.Humidity
The average relative humidity in December is 85%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. In Richmondville, during the entire year, the rain falls for 165.5 days and collects up to 32.83" (834mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 15.5 days. Throughout December, 8.66" (220mm) of snow is accumulated. In Richmondville, during the entire year, snow falls for 81.8 days and aggregates up to 42.09" (1069mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:34 pm EST.
Sunshine
In December, the average sunshine in Richmondville, New York, is 3.4h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Richmondville in December?
What is the average humidity in December in Richmondville?
How many days does it rain in December in Richmondville?
How many days does it snow in December in Richmondville?
What is the month with the shortest days in Richmondville?
How many hours of daylight does Richmondville have in December?
When is the sunrise / sunset in December in Richmondville?
How long on average sun shines in December in Richmondville?
When is the lowest UV index in Richmondville?
What is the UV index reading in December in Richmondville?
Average temperature in December
Richmondville, NY
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Richmondville, 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 (29.92"Hg).
Average wind speed in December
Richmondville, NY
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Richmondville, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Richmondville, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Richmondville, NY
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Richmondville, NY
- Average snowfall in December: 8.66"
The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Richmondville, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richmondville, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Richmondville, NY
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.1 days).
Average UV index in December
Richmondville, 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 February, November and December (UV index 1).
Average cloud cover in December
Richmondville, NY
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Richmondville, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Richmondville, New York, USA
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