December weather forecast
Ryder, ND

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Weather in December

The first month of the winter, December, is still a freezing cold month in Ryder, North Dakota, with an average temperature fluctuating between 9.7°F (-12.4°C) and 21.7°F (-5.7°C).

Temperature

With the transition into December, Ryder experiences a significant decrease in average high-temperatures, moving down from a cold 37.2°F (2.9°C) in November to a subzero cold 21.7°F (-5.7°C). During the month of December, the nighttime temperature falls to an average of 9.7°F (-12.4°C).

Humidity

In December, the average relative humidity in Ryder is 87%.

Rainfall

In Ryder, during December, the rain falls for 3.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, in Ryder, there are 95.9 rainfall days, and 14.65" (372mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Ryder, in December, during 13 snowfall days, 3.19" (81mm) of snow is typically accumulated. In Ryder, during the entire year, snow falls for 68 days and aggregates up to 18.19" (462mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of December in Ryder, sunrise is at 8:15 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:36 am and sunset at 5:04 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 3.7h of sunshine.

UV index

The months with the lowest UV index in Ryder are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Ryder in December?

In Ryder, 21.7°F (-5.7°C) is the average high-temperature and 9.7°F (-12.4°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 82.4°F (28°C).

What is the average humidity in December in Ryder?

The average relative humidity in December is 87%.

How many days does it rain in December in Ryder?

In Ryder, in December, during 3.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in December in Ryder?

In Ryder, North Dakota, in December, during 13 snowfall days, 3.19" (81mm) of snow is typically accumulated.

What is the month with the shortest days in Ryder?

With an average of 8h and 30min of daylight, December has the shortest days of the year in Ryder.

What is the average length of the day in December in Ryder?

The average day length in December in Ryder, North Dakota, is 8h and 28min.

What time are sunrise and sunset in December in Ryder?

On the first day of December in Ryder, sunrise is at 8:15 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:36 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Ryder?

The months with the least sunshine in Ryder, North Dakota, are January and December, with an average of 3.7h of sunshine.

How long on average sun shines in December in Ryder?

The average sunshine duration in December in Ryder, North Dakota, is 3.7h.

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

The months with the lowest UV index in Ryder, North Dakota, are January, February and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Ryder?

In December, the average daily maximum UV index in Ryder is 1. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Ryder, ND

Average temperature in December - Ryder, ND
  • Average high temperature in December: 21.7°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (19.6°F).

  • Average low temperature in December: 9.7°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in December
Ryder, ND

Average pressure in December - Ryder, 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 (29.84"Hg).

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Average wind speed in December
Ryder, ND

Average wind speed in December - Ryder, ND
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

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Average humidity in December
Ryder, ND

Average humidity in December - Ryder, 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 (54%).

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Average rainfall in December
Ryder, ND

Average rainfall in December - Ryder, ND
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.39").

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Average rainfall days in December
Ryder, ND

Average rainfall days in December - Ryder, ND
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.1 days).

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Average snowfall in December
Ryder, ND

Average snowfall in December - Ryder, ND
  • Average snowfall in December: 3.19"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Ryder, ND

Average snowfall days in December - Ryder, ND
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

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Average sunshine days in December
Ryder, ND

Average sunshine days in December - Ryder, ND
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is March (13.9 days).

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Average UV index in December
Ryder, ND

Average UV index in December - Ryder, 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 and December (UV index 1).

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Average cloud cover in December
Ryder, ND

Average cloud cover in December - Ryder, ND
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in December
Ryder, ND

Average visibility in December - Ryder, 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).

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Ryder, North Dakota, USA

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