December weather forecastHood River, OR

December
Weather in December
December brings along the full force of winter to Hood River. The weather conditions in Hood River, Oregon tend to be the coldest in December. An increase in snowfall accompanies the decreasing temperatures, marking a white Christmas. The chilly weather promotes indoor activities and fosters a cosy festive spirit. The amount of snowfall increases remarkably from 0.67" (17mm) in November to 3.66" (93mm) in December, setting the ground for the snowy beginnings of a new year.Temperature
The month of December sees the lowest average temperatures, reaching 36°F (2.2°C) at the peak and 27°F (-2.8°C) at the low.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 88%.Rainfall
In Hood River, Oregon, during December, the rain falls for 17.9 days and regularly aggregates up to 5.08" (129mm) of precipitation. In Hood River, during the entire year, the rain falls for 159.7 days and collects up to 31.42" (798mm) of precipitation.Snowfall
Months with snowfall in Hood River are January through March, November and December. In Hood River, in December, during 4.1 snowfall days, 3.66" (93mm) of snow is typically accumulated. In Hood River, during the entire year, snow falls for 15.1 days and aggregates up to 14.33" (364mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:27 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:32 pm PST.
Sunshine
In Hood River, the average sunshine in December is 3.9h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hood River, OR
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in December
Hood River, OR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Hood River, OR
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in December
Hood River, OR
- Average humidity in December: 88%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in December
Hood River, OR
- Average rainfall in December: 5.08"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Hood River, OR
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in December
Hood River, OR
- Average snowfall in December: 3.66"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hood River, OR
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is December (4.1 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
Hood River, OR
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Hood River, OR
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in December
Hood River, 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 and November (UV index 1).
Average cloud cover in December
Hood River, OR
- Average cloud cover in December: 62
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in December
Hood River, OR
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).





