December weather forecastNorway, OR
December
Weather in December
The first month of the winter, December, is also a frosty month in Norway, Oregon, with an average temperature ranging between max 49.1°F (9.5°C) and min 37.8°F (3.2°C).Temperature
December, marked by an average high-temperature of 49.1°F (9.5°C) and a low-temperature of 37.8°F (3.2°C), is the coldest month.Humidity
The average relative humidity in December is 85%.Rainfall
December is the month with the most rainfall. Rain falls for 18 days and accumulates 5.12" (130mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:51 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are 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 unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Norway, OR
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is February (37.4°F).
Average pressure in December
Norway, OR
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Norway, OR
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Norway, OR
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in December
Norway, OR
- Average rainfall in December: 5.12"
The wettest month (with the highest rainfall) is December (5.12").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Norway, OR
- Average rainfall days in December: 18 days
The month with the highest number of rainy days is March (19.1 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in December
Norway, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Norway, OR
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Norway, OR
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Norway, OR
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Norway, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Norway, OR
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Norway, OR
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, October, November and December (5mi).
The months with the lowest visibility are June, July, August and September (4mi).
