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
In Border, December is the month with the lowest recorded average temperatures, measuring a high of 25.5°F (-3.6°C) and a low of 9.9°F (-12.3°C).Humidity
The average relative humidity in December in Border is 89%.Rainfall
In Border, in December, during 5.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 105.7 rainfall days, and 16.69" (424mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Border. In Border, in December, snow falls for 18.5 days, with typically accumulated 9.09" (231mm) of snow. Throughout the year, in Border, there are 104.6 snowfall days, and 63.58" (1615mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Border, sunrise is at 7:33 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:02 pm MST.
Sunshine
The average sunshine in December in Border, Idaho, is 4.6h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the coldest months in Border?
How cold is it in Border in December?
What is the average humidity in December in Border?
How many days does it rain in December in Border?
How much does it snow in Border in December?
What is the month with the shortest days in Border?
What is the average length of the day in December in Border?
When are sunrise and sunset in December in Border?
How long on average sun shines in December in Border?
What is the month with the lowest UV index in Border?
How high is the UV index in December in Border?
Average temperature in December
Border, ID
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in December: 9.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in December
Border, ID
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Border, ID
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Border, ID
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Border, ID
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in December
Border, ID
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Border, ID
- Average snowfall in December: 9.09"
The month with the highest snowfall is March (12.17").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Border, ID
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Border, ID
- 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 12min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Border, ID
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is July (18.4 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Border, ID
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Border, ID
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Border, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Border, Idaho, USA
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