January weather forecast
Saint Lawrence, SD

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Weather in January

January, like December, is another subzero cold winter month in Saint Lawrence, South Dakota, with an average temperature varying between 23.4°F (-4.8°C) and 9.1°F (-12.7°C).

Temperature

January is the coldest month, with an average high-temperature of 23.4°F (-4.8°C) and an average low-temperature of 9.1°F (-12.7°C).

Humidity

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

Rainfall

January is the month with the least rainfall in Saint Lawrence. Rain falls for 2.4 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall in Saint Lawrence are January through May, October through December. In Saint Lawrence, South Dakota, during January, snow falls for 10.1 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, there are 47.1 snowfall days, and 16.06" (408mm) of snow is accumulated.

Daylight

In Saint Lawrence, South Dakota, the average length of the day in January is 9h and 17min.
On the first day of January, sunrise is at 8:12 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:42 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.1h of sunshine.

UV index

In Saint Lawrence, the average daily maximum UV index in January is 2. 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: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the coldest month in Saint Lawrence?

January, with an average high of 23.4°F (-4.8°C) and a low of 9.1°F (-12.7°C), signifies the coldest month of the year in Saint Lawrence, South Dakota.

How cold is January in Saint Lawrence?

The high-temperature, in January, in Saint Lawrence, is 23.4°F (-4.8°C), while the low-temperature averages to 9.1°F (-12.7°C).

What is the most humid month in Saint Lawrence?

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

What is the average humidity in January in Saint Lawrence?

In January, the average relative humidity is 88%.

What is the driest month in Saint Lawrence?

The month with the least rainfall in Saint Lawrence, South Dakota, is January, when the rain falls for 2.4 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Saint Lawrence in January?

In Saint Lawrence, South Dakota, during January, the rain falls for 2.4 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How much does it snow in Saint Lawrence in January?

In Saint Lawrence, South Dakota, in January, snow falls for 10.1 days, with typically accumulated 2.68" (68mm) of snow.

What is the average length of the day in January in Saint Lawrence?

In Saint Lawrence, South Dakota, the average day length in January is 9h and 17min.

When is the sunrise / sunset in January in Saint Lawrence?

In January, on the first day of the month, sunrise is at 8:12 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:42 pm CST.

What is the month with the least sunshine in Saint Lawrence?

The month with the least sunshine in Saint Lawrence, South Dakota, is January, with an average of 4.1h of sunshine.

How long on average sun shines in January in Saint Lawrence?

In January, the average sunshine duration is 4.1h.

What is the UV index intensity in January in Saint Lawrence?

The average daily maximum UV index in January in Saint Lawrence is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
26.8°F -2.9°C
23.4°F -4.8°C
26.2°F -3.2°C
Average low temperature
14.9°F -9.5°C
9.1°F -12.7°C
12.6°F -10.8°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.16" 766mmHg
Average wind speed
10.5mph 16.9km/h
10.6mph 17.1km/h
10.3mph 16.6km/h
Average max. wind speed
11.2mph 18km/h
11.3mph 18.2km/h
10.9mph 17.5km/h
Average wind speed gusts
17.8mph 28.6km/h
18.3mph 29.5km/h
16.8mph 27km/h
Average humidity
83%
88%
83%
Average rainfall
0.75" 19mm
0.43" 11mm
0.67" 17mm
Average rainfall days
2.5
2.4
1.3
Average snowfall
2.4" 61mm
2.68" 68mm
4.21" 107mm
Average snowfall days
10
10.1
10.1
Average daylight
8h 5min
9h 2min
10h 3min
Average sunshine
4h 2min
4h 1min
5h 0min
Average sunshine days
20
18.8
17.2
Average UV index
2
2
1
Average cloud cover
52%
55%
54%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Saint Lawrence, SD

Average temperature in January - Saint Lawrence, SD
  • Average high temperature in January: 23.4°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in January: 9.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

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Average pressure in January
Saint Lawrence, SD

Average pressure in January - Saint Lawrence, 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
Saint Lawrence, SD

Average wind speed in January - Saint Lawrence, SD
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in January
Saint Lawrence, SD

Average humidity in January - Saint Lawrence, 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 (60%).

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Average rainfall in January
Saint Lawrence, SD

Average rainfall in January - Saint Lawrence, SD
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Saint Lawrence, SD

Average rainfall days in January - Saint Lawrence, SD
  • Average rainfall days in January: 2.4 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in January
Saint Lawrence, SD

Average snowfall in January - Saint Lawrence, SD
  • Average snowfall in January: 2.68"

The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Saint Lawrence, SD

Average snowfall days in January - Saint Lawrence, SD
  • Average snowfall days in January: 10.1 days

The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Saint Lawrence, SD

Average daylight in January / Average sunshine in January - Saint Lawrence, 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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in January
Saint Lawrence, SD

Average sunshine days in January - Saint Lawrence, SD
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in January
Saint Lawrence, SD

Average UV index in January - Saint Lawrence, SD
  • Average UV index in January: 2

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

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Average cloud cover in January
Saint Lawrence, SD

Average cloud cover in January - Saint Lawrence, SD
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in January
Saint Lawrence, SD

Average visibility in January - Saint Lawrence, 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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Saint Lawrence, South Dakota, USA

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