Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October brings a significant decrease in the average high-temperature, moving down from a warm 23.3°C (73.9°F) in September to a refreshing 13.6°C (56.5°F). In October, the recorded average low-temperature is a cold 4.4°C (39.9°F).Humidity
In Rapid City, the average relative humidity in October is 58%.Rainfall
In October, the rain falls for 8.6 days. Throughout October, 29mm (1.14") of precipitation is accumulated. Throughout the year, there are 118.8 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In October, it is snowing for 2.6 days. Throughout October, 38mm (1.5") of snow is accumulated. Throughout the year, there are 50.4 snowfall days, and 620mm (24.41") of snow is accumulated.Daylight
In Rapid City, the average length of the day in October is 10h and 59min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:33 pm. On the last day of October, in Rapid City, sunrise is at 7:29 am and sunset at 5:43 pm MDT.
Sunshine
In October, the average sunshine is 7.3h.UV index
In Rapid City, South Dakota, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during October translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How many days does it rain in October in Rapid City?
How many days does it snow in October?
How many hours of daylight does Rapid City have in October?
When is the sunrise / sunset in October?
How many hours of sunshine does Rapid City have in October?
What is the UV index intensity in October?
Average temperature in October
Rapid City, SD
- Average high temperature in October: 13.6°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is December (0.3°C).
- Average low temperature in October: 4.4°C
The month with the highest average low temperature is July (17.4°C).
The coldest month (with the lowest average low temperature) is February (-7.9°C).
Average pressure in October
Rapid City, SD
- Average pressure in October: 1015.4mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).
Average wind speed in October
Rapid City, SD
- Average wind speed in October: 16.2km/h
The windiest month (with the highest average wind speed) is April (16.5km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in October
Rapid City, SD
- Average humidity in October: 58%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall in October
Rapid City, SD
- Average rainfall in October: 29mm
The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in October
Rapid City, SD
- Average rainfall days in October: 8.6 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in October
Rapid City, SD
- Average snowfall in October: 38mm
The month with the highest snowfall is April (138mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in October
Rapid City, SD
- Average snowfall days in October: 2.6 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Rapid City, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 7h and 2min
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 54min).
Average sunshine days in October
Rapid City, SD
- Average sunshine days in October: 17.7 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in October
Rapid City, SD
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Rapid City, SD
- Average cloud cover in October: 26
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
Rapid City, SD
- Average visibility in October: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
Rapid City, South Dakota, USA
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