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 beginning of October signals a clear reduction in the average high-temperature, falling from a warm 76.1°F (24.5°C) in September to a refreshing 61.7°F (16.5°C). During October, Decatur City witnesses a consistent average low-temperature of 44.4°F (6.9°C).Humidity
The least humid month is October, with an average relative humidity of 72%.Rainfall
In Decatur City, during October, the rain falls for 9.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Decatur City, during the entire year, the rain falls for 132.4 days and collects up to 20.24" (514mm) of precipitation.Snowfall
January through May, 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 0.55" (14mm) of snow. In Decatur City, during the entire year, snow falls for 30.2 days and aggregates up to 10.16" (258mm) of snow.Daylight
The average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 7:12 am and sunset at 6:56 pm. On the last day of October, sunrise is at 7:45 am and sunset at 6:12 pm CDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In October, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
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?
How many hours of daylight does Decatur City have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Decatur City have in October?
How high is the UV index in October?
Average temperature in October
Decatur City, IA
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in October: 44.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in October
Decatur City, 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
Decatur City, IA
- Average wind speed in October: 9.3mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in October
Decatur City, IA
- Average humidity in October: 72%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Decatur City, IA
- Average rainfall in October: 1.54"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").
Average rainfall days in October
Decatur City, IA
- Average rainfall days in October: 9.9 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in October
Decatur City, IA
- Average snowfall in October: 0.55"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Decatur City, IA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Decatur City, IA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Decatur City, IA
- Average sunshine days in October: 18.6 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in October
Decatur City, IA
- Average UV index in October: 2
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
Decatur City, IA
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in October
Decatur City, IA
- 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).
Decatur City, Iowa, USA
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