December weather forecast
Hazelwood, OR

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Weather in December

The first month of the winter, December, is also a frosty month in Hazelwood, Oregon, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 33.8°F (1°C).

Temperature

December, with an average high of 43.7°F (6.5°C) and a low of 33.8°F (1°C), signifies the coldest month of the year.

Humidity

The average relative humidity in December is 82%.

Rainfall

December is the month with the most rainfall in Hazelwood. Rain falls for 17.6 days and accumulates 5.31" (135mm) of precipitation.

Snowfall

Months with snowfall in Hazelwood, Oregon, are January through March, November and December. In Hazelwood, in December, snow falls for 1.2 days, with typically accumulated 0.67" (17mm) of snow. In Hazelwood, during the entire year, snow falls for 8.2 days and aggregates up to 5.87" (149mm) of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Hazelwood, Oregon.
On the first day of December in Hazelwood, sunrise is at 7:30 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:36 pm PST.

Sunshine

The average sunshine in December in Hazelwood is 4.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What is the coldest time of year in Hazelwood?

Hazelwood, Oregon, records the coldest temperatures in December, averaging a high of 43.7°F (6.5°C) and a low of 33.8°F (1°C).

How cold does it get in Hazelwood in December?

The average high-temperature and low-temperature in Hazelwood during December are 43.7°F (6.5°C) and 33.8°F (1°C) respectively.

What is the average humidity in December in Hazelwood?

In Hazelwood, the average relative humidity in December is 82%.

What is the rainiest month in Hazelwood?

December is the month with the most rainfall in Hazelwood, Oregon. Rain falls for 17.6 days and accumulates 5.31" (135mm) of precipitation.

How many days does it rain in December in Hazelwood?

In Hazelwood, Oregon, during December, the rain falls for 17.6 days and regularly aggregates up to 5.31" (135mm) of precipitation.

How many days does it snow in December in Hazelwood?

In Hazelwood, Oregon, in December, snow falls for 1.2 days, with typically accumulated 0.67" (17mm) of snow.

What is the month with the shortest days in Hazelwood?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

How many hours of daylight does Hazelwood have in December?

The average day length in December in Hazelwood is 8h and 46min.

When is the sunrise / sunset in December in Hazelwood?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 4:28 pm. On the last day of the month, in Hazelwood, sunrise is at 7:50 am and sunset at 4:36 pm PST.

How many hours of sunshine does Hazelwood have in December?

The average sunshine duration in December is 4.3h.

What are the months with the lowest UV index in Hazelwood?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Hazelwood?

In December, the average daily maximum UV index in Hazelwood, Oregon, is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Hazelwood, OR

Average temperature in December - Hazelwood, OR
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in December: 33.8°F

The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).

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Average pressure in December
Hazelwood, OR

Average pressure in December - Hazelwood, OR
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in December
Hazelwood, OR

Average wind speed in December - Hazelwood, OR
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in December
Hazelwood, OR

Average humidity in December - Hazelwood, OR
  • Average humidity in December: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in December
Hazelwood, OR

Average rainfall in December - Hazelwood, OR
  • Average rainfall in December: 5.31"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in December
Hazelwood, OR

Average rainfall days in December - Hazelwood, OR
  • Average rainfall days in December: 17.6 days

The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).

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Average snowfall in December
Hazelwood, OR

Average snowfall in December - Hazelwood, OR
  • Average snowfall in December: 0.67"

The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Hazelwood, OR

Average snowfall days in December - Hazelwood, OR
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.8 days).
The 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
Hazelwood, OR

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Hazelwood, OR

Average sunshine days in December - Hazelwood, OR
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).

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Average UV index in December
Hazelwood, OR

Average UV index in December - Hazelwood, 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, November and December (UV index 2).

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Average cloud cover in December
Hazelwood, OR

Average cloud cover in December - Hazelwood, OR
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in December
Hazelwood, OR

Average visibility in December - Hazelwood, OR
  • Average visibility in December: 5mi

The months with the highest visibility are August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (5mi).

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Hazelwood, Oregon, USA

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