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 Cocolalla, Idaho, December is the coldest month, with temperatures averaging a high of 29.7°F (-1.3°C) and a low of 19.4°F (-7°C).Humidity
In December, the average relative humidity in Cocolalla is 91%.Rainfall
The months with the most rainfall in Cocolalla are January and December, with an average 3.07" (78mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Cocolalla, during December, snow falls for 17.7 days and regularly aggregates up to 13.94" (354mm) of snow. Throughout the year, in Cocolalla, there are 78 snowfall days, and 56.73" (1441mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December in Cocolalla, sunrise is at 7:16 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:03 pm PST.
Sunshine
The months with the least sunshine in Cocolalla, Idaho, are January and December, with an average of 3.3h of sunshine.UV index
February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Cocolalla. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Cocolalla?
How cold is it in Cocolalla in December?
What is the average humidity in December in Cocolalla?
What is the rainiest month in Cocolalla?
How much does it rain in Cocolalla in December?
How many days does it snow in December in Cocolalla?
What is the month with the shortest days in Cocolalla?
How many hours of daylight does Cocolalla have in December?
When are sunrise and sunset in December in Cocolalla?
What is the month with the least sunshine in Cocolalla?
How many hours of sunshine does Cocolalla have in December?
When is the lowest UV index in Cocolalla?
What is the UV index intensity in December in Cocolalla?
Average temperature in December
Cocolalla, ID
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in December
Cocolalla, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Cocolalla, ID
- Average wind speed in December: 3.4mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in December
Cocolalla, 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 (51%).
Average rainfall in December
Cocolalla, ID
- Average rainfall in December: 3.07"
The wettest months (with the highest rainfall) are January and December (3.07").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Cocolalla, ID
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is April (18.1 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
Cocolalla, ID
- Average snowfall in December: 13.94"
The month with the highest snowfall is January (15.94").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Cocolalla, ID
- Average snowfall days in December: 17.7 days
The month with the highest number of snowfall days is December (17.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cocolalla, ID
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in December
Cocolalla, ID
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is August (22.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in December
Cocolalla, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in December
Cocolalla, ID
- Average cloud cover in December: 66
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Cocolalla, ID
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Cocolalla, Idaho, USA
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