December weather forecast
Finley, ND

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Weather in December

The first month of the winter, December, is also a subzero cold month in Finley, North Dakota, with an average temperature ranging between min 8.6°F (-13°C) and max 19.8°F (-6.8°C).

Temperature

The shift from November to December brings a noticeable decrease in the average high-temperature, dropping from a wintry 36°F (2.2°C) to a freezing cold 19.8°F (-6.8°C). In the month of December, the average temperature dips to an extreme cold 8.6°F (-13°C) during the night.

Humidity

The average relative humidity in December is 88%.

Rainfall

In Finley, during December, the rain falls for 3.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Finley, North Dakota, during the entire year, the rain falls for 101.8 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Finley. The month with the most snowfall is December, when snow falls for 14 days and typically aggregates up to 4.25" (108mm) of snow.

Daylight

The month with the shortest days in Finley is December, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 7:59 am and sunset at 4:42 pm. On the last day of December, in Finley, sunrise is at 8:19 am and sunset at 4:50 pm CST.

Sunshine

In December, the average sunshine is 3.4h.

UV index

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Finley in December?

In Finley, 19.8°F (-6.8°C) is the average high-temperature and 8.6°F (-13°C) is the average low-temperature during December.

What is the average humidity in December in Finley?

The average relative humidity in December is 88%.

How much does it rain in Finley in December?

In Finley, during December, the rain falls for 3.2 days and regularly aggregates up to 0.79" (20mm) of precipitation.

What is the snowiest month in Finley?

December is the month with the most snowfall. Snow falls for 14 days and accumulates 4.25" (108mm) of snow.

How many days does it snow in December in Finley?

In Finley, in December, snow falls for 14 days, with typically accumulated 4.25" (108mm) of snow.

What is the month with the shortest days in Finley?

December has the shortest days of the year in Finley, North Dakota, with an average of 8h and 30min of daylight.

How many hours of daylight does Finley have in December?

In December, the average day length in Finley, North Dakota, is 8h and 31min.

When is the sunrise / sunset in December in Finley?

In December, on the first day of the month, sunrise is at 7:59 am and sunset at 4:42 pm. On the last day of the month, in Finley, sunrise is at 8:19 am and sunset at 4:50 pm CST.

How many hours of sunshine does Finley have in December?

In Finley, the average sunshine duration in December is 3.4h.

What is the UV index reading in December in Finley?

In Finley, the average daily maximum UV index in December is 2. A UV Index 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
Finley, ND

Average temperature in December - Finley, ND
  • Average high temperature in December: 19.8°F

The warmest months (with the highest average high temperature) are July and August (80.4°F).
The month with the lowest average high temperature is January (15.6°F).

  • Average low temperature in December: 8.6°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).

Average pressure in December
Finley, ND

Average pressure in December - Finley, ND
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Finley, ND

Average wind speed in December - Finley, ND
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in December
Finley, ND

Average humidity in December - Finley, ND
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

Average rainfall in December
Finley, ND

Average rainfall in December - Finley, ND
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (0.55").

Average rainfall days in December
Finley, ND

Average rainfall days in December - Finley, ND
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Finley, ND

Average snowfall in December - Finley, ND
  • Average snowfall in December: 4.25"

The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Finley, ND

Average snowfall days in December - Finley, ND
  • Average snowfall days in December: 14 days

The month with the highest number of snowfall days is December (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Finley, ND

Average daylight in December / Average sunshine in December - Finley, ND
  • Average daylight in December: 8h and 3min

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

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Finley, ND

Average sunshine days in December - Finley, ND
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Finley, ND

Average UV index in December - Finley, ND
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in December
Finley, ND

Average cloud cover in December - Finley, ND
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Finley, ND

Average visibility in December - Finley, ND
  • Average visibility in December: 5mi

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

Finley, North Dakota, USA

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