December weather forecast
Hood River, OR

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A red barn house in a farm field among scenic trees at the foot of a mountain with snowy peaks in Hood River, Oregon
A red barn house in a farm field among scenic trees at the foot of a mountain with snowy peaks in Hood River, Oregon

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 coldest period tends to be December, when average temperatures fluctuate between a high of 36°F (2.2°C) and a low of 27°F (-2.8°C).

Humidity

February and December, with an average relative humidity of 88%, are the most humid months.

Rainfall

In Hood River, in December, during 17.9 rainfall days, 5.08" (129mm) of precipitation is typically accumulated. 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 are January through March, November and December. In Hood River, in December, snow falls for 4.1 days, with typically accumulated 3.66" (93mm) of snow. 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 the month, sunrise is at 7:27 am and sunset at 4:23 pm. On the last day of December, 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

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What time of the year is the coldest?

Hood River experiences its average lowest temperatures in December, reaching a peak of 36°F (2.2°C) and a minimum of 27°F (-2.8°C).

How cold is it in December?

The high-temperature during December is 36°F (2.2°C) and the low-temperature is 27°F (-2.8°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 88%.

What is the average humidity in December?

In December, the average relative humidity is 88%.

How much does it rain in December?

In Hood River, Oregon, in December, during 17.9 rainfall days, 5.08" (129mm) of precipitation is typically accumulated.

How much does it snow in December?

In Hood River, in December, during 4.1 snowfall days, 3.66" (93mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 48min of daylight.

What is the average length of the day in December?

In Hood River, the average day length in December is 8h and 45min.

What time are sunrise and sunset in December?

On the first day of December in Hood River, 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.

How many hours of sunshine does Hood River have in December?

The average sunshine duration in December is 3.9h.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hood River, OR

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Hood River, OR
  • Average daylight in December: 8h and 5min

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 5min

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 - 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 - 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 - 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 - 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).

Hood River, Oregon, USA

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