December weather forecast
Falls City, OR

Weather in December

The first month of the winter, December, is also a frosty month in Falls City, Oregon, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 34°F (1.1°C).

Temperature

The coldest month is December, with an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 34°F (1.1°C).

Humidity

With an average relative humidity of 89%, December is the most humid month in Falls City.

Rainfall

The month with the most rainfall in Falls City is December when the rain falls for 15.7 days and typically aggregates up to 2.4" (61mm) of precipitation.

Snowfall

Months with snowfall in Falls City are January through March, November and December. In Falls City, during December, snow falls for 0.5 days and regularly aggregates up to 0.31" (8mm) of snow. Throughout the year, there are 3.7 snowfall days, and 2.05" (52mm) of snow is accumulated.

Daylight

The month with the shortest days in Falls City, Oregon, is December, with an average of 8.8h of daylight.

Sunshine

The average sunshine in December is 3.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Falls City, Oregon. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Falls City?

With an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 34°F (1.1°C), December is the coldest month.

What is the most humid month in Falls City?

With an average relative humidity of 89%, December is the most humid month.

What is the average humidity in December in Falls City?

The average relative humidity in December is 89%.

What is the wettest month in Falls City?

The month with the most rainfall is December when the rain falls for 15.7 days and typically aggregates up to 2.4" (61mm) of precipitation.

How many days does it rain in December in Falls City?

In Falls City, in December, during 15.7 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How much does it snow in Falls City in December?

In December, it is snowing for 0.5 days. Throughout December, 0.31" (8mm) of snow is accumulated.

What is the month with the shortest days in Falls City?

December has the shortest days of the year, with an average of 8.8h of daylight.

What is the average length of the day in December in Falls City?

The average length of the day in December in Falls City is 8.8h.

How many hours of sunshine does Falls City have in December?

In December, the average sunshine in Falls City is 3.9h.

When is the lowest UV index in Falls City?

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

How high is the UV index in December in Falls City?

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

Average temperature in December
Falls City, OR

Average temperature in December - Falls City, OR
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (34°F).

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Average pressure in December
Falls City, OR

Average pressure in December - Falls City, OR
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are August and September (30.01").

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Average wind speed in December
Falls City, OR

Average wind speed in December - Falls City, OR
  • Average wind speed in December: 4.6mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in December
Falls City, OR

Average humidity in December - Falls City, OR
  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in December
Falls City, OR

Average rainfall in December - Falls City, OR
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is December (2.4").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in December
Falls City, OR

Average rainfall days in December - Falls City, OR
  • Average rainfall days in December: 15.7 days

The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is August (3.9 days).

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Average snowfall in December
Falls City, OR

Average snowfall in December - Falls City, OR
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (1.18").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Falls City, OR

Average snowfall days in December - Falls City, OR
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.5 days).
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
Falls City, OR

Average daylight in December / Average sunshine in December - Falls City, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 3.9h

Months with the most sunshine are July and August (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 3.7h).

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Average sunshine days in December
Falls City, OR

Average sunshine days in December - Falls City, OR
  • Average sunshine days in December: 14 days

The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is March (11.6 days).

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Average UV index in December
Falls City, OR

Average UV index in December - Falls City, OR
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Falls City, OR

Average cloud cover in December - Falls City, OR
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in December
Falls City, OR

Average visibility in December - Falls City, OR
  • Average visibility in December: 4mi

Months with the highest visibility are May, June, July, August, September and October (5mi).
Months with the lowest visibility are January, February, March, April, November and December (4mi).

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