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 clear decrease in the average high-temperature, dropping from September's warm 75.7°F (24.3°C) to a comfortable 60.8°F (16°C). The average temperature during October nights is registered at a chilly 45°F (7.2°C).Humidity
October is the least humid month, with an average relative humidity of 71%.Rainfall
In Swan, in October, it is raining for 7.8 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Swan, there are 109.9 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows in Swan. Throughout October, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Swan, there are 28.4 snowfall days, and 5.71" (145mm) of snow is accumulated.Daylight
In Swan, the average length of the day in October is 11h and 5min.On the first day of October in Swan, sunrise is at 7:10 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 6:09 pm CDT.
Sunshine
The average sunshine in October in Swan is 5.7h.UV index
In Swan, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 3 in October leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are October temperatures in Swan?
What is the least humid month in Swan?
What is the average humidity in October in Swan?
How many days does it rain in October in Swan?
When does it start snowing in Swan?
What is the average length of the day in October in Swan?
When are sunrise and sunset in October in Swan?
How long on average sun shines in October in Swan?
What is the UV index intensity in October in Swan?
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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