December weather forecast
Hines, OR

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Weather in December

The first month of the winter, December, is also an icy month in Hines, Oregon, with an average temperature ranging between min 21°F (-6.1°C) and max 33.1°F (0.6°C).

Temperature

Hines experiences its lowest average temperatures in December, reaching a peak of 33.1°F (0.6°C) and a minimum of 21°F (-6.1°C).

Humidity

December is the most humid month in Hines, with an average relative humidity of 82%.

Rainfall

December is the month with the most rainfall. Rain falls for 8.9 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 15 days and typically aggregates up to 10.2" (259mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:29 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.2h of sunshine.

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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Hines, December registers the lowest temperatures, averaging 33.1°F (0.6°C) at the peak and 21°F (-6.1°C) at the lowest.

How cold is it in December?

In December, in Hines, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 21°F (-6.1°C).

What is the most humid month?

With an average relative humidity of 82%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December is 82%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 8.9 days and typically aggregates up to 1.73" (44mm) of precipitation.

How many days does it rain in December?

In Hines, during December, the rain falls for 8.9 days and regularly aggregates up to 1.73" (44mm) of precipitation.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 15 days and accumulates 10.2" (259mm) of snow.

How much does it snow in December?

In Hines, Oregon, during December, snow falls for 15 days and regularly aggregates up to 10.2" (259mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

How many hours of daylight does Hines have in December?

The average day length in December is 9h and 1min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:29 pm PST.

What is the month with the least sunshine?

With an average of 5.2h of sunshine, December has the least sunshine of the year in Hines.

How many hours of sunshine does Hines have in December?

In December, the average sunshine duration is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December in Hines?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Hines, OR

Average temperature in December - Hines, OR
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (33.1°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).

Average pressure in December
Hines, OR

Average pressure in December - Hines, OR
  • Average pressure in December: 30.2"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in December
Hines, OR

Average wind speed in December - Hines, OR
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are January and August (7.1mph).

Average humidity in December
Hines, OR

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

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is August (32%).

Average rainfall in December
Hines, OR

Average rainfall in December - Hines, 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 (0.16").

Average rainfall days in December
Hines, OR

Average rainfall days in December - Hines, OR
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (3.4 days).

Average snowfall in December
Hines, OR

Average snowfall in December - Hines, OR
  • Average snowfall in December: 10.2"

The month with the highest snowfall is December (10.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Hines, OR

Average snowfall days in December - Hines, OR
  • Average snowfall days in December: 15 days

The month with the highest number of snowfall days is December (15 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Hines, OR
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Hines, OR

Average sunshine days in December - Hines, 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 (10.4 days).

Average UV index in December
Hines, OR

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Hines, OR

Average cloud cover in December - Hines, OR
  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in December
Hines, OR

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

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

Hines, Oregon, USA

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