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's onset brings a slight change in high-temperatures, falling from a moderately hot 77°F (25°C) in September to a comfortable 64.2°F (17.9°C). The average nighttime temperature in Riley lowers to a frosty 47.5°F (8.6°C) throughout October.Humidity
The least humid month in Riley, Indiana, is October, with an average relative humidity of 72%.Rainfall
In October, the rain falls for 10.9 days. Throughout October, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 147.1 rainfall days, and 25.87" (657mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Riley, the average length of the day in October is 11h and 9min.On the first day of October, sunrise is at 7:46 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 6:48 pm EDT.
Sunshine
In October, the average sunshine is 7h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in October leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the usual temperature for Riley in October?
What is the least humid month in Riley?
What is the average humidity in October in Riley?
How much does it rain in Riley in October?
When it does not snow in Riley?
Does it snow in Riley in October?
How many hours of daylight does Riley have in October?
When is the sunrise / sunset in October in Riley?
How long on average sun shines in October in Riley?
What is the month with the lowest UV index in Riley?
What is the UV index reading in October in Riley?
Average temperature in October
Riley, IN
- Average high temperature in October: 64.2°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in October: 47.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in October
Riley, IN
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Riley, IN
- Average wind speed in October: 8.5mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in October
Riley, IN
- Average humidity in October: 72%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Riley, IN
- Average rainfall in October: 1.73"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in October
Riley, IN
- Average rainfall days in October: 10.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in October
Riley, IN
- Average snowfall in October: 0"
The month with the highest snowfall is December (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Riley, IN
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Riley, IN
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Riley, IN
- Average sunshine days in October: 18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in October
Riley, IN
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in October
Riley, IN
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June, August and September (Cloud cover 31).
Average visibility in October
Riley, IN
- 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).
Riley, Indiana, USA
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