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
Setting in of October comes with a decrease in the average high-temperature, moving from a moderately hot 84.7°F (29.3°C) in September to a still warm 73.6°F (23.1°C). Throughout the month of October, Irmo expects an average low of 55.4°F (13°C).Humidity
The average relative humidity in October is 72%.Rainfall
In October, the rain falls for 7.8 days. Throughout October, 2.05" (52mm) of precipitation is accumulated. In Irmo, during the entire year, the rain falls for 147.8 days and collects up to 28.23" (717mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In October, the average length of the day is 11h and 19min.On the first day of October, sunrise is at 7:19 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 6:32 pm EDT.
Sunshine
In Irmo, the average sunshine in October is 6.7h.UV index
In October, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, the UV index of 5 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October in Irmo?
How many days does it rain in October?
When it does not snow?
How many hours of daylight does Irmo have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Irmo, SC
- Average high temperature in October: 73.6°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in October: 55.4°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in October
Irmo, SC
- Average pressure in October: 30.04"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in October
Irmo, SC
- Average wind speed in October: 6.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in October
Irmo, SC
- Average humidity in October: 72%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (70%).
Average rainfall in October
Irmo, SC
- Average rainfall in October: 2.05"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in October
Irmo, SC
- Average rainfall days in October: 7.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (7.8 days).
Average snowfall in October
Irmo, SC
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in October
Irmo, SC
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Irmo, SC
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in October
Irmo, SC
- Average sunshine days in October: 21.8 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in October
Irmo, SC
- Average UV index in October: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in October
Irmo, SC
- Average cloud cover in October: 28
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in October
Irmo, SC
- 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).
Irmo, South Carolina, USA
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