December weather forecastEastport, ID
December
Weather in December
December, the first month of the winter in Eastport, is still a freezing cold month, with an average temperature ranging between min 16.3°F (-8.7°C) and max 27.3°F (-2.6°C).Temperature
Eastport experiences its lowest temperatures in December, with an average peak of 27.3°F (-2.6°C) and a low of 16.3°F (-8.7°C).Humidity
In December, the average relative humidity is 91%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.8 days and typically aggregates up to 2.76" (70mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. In December, it is snowing for 17.4 days. Throughout December, 9.45" (240mm) of snow is accumulated. In Eastport, during the entire year, snow falls for 70.6 days and aggregates up to 41.77" (1061mm) of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:18 am and sunset at 4:49 pm. On the last day of December, sunrise is at 8:38 am and sunset at 4:57 pm MST.
Sunshine
In Eastport, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Eastport, ID
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (27.3°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is August (47.7°F).
The coldest months (with the lowest average low temperature) are January and December (16.3°F).
Average pressure in December
Eastport, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Eastport, ID
- Average wind speed in December: 3.5mph
The windiest month (with the highest average wind speed) is June (4.3mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in December
Eastport, ID
- Average humidity in December: 91%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Eastport, ID
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in December
Eastport, ID
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is August (6.5 days).
Average snowfall in December
Eastport, ID
- Average snowfall in December: 9.45"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Eastport, ID
- Average snowfall days in December: 17.4 days
The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Eastport, ID
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Eastport, ID
- Average sunshine days in December: 10 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Eastport, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Eastport, ID
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Eastport, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





