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 coldest temperatures occur during December, when averages reach a peak of 22.3°F (-5.4°C) and a low of 6.8°F (-14°C).Humidity
In December, the average relative humidity in Island Park is 92%.Rainfall
In December, in Island Park, the rain falls for 5.4 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Island Park, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through July, September through December are months with snowfall. In Island Park, during December, snow falls for 23 days and regularly aggregates up to 16.5" (419mm) of snow. Throughout the year, in Island Park, there are 138.1 snowfall days, and 107.64" (2734mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Island Park.On the first day of the month, sunrise is at 7:42 am and sunset at 4:47 pm. On the last day of December, sunrise is at 8:01 am and sunset at 4:56 pm MST.
Sunshine
The average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the coldest month in Island Park?
How cold is December in Island Park?
What is the average humidity in December in Island Park?
How much does it rain in Island Park in December?
How much does it snow in Island Park in December?
What is the month with the shortest days in Island Park?
How many hours of daylight does Island Park have in December?
When are sunrise and sunset in December in Island Park?
How many hours of sunshine does Island Park have in December?
When is the lowest UV index in Island Park?
What is the UV index reading in December in Island Park?
Average temperature in December
Island Park, ID
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in December: 6.8°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in December
Island Park, ID
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Island Park, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Island Park, ID
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Island Park, ID
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Island Park, ID
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Island Park, ID
- Average snowfall in December: 16.5"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in December
Island Park, ID
- Average snowfall days in December: 23 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Island Park, ID
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Island Park, ID
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in December
Island Park, 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, February, November and December (UV index 1).
Average cloud cover in December
Island Park, ID
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Island Park, ID
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
Island Park, Idaho, USA
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