December weather forecast
Falls City, OR

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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 low of 34°F (1.1°C) and an average high of 44.2°F (6.8°C).

Temperature

In Falls City, the lowest temperatures are generally noted in December, averaging a high of 44.2°F (6.8°C) and a low of 34°F (1.1°C).

Humidity

The most humid month in Falls City, Oregon, is December, with an average relative humidity of 89%.

Rainfall

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.

Snowfall

January through March, November and December are months with snowfall. 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

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:51 am and sunset at 4:42 pm PST.

Sunshine

The average sunshine in December is 3.9h.

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 exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What part of the year is the coldest?

In Falls City, the average lowest temperatures are observed in December, with a high of 44.2°F (6.8°C) and a low of 34°F (1.1°C).

How cold does it get in December?

During December, Falls City experiences an average high-temperature of 44.2°F (6.8°C) and a low-temperature of 34°F (1.1°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 89%.

What is the average humidity in December in Falls City?

In Falls City, the average relative humidity in December is 89%.

What is the wettest month?

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, during December, the rain falls for 15.7 days and regularly aggregates up to 2.4" (61mm) of precipitation.

How much does it snow in December?

In Falls City, during December, snow falls for 0.5 days and regularly aggregates up to 0.31" (8mm) of snow.

What is the month with the shortest days?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 8h and 51min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:32 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:42 pm PST.

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

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

When is the lowest UV index?

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 December, the average daily maximum UV index in Falls City is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
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).

Average pressure in December
Falls City, OR

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

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

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).

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%).

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").

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).

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

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).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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).

Average UV index in December
Falls City, OR

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

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

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).

Average visibility in December
Falls City, OR

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

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

Falls City, Oregon, USA

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