December weather forecast
Hebo, OR

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Weather in December

The first month of the winter, December, is still a chilly month in Hebo, Oregon, with temperature in the range of an average low of 38.7°F (3.7°C) and an average high of 45.5°F (7.5°C).

Temperature

In Hebo, Oregon, the lowest temperatures are generally noted in December, averaging a high of 45.5°F (7.5°C) and a low of 38.7°F (3.7°C).

Humidity

In Hebo, the average relative humidity in December is 83%.

Rainfall

The month with the most rainfall is December, when the rain falls for 15.5 days and typically aggregates up to 2.68" (68mm) of precipitation.

Snowfall

Months with snowfall in Hebo are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Hebo, there are 2.6 snowfall days, and 0.55" (14mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:34 pm. On the last day of December, in Hebo, sunrise is at 7:54 am and sunset at 4:43 pm PST.

Sunshine

The average sunshine in December in Hebo is 4h.

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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What time of the year is the coldest in Hebo?

Hebo, Oregon, reaches its average lowest temperatures in December, measuring 45.5°F (7.5°C) at the peak and 38.7°F (3.7°C) at the lowest.

What is the temperature in December in Hebo?

In December, in Hebo, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 38.7°F (3.7°C).

What is the average humidity in December in Hebo?

In December, the average relative humidity is 83%.

What is the rainiest month in Hebo?

December is the month with the most rainfall. Rain falls for 15.5 days and accumulates 2.68" (68mm) of precipitation.

How many days does it rain in December in Hebo?

In December, in Hebo, the rain falls for 15.5 days. Throughout December, 2.68" (68mm) of precipitation is accumulated.

When does it start to snow in Hebo?

December is the first month it typically snows in Hebo. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Hebo?

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

How many hours of daylight does Hebo have in December?

In Hebo, Oregon, the average day length in December is 8h and 49min.

When are sunrise and sunset in December in Hebo?

On the first day of December in Hebo, sunrise is at 7:35 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:43 pm PST.

How long on average sun shines in December in Hebo?

The average sunshine duration in December in Hebo, Oregon, is 4h.

When is the lowest UV index in Hebo?

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

What is the UV index reading in December in Hebo?

In Hebo, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hebo, OR

Average temperature in December - Hebo, OR
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in December: 38.7°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).

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Average pressure in December
Hebo, OR

Average pressure in December - Hebo, OR
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).

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Average wind speed in December
Hebo, OR

Average wind speed in December - Hebo, OR
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in December
Hebo, OR

Average humidity in December - Hebo, OR
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in December
Hebo, OR

Average rainfall in December - Hebo, OR
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in December
Hebo, OR

Average rainfall days in December - Hebo, OR
  • Average rainfall days in December: 15.5 days

The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).

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Average snowfall in December
Hebo, OR

Average snowfall in December - Hebo, OR
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Hebo, OR

Average snowfall days in December - Hebo, OR
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Hebo, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Hebo, OR

Average sunshine days in December - Hebo, OR
  • Average sunshine days in December: 13.4 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).

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Average UV index in December
Hebo, OR

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

The month with the highest UV index is July (UV index 5).
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
Hebo, OR

Average cloud cover in December - Hebo, OR
  • Average cloud cover in December: 57

The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Hebo, OR

Average visibility in December - Hebo, OR
  • Average visibility in December: 6mi

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

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Hebo, Oregon, USA

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