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
The arrival of October signals a clear decrease in the average high-temperature, falling from a warm 75.7°F (24.3°C) in September to a comfortable 60.8°F (16°C). During the month of October, Swan anticipates a mean low-temperature of 45°F (7.2°C).Humidity
With an average relative humidity of 71%, October is the least humid month in Swan.Rainfall
In Swan, in October, during 7.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Swan, during the entire year, the rain falls for 109.9 days and collects up to 12.72" (323mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 28.4 snowfall days, and 5.71" (145mm) of snow is accumulated.Daylight
The average length of the day in October in Swan is 11h and 5min.On the first day of the month, sunrise is at 7:10 am and sunset at 6:54 pm. On the last day of October, sunrise is at 7:44 am and sunset at 6:09 pm CDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 3 during October, leads to the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Stay sun-safe with clothing that is both closely woven and worn loosely. 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 are October temperatures?
What is the least humid month?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Swan have in October?
What is the UV index intensity in October?
Average temperature in October
Swan, IA
- Average high temperature in October: 60.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in October: 45°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in October
Swan, IA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Swan, IA
- Average wind speed in October: 9.5mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in October
Swan, IA
- Average humidity in October: 71%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Swan, IA
- Average rainfall in October: 0.75"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in October
Swan, IA
- Average rainfall days in October: 7.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in October
Swan, IA
- Average snowfall in October: 0.2"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Swan, IA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Swan, IA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in October
Swan, IA
- Average sunshine days in October: 21.3 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in October
Swan, IA
- 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
Swan, IA
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in October
Swan, IA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Swan, Iowa, USA
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