December weather forecast and climate
Underwood, ND

The first month of the winter, December, is also a subzero cold month in Underwood, North Dakota, with average temperature varying between 10.6°F (-11.9°C) and 22.3°F (-5.4°C).

Temperature

In Underwood, the average high-temperature significantly decreases, from a wintry 37.6°F (3.1°C) in November, to a subzero cold 22.3°F (-5.4°C). In Underwood, in December, the average low-temperature is 10.6°F (-11.9°C).

Humidity

In Underwood, the average relative humidity is 87%.

Rainfall

In Underwood, in December, during 2.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 100.5 rainfall days, and 15.2" (386mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Underwood, snow falls for 14.5 days, with typically accumulated 3.7" (94mm) of snow. In Underwood, during the entire year, snow falls for 72.6 days, and aggregates up to 21.14" (537mm) of snow.

Daylight

The month with the shortest days in Underwood is December, with an average of 8.5h of daylight.

Sunshine

In Underwood, the average sunshine in December is 3.9h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Underwood. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in December in Underwood?

The average high-temperature, in December, in Underwood, North Dakota, is 22.3°F (-5.4°C), while the average low-temperature is 10.6°F (-11.9°C).

What is the average humidity in December in Underwood?

The average relative humidity in December in Underwood, North Dakota, is 87%.

How many days does it rain in December in Underwood?

In Underwood, North Dakota, during December, the rain falls for 2.9 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in Underwood in December?

In Underwood, in December, during 14.5 snowfall days, 3.7" (94mm) of snow is typically accumulated.

What is the month with the shortest days in Underwood?

December has the shortest days of the year in Underwood, with an average of 8.5h of daylight.

How many hours of daylight does Underwood have in December?

In Underwood, North Dakota, the average length of the day in December is 8.5h.

How many hours of sunshine does Underwood have in December?

In December, the average sunshine in Underwood is 3.9h.

What is the month with the lowest UV index in Underwood?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Underwood.

What is the UV index intensity in December in Underwood?

In December, the average daily maximum UV index in Underwood is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in December - Underwood, ND
  • Average high temperature in December: -5.4°C

The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (-6.8°C).

  • Average low temperature in December: -11.9°C

The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-14.8°C).

Average pressure in December - Underwood, ND
  • Average pressure in December: 1020.4mbar

The month with the highest atmospheric pressure is February (1021.7mbar).
The month with the lowest atmospheric pressure is June (1010.7mbar).

Average wind speed in December - Underwood, ND
  • Average wind speed in December: 16.2km/h

The windiest months (with the highest average wind speed) are April and October (17.9km/h).
The calmest month (with the lowest average wind speed) is August (14.2km/h).

Average humidity in December - Underwood, ND
  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (55%).

Average rainfall in December - Underwood, ND
  • Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is February (13mm).

Average rainfall days in December - Underwood, ND
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December - Underwood, ND
  • Average snowfall in December: 94mm

The month with the highest snowfall is January (96mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Underwood, ND
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (15.3 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight in December / Average sunshine in December - Underwood, ND
  • Average daylight in December: 8.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in December: 3.9h

The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 3.7h).

Average sunshine days in December - Underwood, ND
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (12.8 days).

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

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December - Underwood, ND
  • 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 22).

Average visibility in December - Underwood, ND
  • Average visibility in December: 8km

Months with the highest visibility are May, June, July, August and September (10km).
Months with the lowest visibility are January, February, March and December (8km).