October weather forecast
Herreid, SD

Share

Weather in October

October, the same as September, in Herreid, South Dakota, is another refreshing autumn month, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 41.4°F (5.2°C).

Temperature

As Herreid welcomes October, the average high-temperature witnesses a distinct drop, moving from a warm 74.5°F (23.6°C) in September to a mild 55.9°F (13.3°C). Herreid reports an average low-temperature of 41.4°F (5.2°C) during the nights of October.

Humidity

In October, the average relative humidity in Herreid is 60%.

Rainfall

In Herreid, in October, it is raining for 7.5 days, with typically 1.38" (35mm) of accumulated precipitation. In Herreid, South Dakota, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

Months with snowfall in Herreid are January through May, October through December. October is the first month it typically snows in Herreid. Throughout October, in the average 1.6 snowfall days, it receives 0.98" (25mm) of snow. In Herreid, during the entire year, snow falls for 49.4 days and aggregates up to 19.09" (485mm) of snow.

Daylight

The average length of the day in October is 10h and 55min.
On the first day of the month, sunrise is at 7:39 am and sunset at 7:19 pm. On the last day of October, sunrise is at 8:20 am and sunset at 6:27 pm CDT.

Sunshine

The average sunshine in October in Herreid, South Dakota, is 6.6h.

UV index

In Herreid, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 during October translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
[Resources]

Frequently asked questions

What are the temperatures in Herreid in October?

During October, Herreid experiences an average high-temperature of 55.9°F (13.3°C) and a low-temperature of 41.4°F (5.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in October in Herreid?

In October, the average relative humidity is 60%.

How much does it rain in Herreid in October?

In Herreid, in October, it is raining for 7.5 days, with typically 1.38" (35mm) of accumulated precipitation.

When does it start to snow in Herreid?

October is the first month it typically snows in Herreid, South Dakota. Throughout October, in the average 1.6 snowfall days, it receives 0.98" (25mm) of snow.

What is the average length of the day in October in Herreid?

In October, the average day length is 10h and 55min.

When are sunrise and sunset in October in Herreid?

On the first day of October in Herreid, South Dakota, sunrise is at 7:39 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 6:27 pm CDT.

How many hours of sunshine does Herreid have in October?

The average sunshine duration in October is 6.6h.

What is the UV index intensity in October in Herreid?

The average daily maximum UV index in October in Herreid, South Dakota, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Herreid, SD

Average temperature in October - Herreid, SD
  • Average high temperature in October: 55.9°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in October: 41.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

[Resources]

Average pressure in October
Herreid, SD

Average pressure in October - Herreid, 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 (29.84"Hg).

[Resources]

Average wind speed in October
Herreid, SD

Average wind speed in October - Herreid, SD
  • Average wind speed in October: 11.4mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

[Resources]

Average humidity in October
Herreid, SD

Average humidity in October - Herreid, SD
  • Average humidity in October: 60%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

[Resources]

Average rainfall in October
Herreid, SD

Average rainfall in October - Herreid, SD
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

[Resources]

Average rainfall days in October
Herreid, SD

Average rainfall days in October - Herreid, SD
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

[Resources]

Average snowfall in October
Herreid, SD

Average snowfall in October - Herreid, SD
  • Average snowfall in October: 0.98"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in October
Herreid, SD

Average snowfall days in October - Herreid, SD
  • Average snowfall days in October: 1.6 days

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

[Resources]

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

Average daylight in October / Average sunshine in October - Herreid, SD
  • Average daylight in October: 10h and 5min

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 October: 6h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

[Resources]

Average sunshine days in October
Herreid, SD

Average sunshine days in October - Herreid, SD
  • Average sunshine days in October: 21 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

[Resources]

Average UV index in October
Herreid, SD

Average UV index in October - Herreid, SD
  • Average UV index in October: 3

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 December (UV index 1).

[Resources]

Average cloud cover in October
Herreid, SD

Average cloud cover in October - Herreid, SD
  • Average cloud cover in October: 34

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

[Resources]

Average visibility in October
Herreid, SD

Average visibility in October - Herreid, 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).

[Resources]

Herreid, South Dakota, USA

Weather forecast for your location

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