Springfield
Illinois, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Springfield, IL

The Abraham Lincoln House in Springfield, Illinois, on a partially sunny autumn day
The Abraham Lincoln House in Springfield, Illinois, on a partially sunny autumn day
October, like September, in Springfield, Illinois, is another enjoyable autumn month, with average temperature ranging between min 43.9°F (6.6°C) and max 66.4°F (19.1°C).

Temperature

In Springfield, Illinois, the average high-temperature in October decreases, from a warm 79°F (26.1°C) in September, to a comfortable 66.4°F (19.1°C). In October, the average low-temperature is 43.9°F (6.6°C).

Humidity

In Springfield, the average relative humidity is 68.4%.

Rainfall

In Springfield, during October, the rain falls for 8.5 days and regularly aggregates up to 3.1" (80mm) of precipitation. In Springfield, Illinois, during the entire year, the rain falls for 113.4 days and collects up to 37.4" (950.8mm) of precipitation.

Snowfall

May through October are months without snowfall in Springfield.

Daylight

The average length of the day in October is 11.1h.

Sunshine

In Springfield, the average sunshine in October is 6.9h.

UV index

In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in October in Springfield?

In October, in Springfield, the average high-temperature is 66.4°F (19.1°C), and the average low-temperature is 43.9°F (6.6°C).

What is the average humidity in October in Springfield?

In Springfield, Illinois, the average relative humidity in October is 68.4%.

How many days does it rain in October in Springfield?

In Springfield, Illinois, in October, during 8.5 rainfall days, 3.1" (80mm) of precipitation is typically accumulated.

Does it snow in Springfield in October?

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

When it does not snow in Springfield?

May through October are months without snowfall in Springfield, Illinois.

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

In Springfield, the average length of the day in October is 11.1h.

How many hours of sunshine does Springfield have in October?

The average sunshine in October in Springfield is 6.9h.

How high is the UV index in October in Springfield?

In October, the average daily maximum UV index in Springfield, Illinois, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in October - Springfield, IL
  • Average high temperature in October: 19.1°C

The warmest month (with the highest average high temperature) is July (30.1°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in October: 6.6°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).

Average humidity in October - Springfield, IL
  • Average humidity in October: 68.4%

The month with the highest relative humidity is December (77.6%).
The month with the lowest relative humidity is April (65.3%).

Average rainfall in October - Springfield, IL
  • Average rainfall in October: 80mm

The wettest month (with the highest rainfall) is June (113.3mm).
The driest month (with the lowest rainfall) is February (46mm).

Average rainfall days in October - Springfield, IL
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is May (11.7 days).
The month with the lowest number of rainy days is September (7.4 days).

Average snowfall in October - Springfield, IL
  • Average snowfall in October: 0mm

The month with the highest snowfall is January (162.6mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in October - Springfield, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (5.4 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in October / Average sunshine in October - Springfield, IL
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 6.9h

Months with most sunshine are June and July (Average sunshine: 10.3h).
The month with least sunshine is December (Average sunshine: 4.2h).

Average UV index in October - Springfield, IL
  • Average UV index in October: 4

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).