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 Bloomington, the month of December registers the lowest temperatures, averaging 25.5°F (-3.6°C) at the peak and 9.9°F (-12.3°C) at the lowest.Humidity
In Bloomington, the average relative humidity in December is 89%.Rainfall
In December, in Bloomington, the rain falls for 5.5 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Bloomington, Idaho, during the entire year, the rain falls for 105.7 days and collects up to 16.69" (424mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Bloomington. In December, in Bloomington, it is snowing for 18.5 days. Throughout December, 9.09" (231mm) of snow is accumulated. In Bloomington, during the entire year, snow falls for 104.6 days and aggregates up to 63.58" (1615mm) of snow.Daylight
With an average of 9h and 12min 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 4:54 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:03 pm MST.
Sunshine
The average sunshine in December in Bloomington, Idaho, is 4.6h.UV index
The months with the lowest UV index in Bloomington, Idaho, are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Bloomington?
How cold is December in Bloomington?
What is the average humidity in December in Bloomington?
How many days does it rain in December in Bloomington?
How many days does it snow in December in Bloomington?
What is the month with the shortest days in Bloomington?
How many hours of daylight does Bloomington have in December?
When are sunrise and sunset in December in Bloomington?
How many hours of sunshine does Bloomington have in December?
What are the months with the lowest UV index in Bloomington?
What is the UV index reading in December in Bloomington?
Average temperature in December
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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
Bloomington, 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).
Bloomington, Idaho, USA
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