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
December, with its high-temperature average of 25.2°F (-3.8°C) and a low-temperature average of 9.5°F (-12.5°C), is the coldest month.Humidity
The average relative humidity in December is 89%.Rainfall
In Bern, in December, it is raining for 8.5 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 117.5 rainfall days, and 20.24" (514mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bern, Idaho, are January through June, September through December. In December, in Bern, it is snowing for 21.6 days. Throughout December, 14.49" (368mm) of snow is accumulated. In Bern, during the entire year, snow falls for 116.1 days and aggregates up to 91.14" (2315mm) 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 the month, sunrise is at 7:35 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:03 pm MST.
Sunshine
In December, the average sunshine in Bern is 4.7h.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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 1 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What time of the year is the coldest in Bern?
How cold is it in Bern in December?
What is the average humidity in December in Bern?
How many days does it rain in December in Bern?
How many days does it snow in December in Bern?
What is the month with the shortest days in Bern?
How many hours of daylight does Bern have in December?
When are sunrise and sunset in December in Bern?
How long on average sun shines in December in Bern?
What are the months with the lowest UV index in Bern?
What is the UV index reading in December in Bern?
Average temperature in December
Bern, ID
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is July (48.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Bern, 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
Bern, ID
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in December
Bern, ID
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Bern, ID
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in December
Bern, ID
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Bern, ID
- Average snowfall in December: 14.49"
The month with the highest snowfall is February (18.39").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Bern, ID
- Average snowfall days in December: 21.6 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Bern, 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 6min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Bern, ID
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Bern, 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
Bern, ID
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Bern, 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).
Bern, Idaho, USA
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