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 temperatures occur during December, when averages reach a peak of 37°F (2.8°C) and a low of 27.1°F (-2.7°C).Humidity
The months with the highest humidity in Rowena, Oregon, are January and December, with an average relative humidity of 85%.Rainfall
In Rowena, in December, during 15.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Rowena, there are 133.5 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rowena are January through March, November and December. In December, it is snowing for 4.4 days. Throughout December, 2.99" (76mm) of snow is accumulated. In Rowena, during the entire year, snow falls for 14.3 days and aggregates up to 11.06" (281mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Rowena.On the first day of December in Rowena, sunrise is at 7:26 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:31 pm PST.
Sunshine
In Rowena, the average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the coldest month in Rowena?
How cold is it in Rowena in December?
What is the most humid month in Rowena?
What is the average humidity in December in Rowena?
How many days does it rain in December in Rowena?
How many days does it snow in December in Rowena?
What is the month with the shortest days in Rowena?
What is the average length of the day in December in Rowena?
What time are sunrise and sunset in December in Rowena?
How long on average sun shines in December in Rowena?
When is the lowest UV index in Rowena?
What is the UV index reading in December in Rowena?
Average temperature in December
Rowena, OR
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in December
Rowena, OR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Rowena, OR
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).
Average humidity in December
Rowena, OR
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in December
Rowena, OR
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Rowena, OR
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in December
Rowena, OR
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Rowena, OR
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is December (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rowena, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Rowena, OR
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in December
Rowena, 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
Rowena, OR
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Rowena, OR
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Rowena, Oregon, USA
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