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 transition into December involves a decrease in the average high-temperature, falling from a chilly 43.2°F (6.2°C) in November to a wintry 33.4°F (0.8°C). In the month of December, an average of 24.1°F (-4.4°C) marks the low-temperature.Humidity
In Machias, New York, the average relative humidity in December is 88%.Rainfall
In Machias, New York, in December, it is raining for 9.6 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Machias, there are 177.9 rainfall days, and 33.7" (856mm) of precipitation is accumulated.Snowfall
Months with snowfall in Machias, New York, are January through May, October through December. In Machias, in December, during 18.5 snowfall days, 9.88" (251mm) of snow is typically accumulated. Throughout the year, in Machias, there are 94.3 snowfall days, and 48.23" (1225mm) of snow is accumulated.Daylight
December has the shortest days of the year in Machias, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:42 pm. On the last day of December, in Machias, sunrise is at 7:43 am and sunset at 4:51 pm EST.
Sunshine
The average sunshine in December is 2.4h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Machias in December?
What is the average humidity in December in Machias?
How many days does it rain in December in Machias?
How many days does it snow in December in Machias?
What is the month with the shortest days in Machias?
What is the average length of the day in December in Machias?
When are sunrise and sunset in December in Machias?
How long on average sun shines in December in Machias?
What is the month with the lowest UV index in Machias?
What is the UV index intensity in December in Machias?
Average temperature in December
Machias, NY
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Machias, 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
Machias, NY
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Machias, NY
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).
Average rainfall in December
Machias, NY
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is April (3.5").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Machias, NY
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Machias, NY
- Average snowfall in December: 9.88"
The month with the highest snowfall is February (11.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Machias, NY
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Machias, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Machias, NY
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is September (11.5 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in December
Machias, 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 January, February and December (UV index 1).
Average cloud cover in December
Machias, NY
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in December
Machias, NY
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Machias, New York, USA
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