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 arrival corresponds with a decrease in average high-temperatures, from September's warm 78.6°F (25.9°C) to a comfortable 65.3°F (18.5°C). During October, East Alton experiences a consistent low-temperature average of 48.7°F (9.3°C).Humidity
October is the least humid month in East Alton, with an average relative humidity of 71%.Rainfall
In East Alton, in October, it is raining for 10.5 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in East Alton, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in East Alton.Daylight
The average length of the day in October is 11h and 10min.On the first day of October in East Alton, Illinois, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:00 pm CDT.
Sunshine
In East Alton, the average sunshine in October is 6.2h.UV index
The average daily maximum UV index in October in East Alton, Illinois, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in October translates into these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average October temperature in East Alton?
What is the least humid month in East Alton?
What is the average humidity in October in East Alton?
How much does it rain in East Alton in October?
When it does not snow in East Alton?
Does it snow in East Alton in October?
What is the average length of the day in October in East Alton?
When are sunrise and sunset in October in East Alton?
How long on average sun shines in October in East Alton?
What is the UV index intensity in October in East Alton?
Average temperature in October
East Alton, IL
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in October: 48.7°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 (23.4°F).
Average pressure in October
East Alton, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
East Alton, IL
- Average wind speed in October: 8.1mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in October
East Alton, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
East Alton, IL
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in October
East Alton, IL
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in October
East Alton, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
East Alton, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (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
East Alton, IL
- 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 30min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in October
East Alton, IL
- Average sunshine days in October: 19.7 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in October
East Alton, IL
- 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, November and December (UV index 2).
Average cloud cover in October
East Alton, IL
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in October
East Alton, IL
- 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).
East Alton, Illinois, USA
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