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
Junction City's December weather reaches an average high of 45.7°F (7.6°C) and an average low of 34.2°F (1.2°C), making it the coldest month.Humidity
January through March 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 18.2 days and typically aggregates up to 4.37" (111mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Junction City. In December, it is snowing for 0.3 days. Throughout December, 0.2" (5mm) of snow is accumulated. Throughout the year, there are 4.1 snowfall days, and 2.87" (73mm) of snow is accumulated.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 7:29 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:44 pm PST.
Sunshine
The average sunshine in December is 4.2h.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 unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What time of the year is the coldest in Junction City?
What is the temperature in December in Junction City?
What is the most humid month in Junction City?
What is the average humidity in December in Junction City?
What is the wettest month in Junction City?
How much does it rain in Junction City in December?
How many days does it snow in December in Junction City?
What is the month with the shortest days in Junction City?
How many hours of daylight does Junction City have in December?
When is the sunrise / sunset in December in Junction City?
How many hours of sunshine does Junction City have in December?
What are the months with the lowest UV index in Junction City?
What is the UV index reading in December in Junction City?
Average temperature in December
Junction City, OR
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in December
Junction City, OR
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Junction City, OR
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in December
Junction City, OR
- Average humidity in December: 87%
The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Junction City, OR
- Average rainfall in December: 4.37"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Junction City, OR
- Average rainfall days in December: 18.2 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in December
Junction City, OR
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Junction City, OR
- Average snowfall days in December: 0.3 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
Junction City, OR
- 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 August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Junction City, OR
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).
Average UV index in December
Junction City, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Junction City, OR
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Junction City, OR
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Junction City, Oregon, USA
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