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 indicates a shift in the average high-temperature, from September's moderately hot 77°F (25°C) to a comfortable 64.6°F (18.1°C). October's average low-temperature reading settles at a chilly 47.3°F (8.5°C).Humidity
With an average relative humidity of 74%, October is the least humid month.Rainfall
In Old Saint Louis, during October, the rain falls for 11.6 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 29.29" (744mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Old Saint Louis, the average length of the day in October is 11h and 9min.On the first day of October in Old Saint Louis, Indiana, sunrise is at 7:39 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in October in Old Saint Louis is 6.9h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Old Saint Louis in October?
What is the least humid month in Old Saint Louis?
What is the average humidity in October in Old Saint Louis?
How many days does it rain in October in Old Saint Louis?
When it does not snow in Old Saint Louis?
Does it snow in Old Saint Louis in October?
How many hours of daylight does Old Saint Louis have in October?
What time are sunrise and sunset in October in Old Saint Louis?
How many hours of sunshine does Old Saint Louis have in October?
What is the UV index intensity in October in Old Saint Louis?
Average temperature in October
Old Saint Louis, IN
- Average high temperature in October: 64.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in October
Old Saint Louis, IN
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Old Saint Louis, IN
- Average wind speed in October: 7.5mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in October
Old Saint Louis, IN
- Average humidity in October: 74%
The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Old Saint Louis, IN
- Average rainfall in October: 2.24"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in October
Old Saint Louis, IN
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall in October
Old Saint Louis, IN
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Old Saint Louis, IN
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (9.6 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
Old Saint Louis, 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 30min).
- Average sunshine in October: 6h and 5min
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 6min).
Average sunshine days in October
Old Saint Louis, IN
- Average sunshine days in October: 17.7 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in October
Old Saint Louis, IN
- Average UV index in October: 3
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, November and December (UV index 2).
Average cloud cover in October
Old Saint Louis, IN
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Old Saint Louis, IN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).
Old Saint Louis, Indiana, USA
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