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 time of the year is December, with temperatures averaging a high of 32.9°F (0.5°C) and a low of 21.2°F (-6°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Weiser, during December, the rain falls for 9.7 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Weiser, during the entire year, the rain falls for 115.6 days and collects up to 13.66" (347mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 9.5 days and accumulates 7.4" (188mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:04 am and sunset at 5:10 pm. On the last day of December, sunrise is at 8:23 am and sunset at 5:19 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in December?
What is the average humidity in December in Weiser?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Weiser have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Weiser have in December?
What is the month with the lowest UV index in Weiser?
How high is the UV index in December?
Average temperature in December
Weiser, ID
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is August (60.6°F).
The coldest months (with the lowest average low temperature) are January and December (21.2°F).
Average pressure in December
Weiser, ID
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Weiser, ID
- Average wind speed in December: 3.7mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is January (3.3mph).
Average humidity in December
Weiser, ID
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (32%).
Average rainfall in December
Weiser, ID
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is March (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Weiser, ID
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in December
Weiser, ID
- Average snowfall in December: 7.4"
The month with the highest snowfall is December (7.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Weiser, ID
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Weiser, 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 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Weiser, ID
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is March (12 days).
Average UV index in December
Weiser, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Weiser, ID
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
Weiser, ID
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Weiser, Idaho, USA
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