December weather forecastRedmond, OR
December
Weather in December
Winter in Redmond officially sets in December, recording the lowest average temperature at 25.7°F (-3.5°C). The weather chart inks more rainfall and a significant return of snowfall. It is a stark departure from the preceding month’s conditions, with the chilly air being more palpable. Under almost half-covered clouds, the sun manages to provide solace for nearly 5.6 hours per day. Despite the mercury dipping low, the month maintains a vibrant holiday spirit.Temperature
December, with its average high-temperature of 37°F (2.8°C) and an average low-temperature of 25.7°F (-3.5°C), holds the record as the coldest month.Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
The month with the most rainfall is December, when the rain falls for 13.4 days and typically aggregates up to 1.73" (44mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Redmond, in December, snow falls for 12.1 days, with typically accumulated 5.63" (143mm) of snow. In Redmond, during the entire year, snow falls for 51.4 days and aggregates up to 24.53" (623mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Redmond.On the first day of December, sunrise is at 7:21 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:35 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
January through March, 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 minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Redmond, OR
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (37°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in December
Redmond, OR
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Redmond, OR
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in December
Redmond, OR
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in December
Redmond, OR
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Redmond, OR
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Redmond, OR
- Average snowfall in December: 5.63"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Redmond, OR
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is December (12.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Redmond, OR
- Average daylight in December: 8h and 54min
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: 5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Redmond, OR
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in December
Redmond, 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, March, November and December (UV index 2).
Average cloud cover in December
Redmond, OR
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Redmond, OR
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
