January weather forecast
Long Lake, SD

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, in Long Lake, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 5.4°F (-14.8°C) and 19.8°F (-6.8°C).

Temperature

Long Lake reaches its lowest average temperatures in January, measuring 19.8°F (-6.8°C) at the peak and 5.4°F (-14.8°C) at the lowest.

Humidity

With an average relative humidity of 89%, January is the most humid month in Long Lake, South Dakota.

Rainfall

The month with the least rainfall is January, when the rain falls for 1.7 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The months with the most snowfall in Long Lake are January and December, with an average 2.76" (70mm) of accumulated snow.

Daylight

In Long Lake, the average length of the day in January is 9h and 9min.
On the first day of the month, sunrise is at 8:18 am and sunset at 5:02 pm. On the last day of January, in Long Lake, sunrise is at 7:59 am and sunset at 5:40 pm CST.

Sunshine

With an average of 3.8h of sunshine, January has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Long Lake. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 1 in January translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

What are the coldest months in Long Lake?

Long Lake's coldest month, January, registers temperatures that range from a high of 19.8°F (-6.8°C) to a low of 5.4°F (-14.8°C).

How cold is January in Long Lake?

During January, Long Lake experiences an average high-temperature of 19.8°F (-6.8°C) and a low-temperature of 5.4°F (-14.8°C).

What is the most humid month in Long Lake?

With an average relative humidity of 89%, January is the most humid month in Long Lake, South Dakota.

What is the average humidity in January in Long Lake?

In Long Lake, the average relative humidity in January is 89%.

What is the driest month in Long Lake?

The month with the least rainfall in Long Lake is January, when the rain falls for 1.7 days and typically collects 0.39" (10mm) of precipitation.

How much does it rain in Long Lake in January?

In Long Lake, South Dakota, in January, during 1.7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

What is the snowiest month in Long Lake?

The months with the most snowfall are January and December, with an average 2.76" (70mm) of accumulated snow.

How many days does it snow in January in Long Lake?

In Long Lake, during January, snow falls for 11.5 days and regularly aggregates up to 2.76" (70mm) of snow.

What is the average length of the day in January in Long Lake?

In Long Lake, the average day length in January is 9h and 9min.

What time are sunrise and sunset in January in Long Lake?

On the first day of January, sunrise is at 8:18 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:40 pm CST.

What is the month with the least sunshine in Long Lake?

The month with the least sunshine in Long Lake, South Dakota, is January, with an average of 3.8h of sunshine.

How many hours of sunshine does Long Lake have in January?

In January, the average sunshine duration in Long Lake is 3.8h.

What is the month with the lowest UV index in Long Lake?

The months with the lowest UV index in Long Lake are January, November and December, with an average maximum UV index of 1.

How high is the UV index in January in Long Lake?

In Long Lake, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
23.7°F -4.6°C
19.8°F -6.8°C
22.3°F -5.4°C
Average low temperature
11.8°F -11.2°C
5.4°F -14.8°C
7.3°F -13.7°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.17" 766mmHg
Average wind speed
10.2mph 16.4km/h
10.3mph 16.6km/h
9.8mph 15.8km/h
Average max. wind speed
10.9mph 17.5km/h
10.9mph 17.5km/h
10.4mph 16.7km/h
Average wind speed gusts
16.8mph 27km/h
17.4mph 28km/h
15.9mph 25.6km/h
Average humidity
86%
89%
86%
Average rainfall
0.59" 15mm
0.39" 10mm
0.43" 11mm
Average rainfall days
2.7
1.7
1.8
Average snowfall
2.76" 70mm
2.76" 70mm
2.52" 64mm
Average snowfall days
11.4
11.5
11.8
Average daylight
8h 4min
9h 1min
10h 2min
Average sunshine
4h 0min
3h 5min
4h 3min
Average sunshine days
18.5
18
16.6
Average UV index
1
1
2
Average cloud cover
56%
59%
57%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Long Lake, SD

Average temperature in January - Long Lake, SD
  • Average high temperature in January: 19.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in January: 5.4°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

[Resources]

Average pressure in January
Long Lake, SD

Average pressure in January - Long Lake, 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).

[Resources]

Average wind speed in January
Long Lake, SD

Average wind speed in January - Long Lake, SD
  • Average wind speed in January: 10.3mph

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

[Resources]

Average humidity in January
Long Lake, SD

Average humidity in January - Long Lake, SD
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).

[Resources]

Average rainfall in January
Long Lake, SD

Average rainfall in January - Long Lake, SD
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").

[Resources]

Average rainfall days in January
Long Lake, SD

Average rainfall days in January - Long Lake, SD
  • Average rainfall days in January: 1.7 days

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).

[Resources]

Average snowfall in January
Long Lake, SD

Average snowfall in January - Long Lake, SD
  • Average snowfall in January: 2.76"

The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Long Lake, SD

Average snowfall days in January - Long Lake, SD
  • Average snowfall days in January: 11.5 days

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Long Lake, SD

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

[Resources]

Average sunshine days in January
Long Lake, SD

Average sunshine days in January - Long Lake, SD
  • Average sunshine days in January: 18 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

[Resources]

Average UV index in January
Long Lake, SD

Average UV index in January - Long Lake, SD
  • Average UV index in January: 1

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

[Resources]

Average cloud cover in January
Long Lake, SD

Average cloud cover in January - Long Lake, SD
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).

[Resources]

Average visibility in January
Long Lake, SD

Average visibility in January - Long Lake, SD
  • Average visibility in January: 5mi

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

[Resources]

Long Lake, South Dakota, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location