December weather forecastHerkimer, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Herkimer, New York, with an average temperature fluctuating between 22.8°F (-5.1°C) and 32.5°F (0.3°C).Temperature
As November transitions into December, Herkimer sees a drop in the average high-temperature, transitioning from a chilly 43.3°F (6.3°C) to a wintry 32.5°F (0.3°C). In December, Herkimer experiences an average nighttime temperature of 22.8°F (-5.1°C).Humidity
The average relative humidity in December is 86%.Rainfall
In Herkimer, in December, it is raining for 11.2 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 161.1 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Herkimer, in December, during 15.8 snowfall days, 7.17" (182mm) of snow is typically accumulated. In Herkimer, during the entire year, snow falls for 80.6 days and aggregates up to 32.8" (833mm) 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 December, sunrise is at 7:12 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:35 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index in Herkimer are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Herkimer, NY
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Herkimer, 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
Herkimer, NY
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Herkimer, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Herkimer, NY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Herkimer, NY
- Average rainfall days in December: 11.2 days
The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Herkimer, NY
- Average snowfall in December: 7.17"
The months with the highest snowfall are January and February (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Herkimer, NY
- Average snowfall days in December: 15.8 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Herkimer, NY
- Average daylight in December: 9h and 6min
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 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Herkimer, NY
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (4.9 days).
Average UV index in December
Herkimer, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Herkimer, NY
- Average cloud cover in December: 70
The months with the most cloud cover are January and February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Herkimer, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
