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 signals a considerable drop in Erwin's average high-temperature, reducing from a pleasant 71.6°F (22°C) in September to a fresh 54.3°F (12.4°C). An average low-temperature of 39°F (3.9°C) is common in Erwin during the nights of October.Humidity
The months with the lowest humidity in Erwin are September and October, with an average relative humidity of 68%.Rainfall
In Erwin, during October, the rain falls for 8.3 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Erwin, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Erwin. Throughout October, in the average 2.3 snowfall days, it receives 0.94" (24mm) of snow. In Erwin, during the entire year, snow falls for 64.3 days and aggregates up to 17.56" (446mm) of snow.Daylight
In October, the average length of the day in Erwin, South Dakota, is 10h and 58min.On the first day of the month, sunrise is at 7:28 am and sunset at 7:09 pm. On the last day of October, in Erwin, South Dakota, sunrise is at 8:06 am and sunset at 6:19 pm CDT.
Sunshine
In October, the average sunshine is 6h.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 exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in October interprets into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Erwin in October?
What are the least humid months in Erwin?
What is the average humidity in October in Erwin?
How many days does it rain in October in Erwin?
When does it start snowing in Erwin?
What is the average length of the day in October in Erwin?
What time are sunrise and sunset in October in Erwin?
How long on average sun shines in October in Erwin?
What is the UV index intensity in October in Erwin?
Average temperature in October
Erwin, SD
- Average high temperature in October: 54.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in October: 39°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in October
Erwin, 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 (29.85"Hg).
Average wind speed in October
Erwin, SD
- Average wind speed in October: 11.2mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in October
Erwin, SD
- Average humidity in October: 68%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in October
Erwin, SD
- Average rainfall in October: 1.73"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in October
Erwin, SD
- Average rainfall days in October: 8.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in October
Erwin, SD
- Average snowfall in October: 0.94"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Erwin, SD
- Average snowfall days in October: 2.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Erwin, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Erwin, SD
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Erwin, SD
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Erwin, SD
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Erwin, 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).
Erwin, South Dakota, USA
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