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
With the onset of October, Irene experiences a noticeable temperature shift, with the average high-temperature receding from a moderately hot 76.1°F (24.5°C) in September to a moderate 59.4°F (15.2°C). Throughout October, an average low-temperature of 42.6°F (5.9°C) is experienced in Irene.Humidity
With an average relative humidity of 64%, October is the least humid month.Rainfall
In Irene, in October, it is raining for 9.3 days, with typically 1.73" (44mm) of accumulated precipitation. In Irene, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) 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 0.8 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 1min.On the first day of the month, sunrise is at 7:26 am and sunset at 7:09 pm. On the last day of October, in Irene, sunrise is at 8:03 am and sunset at 6:21 pm CDT.
Sunshine
In October, the average sunshine in Irene is 6.4h.UV index
The average daily maximum UV index in October in Irene is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 3 in October transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Irene?
What is the least humid month in Irene?
What is the average humidity in October in Irene?
How much does it rain in Irene in October?
When does it start snowing in Irene?
How many hours of daylight does Irene have in October?
What time are sunrise and sunset in October in Irene?
How long on average sun shines in October in Irene?
How high is the UV index in October in Irene?
Average temperature in October
Irene, SD
- Average high temperature in October: 59.4°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in October
Irene, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Irene, SD
- Average wind speed in October: 10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in October
Irene, SD
- Average humidity in October: 64%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in October
Irene, SD
- Average rainfall in October: 1.73"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in October
Irene, SD
- Average rainfall days in October: 9.3 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in October
Irene, SD
- Average snowfall in October: 0.39"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Irene, SD
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Irene, 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 6min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Irene, SD
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in October
Irene, SD
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Irene, SD
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in October
Irene, 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).
Irene, South Dakota, USA
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