October weather forecastDecatur, AR
October
Weather in October
October, the same as September, in Decatur, Arkansas, is an agreeable autumn month, with an average temperature varying between 49.8°F (9.9°C) and 68.9°F (20.5°C).Temperature
The move into October indicates a reduction in the average high-temperature, down from September's warm 81.7°F (27.6°C) to an agreeable 68.9°F (20.5°C). An average low-temperature of 49.8°F (9.9°C) is expected during October.Humidity
With an average relative humidity of 70%, October is the least humid month.Rainfall
In October, the rain falls for 10.6 days. Throughout October, 2.72" (69mm) of precipitation is accumulated. In Decatur, during the entire year, the rain falls for 139.7 days and collects up to 31.02" (788mm) of precipitation.Snowfall
In Decatur, snow does not fall in June through October.Daylight
The average length of the day in October is 11h and 15min.On the first day of the month, sunrise is at 7:13 am and sunset at 7:00 pm. On the last day of October, sunrise is at 7:40 am and sunset at 6:22 pm CDT.
Sunshine
The average sunshine in October is 6.1h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 during October translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Decatur, AR
- Average high temperature in October: 68.9°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in October: 49.8°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in October
Decatur, AR
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).
Average wind speed in October
Decatur, AR
- Average wind speed in October: 8.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in October
Decatur, AR
- Average humidity in October: 70%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Decatur, AR
- Average rainfall in October: 2.72"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in October
Decatur, AR
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and November (8.5 days).
Average snowfall in October
Decatur, AR
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Decatur, AR
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Decatur, AR
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in October: 6h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in October
Decatur, AR
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is December (19.2 days).
The months with the least sunshine days are March and April (13.3 days).
Average UV index in October
Decatur, AR
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in October
Decatur, AR
- Average cloud cover in October: 31
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in October
Decatur, AR
- 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).





