December weather forecastMadras, OR

December
Weather in December
December embodies cold winter days in Madras, with frequent snowfalls and chilly temperatures. As the year comes to a close, the weather turns frostier, culminating in a white, picturesque winter landscape. The month sees the year's highest snowfall, with a dominant intensity of 3.94" (100mm). Along with short daylight hours, this commands indoor warmth and hot cuppas. The preparations for holiday cheer align harmoniously with the wintry ambience, summing up a remarkable weather journey throughout the year in Madras.Temperature
December, with its high-temperature average of 37.9°F (3.3°C) and a low-temperature average of 26.2°F (-3.2°C), is the coldest month.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 12.4 days and typically aggregates up to 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through May, September, November and December. In Madras, in December, during 9.1 snowfall days, 3.94" (100mm) of snow is typically accumulated. In Madras, Oregon, during the entire year, snow falls for 35.3 days and aggregates up to 17.6" (447mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:34 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Madras, OR
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in December
Madras, 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 (29.96"Hg).
Average wind speed in December
Madras, OR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Madras, 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 (48%).
Average rainfall in December
Madras, OR
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Madras, OR
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).
Average snowfall in December
Madras, OR
- Average snowfall in December: 3.94"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in December
Madras, OR
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Madras, 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 18min
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 18min).
Average sunshine days in December
Madras, OR
- Average sunshine days in December: 13 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
Madras, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Madras, OR
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Madras, 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).





