December weather forecast
Hannah, ND

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Weather in December

The first month of the winter, December, is also a subzero cold month in Hannah, North Dakota, with temperature in the range of an average high of 16.5°F (-8.6°C) and an average low of 5.9°F (-14.5°C).

Temperature

December's arrival signals a significant decrease in average high-temperatures, falling from November's icy 32.7°F (0.4°C) to a subzero cold 16.5°F (-8.6°C). Hannah experiences an average low-temperature reading of 5.9°F (-14.5°C) throughout December.

Humidity

In December, the average relative humidity is 91%.

Rainfall

In Hannah, during December, the rain falls for 2.8 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Hannah, there are 105.9 rainfall days, and 16.69" (424mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hannah are January through May, October through December. The month with the most snowfall is December, when snow falls for 16.8 days and typically aggregates up to 4.09" (104mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 8:08 am and sunset at 4:39 pm. On the last day of December, in Hannah, North Dakota, sunrise is at 8:28 am and sunset at 4:47 pm CST.

Sunshine

In Hannah, the average sunshine in December is 3.4h.

UV index

The months with the lowest UV index in Hannah, North Dakota, are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 16.5°F (-8.6°C) and 5.9°F (-14.5°C) respectively.

What is the average humidity in December?

In Hannah, the average relative humidity in December is 91%.

How much does it rain in December?

In Hannah, in December, it is raining for 2.8 days, with typically 0.83" (21mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 16.8 days and typically aggregates up to 4.09" (104mm) of snow.

How much does it snow in December?

In Hannah, in December, during 16.8 snowfall days, 4.09" (104mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 18min of daylight.

How many hours of daylight does Hannah have in December?

In Hannah, the average day length in December is 8h and 19min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 8:08 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 8:28 am and sunset at 4:47 pm CST.

How long on average sun shines in December?

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

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents 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
Hannah, ND

Average temperature in December - Hannah, ND
  • Average high temperature in December: 16.5°F

The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is January (13.5°F).

  • Average low temperature in December: 5.9°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).

Average pressure in December
Hannah, ND

Average pressure in December - Hannah, ND
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Hannah, ND

Average wind speed in December - Hannah, ND
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in December
Hannah, ND

Average humidity in December - Hannah, ND
  • Average humidity in December: 91%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).

Average rainfall in December
Hannah, ND

Average rainfall in December - Hannah, ND
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is June (2.99").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in December
Hannah, ND

Average rainfall days in December - Hannah, ND
  • Average rainfall days in December: 2.8 days

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Hannah, ND

Average snowfall in December - Hannah, ND
  • Average snowfall in December: 4.09"

The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Hannah, ND

Average snowfall days in December - Hannah, ND
  • Average snowfall days in December: 16.8 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Hannah, ND
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Hannah, ND

Average sunshine days in December - Hannah, ND
  • Average sunshine days in December: 13.6 days

The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is June (8.7 days).

Average UV index in December
Hannah, ND

Average UV index in December - Hannah, ND
  • Average UV index in December: 1

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

Average cloud cover in December
Hannah, ND

Average cloud cover in December - Hannah, ND
  • Average cloud cover in December: 66

The months with the most cloud cover are January and February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Hannah, ND

Average visibility in December - Hannah, 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).

Hannah, North Dakota, USA

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