December weather forecast
Dee, OR

Weather in December

The first month of the winter, December, is still a cold month in Dee, Oregon, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 27°F (-2.8°C).

Temperature

The coldest month is December, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 27°F (-2.8°C).

Humidity

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

Rainfall

In Dee, during December, the rain falls for 17.9 days and regularly aggregates up to 5.08" (129mm) of precipitation. Throughout the year, in Dee, there are 159.7 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Dee. In Dee, in December, snow falls for 4.1 days, with typically accumulated 3.66" (93mm) of snow. Throughout the year, in Dee, there are 15.1 snowfall days, and 14.33" (364mm) of snow is accumulated.

Daylight

With an average of 8.8h of daylight, December has the shortest days of the year in Dee.

Sunshine

The average sunshine in Dee, Oregon, is 3.9h.

UV index

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Dee?

With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 27°F (-2.8°C), December is the coldest month in Dee, Oregon.

What is the most humid month in Dee?

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

What is the average humidity in December in Dee?

The average relative humidity in December is 88%.

How much does it rain in Dee in December?

In December, in Dee, Oregon, the rain falls for 17.9 days. Throughout December, 5.08" (129mm) of precipitation is accumulated.

How much does it snow in Dee in December?

In Dee, Oregon, in December, snow falls for 4.1 days, with typically accumulated 3.66" (93mm) of snow.

What is the month with the shortest days in Dee?

With an average of 8.8h of daylight, December has the shortest days of the year in Dee, Oregon.

What is the average length of the day in December in Dee?

In Dee, Oregon, the average length of the day in December is 8.8h.

How long on average sun shines in December in Dee?

In December, the average sunshine is 3.9h.

How high is the UV index in December in Dee?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.

Average temperature in December
Dee, OR

Average temperature in December - Dee, 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).

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Average pressure in December
Dee, OR

Average pressure in December - Dee, OR
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is August (29.97").

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Average wind speed in December
Dee, OR

Average wind speed in December - Dee, 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).

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Average humidity in December
Dee, OR

Average humidity in December - Dee, OR
  • Average humidity in December: 88%

Months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).

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Average rainfall in December
Dee, OR

Average rainfall in December - Dee, 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").

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Average rainfall days in December
Dee, OR

Average rainfall days in December - Dee, 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).

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Average snowfall in December
Dee, OR

Average snowfall in December - Dee, OR
  • Average snowfall in December: 3.66"

The month with the highest snowfall is February (4.76").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Dee, OR

Average snowfall days in December - Dee, OR
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is December (4.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Dee, OR

Average daylight in December / Average sunshine in December - Dee, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 3.9h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in December
Dee, OR

Average sunshine days in December - Dee, 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).

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Average UV index in December
Dee, OR

Average UV index in December - Dee, OR
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February and November (UV index 1).

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Average cloud cover in December
Dee, OR

Average cloud cover in December - Dee, OR
  • Average cloud cover in December: 62

Months with the most cloud cover are January and February (Cloud cover 64).
Months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in December
Dee, OR

Average visibility in December - Dee, OR
  • Average visibility in December: 4mi

Months with the highest visibility are May, June, July, August and September (6mi).
Months with the lowest visibility are January, February and December (4mi).

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