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, noted for its average high-temperature of 46°F (7.8°C) and an average low-temperature of 33.1°F (0.6°C), is considered the coldest month.Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 17.9 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Idleyld Park, during December, snow falls for 0.9 days and regularly aggregates up to 0.43" (11mm) of snow. In Idleyld Park, during the entire year, snow falls for 5.2 days and aggregates up to 4.09" (104mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:46 pm PST.
Sunshine
In Idleyld Park, the average sunshine in December is 4.3h.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 exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
What is the rainiest month in Idleyld Park?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Idleyld Park have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Idleyld Park, OR
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in December
Idleyld Park, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Idleyld Park, OR
- Average wind speed in December: 3.9mph
The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in December
Idleyld Park, OR
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Idleyld Park, OR
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Idleyld Park, OR
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Idleyld Park, OR
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Idleyld Park, OR
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2 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
Idleyld Park, OR
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Idleyld Park, OR
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Idleyld Park, OR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Idleyld Park, OR
- Average cloud cover in December: 57
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Idleyld Park, OR
- Average visibility in December: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Idleyld Park, Oregon, USA
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