October weather forecast
Allen, SD

Share

Weather in October

October, like September, is a moderate autumn month in Allen, South Dakota, with an average temperature fluctuating between 41°F (5°C) and 58.5°F (14.7°C).

Temperature

A distinct shift in the average high-temperature is signaled in October, moving down from a moderately hot 77°F (25°C) in September to a mild 58.5°F (14.7°C). During October, the nighttime temperature averages of 41°F (5°C).

Humidity

The average relative humidity in October is 57%.

Rainfall

In Allen, in October, during 7.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 86.7 rainfall days, and 13.66" (347mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In October, it is snowing for 2 days. Throughout October, 1.54" (39mm) of snow is accumulated. In Allen, during the entire year, snow falls for 47.4 days and aggregates up to 22.72" (577mm) of snow.

Daylight

In October, the average length of the day is 11h and 1min.
On the first day of October, sunrise is at 6:46 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:40 pm MDT.

Sunshine

The average sunshine in October is 7.1h.

UV index

In Allen, South Dakota, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 3 during October leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In Allen, in October, the average high-temperature is 58.5°F (14.7°C), and the average low-temperature is 41°F (5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in October?

In October, the average relative humidity is 57%.

How many days does it rain in October?

In October, the rain falls for 7.5 days. Throughout October, 1.1" (28mm) of precipitation is accumulated.

How much does it snow in October?

In Allen, in October, snow falls for 2 days, with typically accumulated 1.54" (39mm) of snow.

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

In October, the average day length in Allen is 11h and 1min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:46 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:40 pm MDT.

How long on average sun shines in October?

In October, the average sunshine duration is 7.1h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Allen, SD

Average temperature in October - Allen, SD
  • Average high temperature in October: 58.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in October: 41°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 (18.1°F).

Average pressure in October
Allen, SD

Average pressure in October - Allen, SD
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in October
Allen, SD

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

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

Average humidity in October
Allen, SD

Average humidity in October - Allen, SD
  • Average humidity in October: 57%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).

Average rainfall in October
Allen, SD

Average rainfall in October - Allen, SD
  • Average rainfall in October: 1.1"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in October
Allen, SD

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

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).

Average snowfall in October
Allen, SD

Average snowfall in October - Allen, SD
  • Average snowfall in October: 1.54"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Allen, SD

Average snowfall days in October - Allen, SD
  • Average snowfall days in October: 2 days

The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in October
Allen, SD

Average sunshine days in October - Allen, SD
  • Average sunshine days in October: 20.9 days

The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in October
Allen, SD

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Allen, SD

Average cloud cover in October - Allen, SD
  • Average cloud cover in October: 28

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in October
Allen, SD

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

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

Allen, South Dakota, USA

Weather forecast for your location

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