January weather forecast
Hayti, SD

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, in Hayti, South Dakota, is another subzero cold winter month, with an average temperature ranging between max 19.4°F (-7°C) and min 5.5°F (-14.7°C).

Temperature

The coldest time of the year is January, with temperatures averaging a high of 19.4°F (-7°C) and a low of 5.5°F (-14.7°C).

Humidity

With an average relative humidity of 90%, January is the most humid month in Hayti.

Rainfall

January and February are months with the least rain in Hayti when the rain falls for 2.9 days and typically aggregates up to 0.59" (15mm) of rain.

Snowfall

Months with snowfall in Hayti are January through May, October through December. The months with the most snowfall are January and December, with an average 3.74" (95mm) of accumulated snow.

Daylight

In January, the average length of the day is 9h and 17min.
On the first day of the month, sunrise is at 8:05 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:48 am and sunset at 5:35 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year in Hayti.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
[Resources]

Frequently asked questions

What are the coldest months in Hayti?

January, known for its average high temperature of 19.4°F (-7°C) and an average low temperature of 5.5°F (-14.7°C), is the coldest month in Hayti, South Dakota.

How cold is January in Hayti?

In January, the average high-temperature and low-temperature are 19.4°F (-7°C) and 5.5°F (-14.7°C) respectively.

What is the most humid month in Hayti?

The most humid month in Hayti, South Dakota, is January, with an average relative humidity of 90%.

What is the average humidity in January in Hayti?

The average relative humidity in January is 90%.

What is the driest month in Hayti?

January and February are months with the least rain when the rain falls for 2.9 days and typically aggregates up to 0.59" (15mm) of rain.

How much does it rain in Hayti in January?

In January, in Hayti, the rain falls for 2.9 days. Throughout January, 0.59" (15mm) of precipitation is accumulated.

What is the snowiest month in Hayti?

The months with the most snowfall are January and December, with an average 3.74" (95mm) of accumulated snow.

How much does it snow in Hayti in January?

In Hayti, South Dakota, in January, during 14.4 snowfall days, 3.74" (95mm) of snow is typically accumulated.

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

The average day length in January is 9h and 17min.

What time are sunrise and sunset in January in Hayti?

In January, on the first day of the month, sunrise is at 8:05 am and sunset at 4:58 pm. On the last day of the month, in Hayti, sunrise is at 7:48 am and sunset at 5:35 pm CST.

What is the month with the least sunshine in Hayti?

January has the least sunshine of the year, with an average of 3.6h of sunshine.

How many hours of sunshine does Hayti have in January?

In Hayti, the average sunshine duration in January is 3.6h.

When is the lowest UV index in Hayti?

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

What is the UV index reading in January in Hayti?

In Hayti, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
23.7°F -4.6°C
19.4°F -7°C
22.5°F -5.3°C
Average low temperature
12.4°F -10.9°C
5.5°F -14.7°C
8.4°F -13.1°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.16" 766mmHg
Average wind speed
11mph 17.7km/h
11mph 17.7km/h
10.8mph 17.4km/h
Average max. wind speed
11.7mph 18.8km/h
11.6mph 18.7km/h
11.4mph 18.3km/h
Average wind speed gusts
18.2mph 29.3km/h
18.6mph 29.9km/h
17.6mph 28.3km/h
Average humidity
87%
90%
87%
Average rainfall
0.75" 19mm
0.59" 15mm
0.59" 15mm
Average rainfall days
3.5
2.9
2.7
Average snowfall
3.74" 95mm
3.74" 95mm
3.35" 85mm
Average snowfall days
13
14.4
11.8
Average daylight
8h 5min
9h 2min
10h 3min
Average sunshine
4h 0min
3h 4min
4h 2min
Average sunshine days
16.3
15.1
15.3
Average UV index
1
1
2
Average cloud cover
59%
63%
60%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Hayti, SD

Average temperature in January - Hayti, SD
  • Average high temperature in January: 19.4°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in January: 5.5°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

[Resources]

Average pressure in January
Hayti, SD

Average pressure in January - Hayti, 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 (29.85"Hg).

[Resources]

Average wind speed in January
Hayti, SD

Average wind speed in January - Hayti, SD
  • Average wind speed in January: 11mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

[Resources]

Average humidity in January
Hayti, SD

Average humidity in January - Hayti, SD
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

[Resources]

Average rainfall in January
Hayti, SD

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

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

[Resources]

Average rainfall days in January
Hayti, SD

Average rainfall days in January - Hayti, SD
  • Average rainfall days in January: 2.9 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

[Resources]

Average snowfall in January
Hayti, SD

Average snowfall in January - Hayti, SD
  • Average snowfall in January: 3.74"

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Hayti, SD

Average snowfall days in January - Hayti, SD
  • Average snowfall days in January: 14.4 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

Average daylight in January / Average sunshine in January - Hayti, 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: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in January
Hayti, SD

Average sunshine days in January - Hayti, SD
  • Average sunshine days in January: 15.1 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

[Resources]

Average UV index in January
Hayti, SD

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

[Resources]

Average cloud cover in January
Hayti, SD

Average cloud cover in January - Hayti, SD
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

[Resources]

Average visibility in January
Hayti, SD

Average visibility in January - Hayti, 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).

[Resources]

Hayti, 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