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
Witnessing a clear drop in October, the average high-temperature declines from September's moderately hot 74.3°F (23.5°C) to a mild 56.3°F (13.5°C). During the October nights, an average temperature of 40.1°F (4.5°C) is observed in Westport.Humidity
In Westport, South Dakota, the average relative humidity in October is 64%.Rainfall
In Westport, in October, it is raining for 7.8 days, with typically 1.61" (41mm) of accumulated precipitation. In Westport, 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 in Westport. Throughout October, in the average 2.1 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, in Westport, South Dakota, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.Daylight
In Westport, the average length of the day in October 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, in Westport, South Dakota, sunrise is at 8:13 am and sunset at 6:21 pm CDT.
Sunshine
In October, the average sunshine in Westport is 6.4h.UV index
In Westport, 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 average individuals.Note: In October, the maximum UV index of 2 suggests these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Westport in October?
What is the average humidity in October in Westport?
How much does it rain in Westport in October?
When does it start to snow in Westport?
How many hours of daylight does Westport have in October?
When is the sunrise / sunset in October in Westport?
How long on average sun shines in October in Westport?
How high is the UV index in October in Westport?
Average temperature in October
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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).
Westport, South Dakota, USA
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