October weather forecast
Hayti, SD

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Weather in October

October, the same as September, is a cool autumn month in Hayti, South Dakota, with an average temperature fluctuating between 39°F (3.9°C) and 54.3°F (12.4°C).

Temperature

October's arrival is marked by a significant decrease in the average high-temperature, moving from an agreeable 71.6°F (22°C) in September to a fresh 54.3°F (12.4°C). An average temperature of 39°F (3.9°C) marks the nights in October.

Humidity

September and October, with an average relative humidity of 68%, are the least humid months in Hayti, South Dakota.

Rainfall

In Hayti, in October, it is raining for 8.3 days, with typically 1.73" (44mm) of accumulated precipitation. In Hayti, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Hayti. Throughout October, in the average 2.3 snowfall days, it receives 0.94" (24mm) of snow. Throughout the year, in Hayti, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.

Daylight

In October, the average length of the day is 10h and 58min.
On the first day of October, sunrise is at 7:27 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 6:18 pm CDT.

Sunshine

In October, the average sunshine is 6h.

UV index

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in October suggests the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In October, the average high-temperature and low-temperature are 54.3°F (12.4°C) and 39°F (3.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in July is appraised at 84.2°F (29°C).

What are the least humid months?

The months with the lowest humidity are September and October, with an average relative humidity of 68%.

What is the average humidity in October?

The average relative humidity in October in Hayti is 68%.

How many days does it rain in October?

In Hayti, South Dakota, in October, it is raining for 8.3 days, with typically 1.73" (44mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 2.3 snowfall days, it receives 0.94" (24mm) of snow.

How many hours of daylight does Hayti have in October?

The average day length in October is 10h and 58min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 7:27 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 6:18 pm CDT.

How long on average sun shines in October?

The average sunshine duration in October is 6h.

What is the UV index reading in October?

In Hayti, the average daily maximum UV index in October is 2. A UV Index estimate 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 October
Hayti, SD

Average temperature in October - Hayti, SD
  • Average high temperature in October: 54.3°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 October: 39°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).

Average pressure in October
Hayti, SD

Average pressure in October - Hayti, SD
  • Average pressure in October: 29.98"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).

Average wind speed in October
Hayti, SD

Average wind speed in October - Hayti, SD
  • Average wind speed in October: 11.2mph

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).

Average humidity in October
Hayti, SD

Average humidity in October - Hayti, SD
  • Average humidity in October: 68%

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

Average rainfall in October
Hayti, SD

Average rainfall in October - Hayti, SD
  • Average rainfall in October: 1.73"

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

Average rainfall days in October
Hayti, SD

Average rainfall days in October - Hayti, SD
  • Average rainfall days in October: 8.3 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).

Average snowfall in October
Hayti, SD

Average snowfall in October - Hayti, SD
  • Average snowfall in October: 0.94"

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").

Average snowfall days in October
Hayti, SD

Average snowfall days in October - Hayti, SD
  • Average snowfall days in October: 2.3 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).

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

Average daylight in October / Average sunshine in October - Hayti, SD
  • Average daylight in October: 11h and 0min

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 October: 6h and 0min

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).

Average sunshine days in October
Hayti, SD

Average sunshine days in October - Hayti, SD
  • Average sunshine days in October: 19.1 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).

Average UV index in October
Hayti, SD

Average UV index in October - Hayti, SD
  • Average UV index in October: 2

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).

Average cloud cover in October
Hayti, SD

Average cloud cover in October - Hayti, SD
  • Average cloud cover in October: 37

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

Average visibility in October
Hayti, SD

Average visibility in October - Hayti, SD
  • Average visibility in October: 6mi

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).

Hayti, South Dakota, USA

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