December weather forecast
Tygh Valley, OR

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Weather in December

The first month of the winter, December, is also an icy month in Tygh Valley, Oregon, with an average temperature varying between 34.9°F (1.6°C) and 26.1°F (-3.3°C).

Temperature

December is Tygh Valley's coldest month, registering average high temperatures of 34.9°F (1.6°C) and lows of 26.1°F (-3.3°C).

Humidity

In Tygh Valley, the average relative humidity in December is 87%.

Rainfall

In December, the rain falls for 8.6 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. In Tygh Valley, during the entire year, the rain falls for 116 days and collects up to 23.15" (588mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In December, in Tygh Valley, it is snowing for 18.6 days. Throughout December, 20.83" (529mm) of snow is accumulated. Throughout the year, there are 104.7 snowfall days, and 104.33" (2650mm) of snow is accumulated.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:32 pm PST.

Sunshine

January, February and December, with an average of 4.1h of sunshine, are months with the least sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Tygh Valley. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What is the coldest time of year in Tygh Valley?

With average high and low temperatures of 34.9°F (1.6°C) and 26.1°F (-3.3°C) respectively, December is Tygh Valley's coldest month.

How cold is December in Tygh Valley?

The average high-temperature, in December, in Tygh Valley, is 34.9°F (1.6°C), while the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in December in Tygh Valley?

In December, the average relative humidity in Tygh Valley is 87%.

How much does it rain in Tygh Valley in December?

In December, the rain falls for 8.6 days. Throughout December, 3.5" (89mm) of precipitation is accumulated.

How many days does it snow in December in Tygh Valley?

In Tygh Valley, Oregon, in December, during 18.6 snowfall days, 20.83" (529mm) of snow is typically accumulated.

What is the month with the shortest days in Tygh Valley?

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

What is the average length of the day in December in Tygh Valley?

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

What time are sunrise and sunset in December in Tygh Valley?

On the first day of December in Tygh Valley, sunrise is at 7:24 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:32 pm PST.

What is the month with the least sunshine in Tygh Valley?

January, February and December, with an average of 4.1h of sunshine, are months with the least sunshine in Tygh Valley, Oregon.

How many hours of sunshine does Tygh Valley have in December?

The average sunshine duration in December in Tygh Valley, Oregon, is 4.1h.

When is the lowest UV index in Tygh Valley?

The months with the lowest UV index in Tygh Valley, Oregon, are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Tygh Valley?

In Tygh Valley, Oregon, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Tygh Valley, OR

Average temperature in December - Tygh Valley, OR
  • Average high temperature in December: 34.9°F

The warmest month (with the highest average high temperature) is August (76.1°F).
The month with the lowest average high temperature is December (34.9°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

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Average pressure in December
Tygh Valley, OR

Average pressure in December - Tygh Valley, OR
  • Average pressure in December: 30.13"Hg

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

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Average wind speed in December
Tygh Valley, OR

Average wind speed in December - Tygh Valley, OR
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is January (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).

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Average humidity in December
Tygh Valley, OR

Average humidity in December - Tygh Valley, OR
  • Average humidity in December: 87%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in December
Tygh Valley, OR

Average rainfall in December - Tygh Valley, OR
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is January (3.82").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in December
Tygh Valley, OR

Average rainfall days in December - Tygh Valley, OR
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is April (13.2 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall in December
Tygh Valley, OR

Average snowfall in December - Tygh Valley, OR
  • Average snowfall in December: 20.83"

The month with the highest snowfall is January (22.01").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Tygh Valley, OR

Average snowfall days in December - Tygh Valley, OR
  • Average snowfall days in December: 18.6 days

The month with the highest number of snowfall days is December (18.6 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in December /
Average sunshine in December
Tygh Valley, OR

Average daylight in December / Average sunshine in December - Tygh Valley, 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 1min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 6min).

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Average sunshine days in December
Tygh Valley, OR

Average sunshine days in December - Tygh Valley, OR
  • Average sunshine days in December: 10.4 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (8.2 days).

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Average UV index in December
Tygh Valley, OR

Average UV index in December - Tygh Valley, OR
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Tygh Valley, OR

Average cloud cover in December - Tygh Valley, OR
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Tygh Valley, OR

Average visibility in December - Tygh Valley, OR
  • Average visibility in December: 4mi

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

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Tygh Valley, Oregon, USA

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