December weather forecast
Redmond, OR

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The bright yellow eye and rays of the setting sun seen over the hilly and rocky scape in the Smith Rock State Park in Redmond, Oregon
The bright yellow eye and rays of the setting sun seen over the hilly and rocky scape in the Smith Rock State Park in Redmond, Oregon

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

Redmond experiences its lowest average temperatures in December, reaching a peak of 37°F (2.8°C) and a minimum of 25.7°F (-3.5°C).

Humidity

With an average relative humidity of 81%, December is the most humid month.

Rainfall

The month with the most rainfall in Redmond 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 December, in Redmond, Oregon, it is snowing for 12.1 days. Throughout December, 5.63" (143mm) of snow is accumulated. Throughout the year, in Redmond, there are 51.4 snowfall days, and 24.53" (623mm) of snow is accumulated.

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 7:21 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:35 pm PST.

Sunshine

The months with the least sunshine in Redmond, Oregon, are January and December, with an average of 5.6h of sunshine.

UV index

The months with the lowest UV index in Redmond, Oregon, are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What time of the year is the coldest in Redmond?

In Redmond, December is known for its average lowest temperatures, reaching a high of 37°F (2.8°C) and a low of 25.7°F (-3.5°C).

How cold is December in Redmond?

The high-temperature, in December, in Redmond, records 37°F (2.8°C), while the low-temperature is 25.7°F (-3.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 80.6°F (27°C).

What is the most humid month in Redmond?

The most humid month in Redmond, Oregon, is December, with an average relative humidity of 81%.

What is the average humidity in December in Redmond?

In Redmond, Oregon, the average relative humidity in December is 81%.

What is the wettest month in Redmond?

The month with the most rainfall in Redmond is December, when the rain falls for 13.4 days and typically aggregates up to 1.73" (44mm) of precipitation.

How much does it rain in Redmond in December?

In Redmond, Oregon, in December, it is raining for 13.4 days, with typically 1.73" (44mm) of accumulated precipitation.

How many days does it snow in December in Redmond?

In December, it is snowing for 12.1 days. Throughout December, 5.63" (143mm) of snow is accumulated.

What is the month with the shortest days in Redmond?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

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

In Redmond, the average day length in December is 8h and 55min.

When are sunrise and sunset in December in Redmond?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:26 pm. On the last day of the month, in Redmond, sunrise is at 7:40 am and sunset at 4:35 pm PST.

What are the months with the least sunshine in Redmond?

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Redmond, Oregon.

How long on average sun shines in December in Redmond?

The average sunshine duration in December in Redmond, Oregon, is 5.6h.

When is the lowest UV index in Redmond?

The months with the lowest UV index in Redmond, Oregon, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Redmond?

The average daily maximum UV index in December in Redmond, Oregon, is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Redmond, OR

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).

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Average pressure in December
Redmond, OR

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).

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Average wind speed in December
Redmond, OR

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).

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Average humidity in December
Redmond, OR

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%).

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Average rainfall in December
Redmond, OR

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").

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Average rainfall days in December
Redmond, OR

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).

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Average snowfall in December
Redmond, OR

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").

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Average snowfall days in December
Redmond, OR

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).

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

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

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 4min

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).

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Average sunshine days in December
Redmond, OR

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).

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Average UV index in December
Redmond, OR

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).

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Average cloud cover in December
Redmond, OR

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).

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Average visibility in December
Redmond, OR

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).

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Redmond, Oregon, USA

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