January weather forecast
Rudolph, SD

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Weather in January

January, the same as December, in Rudolph, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 20.7°F (-6.3°C) and 6.3°F (-14.3°C).

Temperature

Rudolph's coldest temperatures are experienced in January, with average high temperatures of 20.7°F (-6.3°C) and lows of 6.3°F (-14.3°C).

Humidity

The most humid month is January, with an average relative humidity of 88%.

Rainfall

The month with the least rainfall is January, when the rain falls for 3 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall in Rudolph. Snow falls for 13 days and accumulates 3.82" (97mm) of snow.

Daylight

The average length of the day in January is 9h and 13min.
On the first day of January in Rudolph, sunrise is at 8:13 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:39 pm CST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year in Rudolph, South Dakota.

UV index

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Rudolph?

Temperature readings in Rudolph, South Dakota, reach their annual highs in January, averaging 20.7°F (-6.3°C) and a minimum average of 6.3°F (-14.3°C).

How cold is it in Rudolph in January?

The high-temperature during January is 20.7°F (-6.3°C) and the low-temperature is 6.3°F (-14.3°C).

What is the most humid month in Rudolph?

The most humid month in Rudolph is January, with an average relative humidity of 88%.

What is the average humidity in January in Rudolph?

In Rudolph, the average relative humidity in January is 88%.

What is the driest month in Rudolph?

The month with the least rainfall in Rudolph, South Dakota, is January, when the rain falls for 3 days and typically collects 0.59" (15mm) of precipitation.

How much does it rain in Rudolph in January?

In Rudolph, South Dakota, in January, during 3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When does it snow the most in Rudolph?

The month with the most snowfall in Rudolph is January, when snow falls for 13 days and typically aggregates up to 3.82" (97mm) of snow.

How many days does it snow in January in Rudolph?

In Rudolph, South Dakota, during January, snow falls for 13 days and regularly aggregates up to 3.82" (97mm) of snow.

How many hours of daylight does Rudolph have in January?

The average day length in January in Rudolph, South Dakota, is 9h and 13min.

When is the sunrise / sunset in January in Rudolph?

On the first day of January in Rudolph, South Dakota, sunrise is at 8:13 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:39 pm CST.

What is the month with the least sunshine in Rudolph?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Rudolph have in January?

The average sunshine duration in January is 3.9h.

What are the months with the lowest UV index in Rudolph?

The months with the lowest UV index in Rudolph, South Dakota, are January, February and November, with an average maximum UV index of 1.

How high is the UV index in January in Rudolph?

The average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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 January
Rudolph, SD

Average temperature in January - Rudolph, SD
  • Average high temperature in January: 20.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in January: 6.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in January
Rudolph, SD

Average pressure in January - Rudolph, SD
  • Average pressure in January: 30.16"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).

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Average wind speed in January
Rudolph, SD

Average wind speed in January - Rudolph, SD
  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in January
Rudolph, SD

Average humidity in January - Rudolph, SD
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

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Average rainfall in January
Rudolph, SD

Average rainfall in January - Rudolph, SD
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in January
Rudolph, SD

Average rainfall days in January - Rudolph, SD
  • Average rainfall days in January: 3 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

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Average snowfall in January
Rudolph, SD

Average snowfall in January - Rudolph, SD
  • Average snowfall in January: 3.82"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Rudolph, SD

Average snowfall days in January - Rudolph, SD
  • Average snowfall days in January: 13 days

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

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Average daylight in January /
Average sunshine in January
Rudolph, SD

Average daylight in January / Average sunshine in January - Rudolph, SD
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Rudolph, SD

Average sunshine days in January - Rudolph, SD
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

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Average UV index in January
Rudolph, SD

Average UV index in January - Rudolph, SD
  • Average UV index in January: 1

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

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Average cloud cover in January
Rudolph, SD

Average cloud cover in January - Rudolph, SD
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

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Average visibility in January
Rudolph, SD

Average visibility in January - Rudolph, SD
  • Average visibility in January: 5mi

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

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Rudolph, South Dakota, USA

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