October weather forecast
Richmond Lake Heights Development, SD

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Weather in October

October, like September, is another refreshing autumn month in Richmond Lake Heights Development, South Dakota, with an average temperature varying between 56.3°F (13.5°C) and 40.1°F (4.5°C).

Temperature

As Richmond Lake Heights Development welcomes October, the average high-temperature witnesses a distinct drop, moving from a moderately hot 74.3°F (23.5°C) in September to a refreshing 56.3°F (13.5°C). In Richmond Lake Heights Development, an average low-temperature of 40.1°F (4.5°C) is recorded during October nights.

Humidity

In October, the average relative humidity is 64%.

Rainfall

In Richmond Lake Heights Development, during October, the rain falls for 7.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Richmond Lake Heights Development, South Dakota, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2.1 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.

Daylight

In October, the average length of the day is 10h and 55min.
On the first day of the month, sunrise is at 7:33 am and sunset at 7:13 pm. On the last day of October, sunrise is at 8:13 am and sunset at 6:22 pm CDT.

Sunshine

The average sunshine in October is 6.4h.

UV index

The average daily maximum UV index in October 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 average person.
Note: A maximum UV index of 2 in October translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What is the average October temperature?

In Richmond Lake Heights Development, in October, the average high-temperature is 56.3°F (13.5°C), and the average low-temperature is 40.1°F (4.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in October?

The average relative humidity in October is 64%.

How many days does it rain in October?

In Richmond Lake Heights Development, South Dakota, in October, during 7.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 2.1 snowfall days, it receives 0.51" (13mm) of snow.

How many hours of daylight does Richmond Lake Heights Development have in October?

In Richmond Lake Heights Development, the average day length in October is 10h and 55min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:33 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:22 pm CDT.

How many hours of sunshine does Richmond Lake Heights Development have in October?

The average sunshine duration in October is 6.4h.

What is the UV index intensity in October?

In Richmond Lake Heights Development, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from 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
Richmond Lake Heights Development, SD

Average temperature in October - Richmond Lake Heights Development, SD
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in October
Richmond Lake Heights Development, SD

Average pressure in October - Richmond Lake Heights Development, SD
  • Average pressure in October: 29.98"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).

Average wind speed in October
Richmond Lake Heights Development, SD

Average wind speed in October - Richmond Lake Heights Development, SD
  • Average wind speed in October: 10.4mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in October
Richmond Lake Heights Development, SD

Average humidity in October - Richmond Lake Heights Development, SD
  • Average humidity in October: 64%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in October
Richmond Lake Heights Development, SD

Average rainfall in October - Richmond Lake Heights Development, SD
  • Average rainfall in October: 1.61"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in October
Richmond Lake Heights Development, SD

Average rainfall days in October - Richmond Lake Heights Development, SD
  • Average rainfall days in October: 7.8 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in October
Richmond Lake Heights Development, SD

Average snowfall in October - Richmond Lake Heights Development, SD
  • Average snowfall in October: 0.51"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Richmond Lake Heights Development, SD

Average snowfall days in October - Richmond Lake Heights Development, SD
  • Average snowfall days in October: 2.1 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Richmond Lake Heights Development, SD

Average daylight in October / Average sunshine in October - Richmond Lake Heights Development, SD
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in October
Richmond Lake Heights Development, SD

Average sunshine days in October - Richmond Lake Heights Development, SD
  • Average sunshine days in October: 19.8 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in October
Richmond Lake Heights Development, SD

Average UV index in October - Richmond Lake Heights Development, SD
  • Average UV index in October: 2

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

Average cloud cover in October
Richmond Lake Heights Development, SD

Average cloud cover in October - Richmond Lake Heights Development, SD
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in October
Richmond Lake Heights Development, SD

Average visibility in October - Richmond Lake Heights Development, 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).

Richmond Lake Heights Development, South Dakota, USA

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