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
Observing a mild shift, the average high-temperature during October reduces from September's warm 79.7°F (26.5°C) to a comfortable 67.1°F (19.5°C). October witnesses an average nighttime temperature of 49.1°F (9.5°C).Humidity
With an average relative humidity of 73%, October is the least humid month in Derby.Rainfall
In Derby, during October, the rain falls for 8.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Derby, during the entire year, the rain falls for 133.4 days and collects up to 17.99" (457mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows in Derby, Indiana. Throughout October, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Derby, there are 20.2 snowfall days, and 4.02" (102mm) of snow is accumulated.Daylight
In Derby, the average length of the day in October is 11h and 12min.On the first day of October, sunrise is at 6:42 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:47 pm CDT.
Sunshine
In Derby, the average sunshine in October is 6.9h.UV index
In October, the average daily maximum UV index in Derby is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 3 in October leads to these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Derby in October?
What is the least humid month in Derby?
What is the average humidity in October in Derby?
How many days does it rain in October in Derby?
When does it start to snow in Derby?
How many hours of daylight does Derby have in October?
When is the sunrise / sunset in October in Derby?
How many hours of sunshine does Derby have in October?
What is the UV index intensity in October in Derby?
Average temperature in October
Derby, IN
- Average high temperature in October: 67.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in October
Derby, IN
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Derby, IN
- Average wind speed in October: 7mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in October
Derby, IN
- Average humidity in October: 73%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Derby, IN
- Average rainfall in October: 1.26"
The wettest month (with the highest rainfall) is April (2.13").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in October
Derby, IN
- Average rainfall days in October: 8.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in October
Derby, IN
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Derby, IN
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Derby, IN
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in October
Derby, IN
- Average sunshine days in October: 20 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in October
Derby, IN
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Derby, IN
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Derby, IN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Derby, Indiana, USA
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