January weather forecast
Cavour, SD

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Weather in January

January, like December, is a freezing cold winter month in Cavour, South Dakota, with an average temperature fluctuating between 8.2°F (-13.2°C) and 23.2°F (-4.9°C).

Temperature

In Cavour, the lowest temperatures are generally noted in January, averaging a high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C).

Humidity

January is the most humid month in Cavour, South Dakota, with an average relative humidity of 88%.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Cavour. In Cavour, during January, snow falls for 9.2 days and regularly aggregates up to 3.11" (79mm) of snow. Throughout the year, there are 42.3 snowfall days, and 16.54" (420mm) of snow is accumulated.

Daylight

In Cavour, the average length of the day in January is 9h and 19min.
On the first day of January, sunrise is at 8:08 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:39 pm CST.

Sunshine

January has the least sunshine of the year in Cavour, with an average of 4.2h of sunshine.

UV index

The months with the lowest UV index in Cavour, South Dakota, are January and November, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 1 during January, leads to the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What time of the year is the coldest in Cavour?

January is the month when Cavour, South Dakota, experiences its coldest temperatures, averaging a high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C).

How cold is January in Cavour?

In Cavour, in January, the average high-temperature is 23.2°F (-4.9°C), and the average low-temperature is 8.2°F (-13.2°C).

What is the most humid month in Cavour?

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

What is the average humidity in January in Cavour?

The average relative humidity in January in Cavour is 88%.

What is the driest month in Cavour?

The month with the least rainfall in Cavour, South Dakota, is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in January in Cavour?

In Cavour, in January, it is raining for 2.7 days, with typically 0.55" (14mm) of accumulated precipitation.

How much does it snow in Cavour in January?

In Cavour, in January, snow falls for 9.2 days, with typically accumulated 3.11" (79mm) of snow.

What is the average length of the day in January in Cavour?

The average day length in January is 9h and 19min.

What time are sunrise and sunset in January in Cavour?

In January, on the first day of the month, sunrise is at 8:08 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:39 pm CST.

What is the month with the least sunshine in Cavour?

The month with the least sunshine in Cavour is January, with an average of 4.2h of sunshine.

How long on average sun shines in January in Cavour?

The average sunshine duration in January in Cavour is 4.2h.

When is the lowest UV index in Cavour?

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

What is the UV index intensity in January in Cavour?

In Cavour, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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 January
Cavour, SD

Average temperature in January - Cavour, SD
  • Average high temperature in January: 23.2°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in January: 8.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure in January
Cavour, SD

Average pressure in January - Cavour, SD
  • Average pressure in January: 30.16"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in January
Cavour, SD

Average wind speed in January - Cavour, SD
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

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Average humidity in January
Cavour, SD

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

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

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Average rainfall in January
Cavour, SD

Average rainfall in January - Cavour, SD
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in January
Cavour, SD

Average rainfall days in January - Cavour, SD
  • Average rainfall days in January: 2.7 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in January
Cavour, SD

Average snowfall in January - Cavour, SD
  • Average snowfall in January: 3.11"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Cavour, SD

Average snowfall days in January - Cavour, SD
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is December (9.5 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
Cavour, SD

Average daylight in January / Average sunshine in January - Cavour, SD
  • Average daylight in January: 9h and 2min

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

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in January
Cavour, SD

Average sunshine days in January - Cavour, SD
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in January
Cavour, SD

Average UV index in January - Cavour, 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 and November (UV index 1).

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Average cloud cover in January
Cavour, SD

Average cloud cover in January - Cavour, SD
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

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Average visibility in January
Cavour, SD

Average visibility in January - Cavour, 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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Cavour, South Dakota, USA

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