December weather forecastHighland Mills, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Highland Mills, New York, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 38.8°F (3.8°C).Temperature
In Highland Mills, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 48.6°F (9.2°C) to a cold 38.8°F (3.8°C). Highland Mills records a mean low-temperature of 27.3°F (-2.6°C) in December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In December, in Highland Mills, the rain falls for 8.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Highland Mills, during the entire year, the rain falls for 141.2 days and collects up to 25" (635mm) of precipitation.Snowfall
Months with snowfall in Highland Mills are January through May, October through December. In December, it is snowing for 4.9 days. Throughout December, 2.83" (72mm) of snow is accumulated. In Highland Mills, during the entire year, snow falls for 28.3 days and aggregates up to 17.68" (449mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:37 pm EST.
Sunshine
In Highland Mills, the average sunshine in December is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. 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
Average temperature in December
Highland Mills, NY
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Highland Mills, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Highland Mills, NY
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Highland Mills, 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
Highland Mills, NY
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Highland Mills, NY
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Highland Mills, NY
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Highland Mills, NY
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Highland Mills, NY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Highland Mills, NY
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Highland Mills, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Highland Mills, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Highland Mills, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
