December weather forecastAdrian, OR
December
Weather in December
The first month of the winter, December, is still a cold month in Adrian, Oregon, with an average temperature varying between 24.3°F (-4.3°C) and 35.6°F (2°C).Temperature
December, recording an average high temperature of 35.6°F (2°C) and a low temperature of 24.3°F (-4.3°C), is Adrian's coldest month.Humidity
The average relative humidity in December is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.5" (38mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 7.8 days and accumulates 4.21" (107mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:02 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 5:21 pm MST.
Sunshine
The month with the least sunshine is December, 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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 30min
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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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
Adrian, OR
- 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).
