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
During the transition into October, Decatur observes a decrease in the average high-temperature, falling from a moderately hot 73.8°F (23.2°C) in September to a refreshing 61.7°F (16.5°C). Decatur reports a consistent average low-temperature of 45.9°F (7.7°C) throughout October nights.Humidity
With an average relative humidity of 74%, October is the least humid month.Rainfall
In October, the rain falls for 12.6 days. Throughout October, 1.57" (40mm) of precipitation is accumulated. In Decatur, during the entire year, the rain falls for 159.4 days and collects up to 23.74" (603mm) 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 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Decatur, there are 48.4 snowfall days, and 10.47" (266mm) of snow is accumulated.Daylight
In Decatur, the average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 7:37 am and sunset at 7:21 pm. On the last day of October, sunrise is at 8:09 am and sunset at 6:36 pm EDT.
Sunshine
In October, the average sunshine in Decatur is 6.2h.UV index
In October, the average daily maximum UV index in Decatur is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During October, 2 as the daily maximum UV index converts into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the usual temperature for Decatur in October?
What is the least humid month in Decatur?
What is the average humidity in October in Decatur?
How much does it rain in Decatur in October?
When does it start snowing in Decatur?
What is the average length of the day in October in Decatur?
When is the sunrise / sunset in October in Decatur?
How long on average sun shines in October in Decatur?
What is the UV index reading in October in Decatur?
Average temperature in October
Decatur, IN
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in October: 45.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in October
Decatur, IN
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Decatur, IN
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Decatur, IN
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Decatur, IN
- Average rainfall in October: 1.57"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in October
Decatur, IN
- Average rainfall days in October: 12.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in October
Decatur, IN
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Decatur, IN
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (13.5 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, IN
- 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 18min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
Decatur, IN
- Average sunshine days in October: 15.6 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10 days).
Average UV index in October
Decatur, IN
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Decatur, IN
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in October
Decatur, IN
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Decatur, Indiana, USA
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