October weather forecast
Alton, IN

Share

Weather in October

October, the same as September, is another enjoyable autumn month in Alton, Indiana, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 48°F (8.9°C).

Temperature

The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 79.3°F (26.3°C) in September to a refreshing 66.7°F (19.3°C). Throughout the month of October, the nighttime temperature dips to an average of 48°F (8.9°C).

Humidity

October is the least humid month in Alton, Indiana, with an average relative humidity of 74%.

Rainfall

In Alton, during October, the rain falls for 10.4 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Alton, during the entire year, the rain falls for 160 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall in Alton. In Alton, in October, during 0.2 snowfall days, 0.04" (1mm) of snow is typically accumulated. Throughout the year, in Alton, there are 26.8 snowfall days, and 7.91" (201mm) of snow is accumulated.

Daylight

The average length of the day in October in Alton is 11h and 11min.
On the first day of October, sunrise is at 7:42 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:47 pm EDT.

Sunshine

In Alton, Indiana, the average sunshine in October is 7.1h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 3 during October translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
[Resources]

Frequently asked questions

What is the temperature in October in Alton?

An average high-temperature, in October, in Alton, is 66.7°F (19.3°C) and the average low-temperature is 48°F (8.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 96.8°F (36°C).

What is the least humid month in Alton?

The least humid month in Alton, Indiana, is October, with an average relative humidity of 74%.

What is the average humidity in October in Alton?

In Alton, the average relative humidity in October is 74%.

How much does it rain in Alton in October?

In October, in Alton, Indiana, the rain falls for 10.4 days. Throughout October, 2.13" (54mm) of precipitation is accumulated.

How much does it snow in Alton in October?

In Alton, in October, snow falls for 0.2 days, with typically accumulated 0.04" (1mm) of snow.

What is the average length of the day in October in Alton?

In Alton, Indiana, the average day length in October is 11h and 11min.

What time are sunrise and sunset in October in Alton?

On the first day of October in Alton, Indiana, sunrise is at 7:42 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:47 pm EDT.

How long on average sun shines in October in Alton?

In Alton, Indiana, the average sunshine duration in October is 7.1h.

How high is the UV index in October in Alton?

In Alton, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Alton, IN

Average temperature in October - Alton, IN
  • Average high temperature in October: 66.7°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 (38.8°F).

  • Average low temperature in October: 48°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

[Resources]

Average pressure in October
Alton, IN

Average pressure in October - Alton, IN
  • Average pressure in October: 30.04"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).

[Resources]

Average wind speed in October
Alton, IN

Average wind speed in October - Alton, IN
  • Average wind speed in October: 6.5mph

The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

[Resources]

Average humidity in October
Alton, IN

Average humidity in October - Alton, IN
  • Average humidity in October: 74%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).

[Resources]

Average rainfall in October
Alton, IN

Average rainfall in October - Alton, IN
  • Average rainfall in October: 2.13"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").

[Resources]

Average rainfall days in October
Alton, IN

Average rainfall days in October - Alton, IN
  • Average rainfall days in October: 10.4 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).

[Resources]

Average snowfall in October
Alton, IN

Average snowfall in October - Alton, IN
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").

[Resources]

Average snowfall days in October
Alton, IN

Average snowfall days in October - Alton, IN
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Alton, IN

Average daylight in October / Average sunshine in October - Alton, 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: 7h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

[Resources]

Average sunshine days in October
Alton, IN

Average sunshine days in October - Alton, IN
  • Average sunshine days in October: 19.1 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).

[Resources]

Average UV index in October
Alton, IN

Average UV index in October - Alton, 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, November and December (UV index 2).

[Resources]

Average cloud cover in October
Alton, IN

Average cloud cover in October - Alton, IN
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in October
Alton, IN

Average visibility in October - Alton, IN
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).

[Resources]

Alton, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location