October weather forecast
Hartford, IL

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Weather in October

October, like September, in Hartford, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 65.3°F (18.5°C) and 48.7°F (9.3°C).

Temperature

The decrease of average high-temperatures is mild in October, with a decline from a warm 78.6°F (25.9°C) in September to an enjoyable 65.3°F (18.5°C). An average low-temperature of 48.7°F (9.3°C) is observed during the October nights.

Humidity

October is the least humid month in Hartford, with an average relative humidity of 71%.

Rainfall

In October, in Hartford, the rain falls for 10.5 days. Throughout October, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Hartford, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

In Hartford, snow does not fall in May through October.

Daylight

In October, the average length of the day in Hartford is 11h and 10min.
On the first day of October in Hartford, sunrise is at 6:56 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

The average sunshine in October in Hartford is 6.2h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are October temperatures in Hartford?

In Hartford, in October, the average high-temperature is 65.3°F (18.5°C), and the average low-temperature is 48.7°F (9.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 93.2°F (34°C).

What is the least humid month in Hartford?

The least humid month in Hartford, Illinois, is October, with an average relative humidity of 71%.

What is the average humidity in October in Hartford?

In October, the average relative humidity is 71%.

How many days does it rain in October in Hartford?

In Hartford, Illinois, during October, the rain falls for 10.5 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Hartford?

In Hartford, snow does not fall in May through October.

Does it snow in Hartford in October?

In Hartford, Illinois, in October, it doesn't snow. In November, it regularly snows.

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

The average day length in October in Hartford is 11h and 10min.

When are sunrise and sunset in October in Hartford?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:42 pm. On the last day of the month, in Hartford, Illinois, sunrise is at 7:27 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Hartford have in October?

In October, the average sunshine duration in Hartford, Illinois, is 6.2h.

What is the UV index intensity in October in Hartford?

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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Hartford, IL

Average temperature in October - Hartford, 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).

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Average pressure in October
Hartford, IL

Average pressure in October - Hartford, 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).

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Average wind speed in October
Hartford, IL

Average wind speed in October - Hartford, 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).

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Average humidity in October
Hartford, IL

Average humidity in October - Hartford, 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%).

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Average rainfall in October
Hartford, IL

Average rainfall in October - Hartford, 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").

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Average rainfall days in October
Hartford, IL

Average rainfall days in October - Hartford, 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).

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Average snowfall in October
Hartford, IL

Average snowfall in October - Hartford, 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").

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Average snowfall days in October
Hartford, IL

Average snowfall days in October - Hartford, 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).

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Average daylight in October /
Average sunshine in October
Hartford, IL

Average daylight in October / Average sunshine in October - Hartford, 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).

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Average sunshine days in October
Hartford, IL

Average sunshine days in October - Hartford, 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).

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Average UV index in October
Hartford, IL

Average UV index in October - Hartford, 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).

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Average cloud cover in October
Hartford, IL

Average cloud cover in October - Hartford, 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).

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Average visibility in October
Hartford, IL

Average visibility in October - Hartford, 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).

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Hartford, Illinois, USA

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