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, known for its average high temperature of 35.6°F (2°C) and an average low temperature of 24.3°F (-4.3°C), is the coldest month.Humidity
In Parma, the average relative humidity in December is 77%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 1.5" (38mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. December is the month with the most snowfall. Snow falls for 7.8 days and accumulates 4.21" (107mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 8:02 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 5:20 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h 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 hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
What is the rainiest month in Parma?
How much does it rain in December?
When does it snow the most in Parma?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Parma have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Parma have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Parma, ID
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in December
Parma, 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 (29.91"Hg).
Average wind speed in December
Parma, ID
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in December
Parma, ID
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in December
Parma, ID
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is December (1.5").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in December
Parma, ID
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in December
Parma, ID
- Average snowfall in December: 4.21"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Parma, ID
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Parma, ID
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Parma, ID
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in December
Parma, 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
Parma, ID
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Parma, ID
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Parma, Idaho, USA
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