Springfield Weather in October (1981–2025)

📍 39.79°N, 89.65°W •
📊

October at a Glance in Springfield

(1981–2025)
Avg High
🔥
19.2°C
Avg Low
❄️
6.8°C
Avg Temp
🌡️
13.0°C
Avg Rain
🌧️
83 mm
Avg Humidity
💧
71%
Avg Wind
🌬️
3.1 m/s
Avg Solar
☀️
3.3
kWh/m²/day
vs Annual
📈
+1.6°C
temp difference
🌤️Mild afternoons❄️Cold mornings☁️Cloudier skies🌧️Wet month💨Breezy😊Comfortable humidity

Springfield October Weather Overview

October is one of the warmer months of the year in Springfield, with average highs near 19.2°C and lows around 6.8°C (mean 13°C). It is about average for rainfall, averaging 83 mm of rainfall and 71% relative humidity across the period.

Springfield October Temperature History (1981–2025)

Range

October is one of the warmer months of the year in Springfield. Across 45 years of records, the warmest October in Springfield was 2025 — when the month averaged 16.4°C — while the coldest were 1987 and 2009 at 9.7°C. Typical October days reach 19.2°C with nights near 6.8°C. The long-term trend is warming, about 0.4°C per decade.

1981–1985 vs 2021–2025

Avg Temp13.2°C→14.7°C+1.5°C
Max Temp19.1°C→21.2°C+2.1°C
Min Temp7.2°C→8.3°C+1.1°C

Trend (per decade)

Avg Temp+0.4°C/decade ↗
Max Temp+0.4°C/decade ↗
Min Temp+0.4°C/decade ↗

Distribution of Avg Temp

9.0°C–11.0°C5 yr (11%)
11.0°C–13.0°C15 yr (33%)
13.0°C–15.0°C19 yr (42%)
15.0°C–17.0°C6 yr (13%)

Springfield October Rainfall History (1981–2025)

Range

October is about average for rainfall in Springfield, averaging 83 mm of rainfall. The wettest October on record was 2009 with 252 mm, while the driest was 2024 at 25 mm.

Springfield October Humidity History (1981–2025)

Range

Relative humidity in Springfield during October averages 71%. The most humid October was 2009 at 83%, and the least humid was 2024 at 56%.

Springfield October Solar History (1981–2025)

Range

October receives about 3.3 kWh/m²/day of solar energy in Springfield. The sunniest Octobers were 2010 and 2024 at 4.1 kWh/m²/day, and the cloudiest was 2009 at 2.4.

Springfield October Wind History (1981–2025)

Range

Average wind speed in Springfield during October is 3.1 m/s. The windiest October was 2012 at 3.6 m/s, while the calmest were 1992 and 2000 at 2.6 m/s.

What October Feels Like in Springfield

🌅
Cold
Morning
🌞
Mild
Afternoon
🌆
Cold
Evening
Rain chanceModerate
Outdoor comfort★★★☆☆

How October Ranks in Springfield

🔥6th warmest month of the year
🌧️6th wettest month of the year
☀️8th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Springfield Weather by Month

Springfield October Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp12.3°C12.7°C12.8°C13.3°C14.3°C+2°C
Avg High18.4°C19.2°C18.8°C19.3°C20.7°C+2.3°C
Avg Low6.2°C6.1°C6.8°C7.2°C7.8°C+1.6°C
Avg Rain73 mm78 mm104 mm80 mm76 mm+3 mm

Extreme October Records in Springfield

🔥Warmest October33.1°C2006
🧊Coldest October-6.2°C2019
🌧️Wettest October252 mm2009
🏜️Driest October25 mm2024
🌬️Windiest October3.6 m/s2012

Key Insights for October

✅

October temperatures in Springfield have risen by about 1.5°C between 1981–1985 and 2021–2025.

✅

October has ranged from a record low of -6.2°C (2019) to a record high of 33.1°C (2006).

✅

Rainfall in October is about average for rainfall, averaging 83 mm, with a wettest year of 252 mm.

Is October a Good Time to Visit Springfield?

A good time to visit Springfield

October is a good time to visit Springfield, with days averaging 19.2°C and nights around 6.8°C (mean 13°C, warmer than Springfield's yearly average) and higher rainfall. June and September are marginally more temperate, but October still suits most travellers.

See Springfield's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Springfield Weather in October — In Depth

☀️ October climate overview

October is one of the warmer months of the year in Springfield, with average highs near 19.2°C and lows around 6.8°C (mean 13°C). It is about average for rainfall, averaging 83 mm of rainfall and 71% relative humidity across the period.

🌧️ Rain, humidity & wind in October

October averages 83 mm of rainfall in Springfield, about average for rainfall compared with the rest of the year. The wettest October on record saw 252 mm (2009), and the driest just 25 mm (2024). Humidity sits around 71% and average wind speed is 3.1 m/s, with solar radiation averaging 3.3 kWh/m²/day.

📈 How October has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.5°C. Daytime highs moved from 19.1°C to 21.2°C and overnight lows from 7.2°C to 8.3°C over the same span.
October Weather in Springfield, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
2025 🔥22.9°C16.4°C9.9°C32.9°C1.5°C42 mm61%2.9 m/s3.5
202423.1°C15.4°C7.6°C30.1°C0.1°C25 mm56%2.9 m/s4.1
202320.2°C14.1°C8.0°C31.3°C-4.2°C98 mm69%3.1 m/s3.3
202219.2°C12.3°C5.3°C26.8°C-4.1°C81 mm64%3.2 m/s3.8
202120.5°C15.5°C10.5°C29.4°C2.7°C168 mm80%3 m/s2.7
202018.1°C11.8°C5.6°C28.8°C-1.5°C41 mm67%3.2 m/s3.1
201917.7°C12.0°C6.3°C30.4°C-6.2°C110 mm74%3.3 m/s3
201818.9°C12.9°C6.8°C31.6°C-3.0°C92 mm73%3.1 m/s3.5
201720.9°C15.0°C9.1°C30.1°C-4.4°C106 mm69%3.4 m/s2.9
201621.6°C15.7°C9.8°C29.1°C2.7°C47 mm77%3 m/s3.3
201520.1°C13.8°C7.5°C27.5°C-0.1°C42 mm67%3.2 m/s3.6
201417.5°C12.2°C7.0°C27.2°C-1.3°C114 mm79%3.1 m/s2.9
201319.4°C13.0°C6.6°C30.8°C-3.9°C99 mm71%3 m/s3.2
201217.2°C11.3°C5.4°C26.9°C-2.9°C119 mm73%3.6 m/s3.3
201120.3°C13.6°C7.0°C29.6°C-0.5°C37 mm64%2.9 m/s3.6
201019.8°C13.3°C6.8°C27.7°C-3.3°C34 mm69%2.9 m/s4.1
2009 🌧️14.5°C9.7°C4.9°C22.0°C-2.3°C252 mm83%3.2 m/s2.4
200818.1°C12.2°C6.3°C26.9°C-3.7°C61 mm78%3 m/s3.6
200722.4°C16.1°C9.8°C32.7°C0.1°C91 mm69%3.3 m/s3.4
200617.3°C11.1°C5.0°C33.1°C-4.0°C82 mm68%3.4 m/s3.3
200520.2°C14.1°C8.1°C30.8°C1.3°C62 mm69%2.7 m/s3.5
200419.3°C13.5°C7.7°C28.1°C-0.7°C140 mm72%3.2 m/s2.9
200319.6°C13.0°C6.4°C28.3°C-1.4°C50 mm69%2.7 m/s3.6
200217.6°C11.5°C5.3°C30.6°C-1.1°C73 mm71%2.7 m/s3.2
200118.1°C12.2°C6.4°C28.6°C-2.5°C151 mm72%3.5 m/s3.3
200021.1°C14.6°C8.1°C29.5°C-2.7°C74 mm70%2.6 m/s3.4
199920.0°C12.9°C5.9°C27.8°C-3.3°C48 mm64%3 m/s3.7
199820.2°C13.8°C7.4°C26.8°C-0.2°C83 mm73%2.8 m/s3.4
199720.1°C13.5°C6.9°C31.9°C-2.5°C44 mm65%3.1 m/s3.5
199620.3°C13.4°C6.5°C28.8°C-2.3°C47 mm67%3.3 m/s3.3
199520.3°C13.5°C6.6°C28.9°C-0.2°C78 mm65%3.4 m/s3.6
199419.8°C13.4°C6.9°C29.7°C-0.6°C67 mm71%2.9 m/s3.1
199315.7°C10.0°C4.2°C25.2°C-3.9°C73 mm82%2.7 m/s3.2
199218.9°C12.3°C5.7°C28.2°C-5.9°C49 mm69%2.6 m/s3.3
199118.8°C12.8°C6.8°C28.0°C-1.9°C164 mm74%3.4 m/s3.5
199018.3°C11.5°C4.6°C29.1°C-1.9°C130 mm71%3.3 m/s3.4
198919.8°C13.0°C6.2°C28.5°C-0.4°C27 mm69%3.2 m/s3.5
198816.3°C9.8°C3.4°C27.1°C-5.0°C38 mm58%3.2 m/s3.7
1987 ❄️16.4°C9.7°C3.0°C24.8°C-2.1°C35 mm62%3 m/s3.5
198617.9°C12.4°C6.9°C24.4°C0.1°C101 mm83%2.7 m/s3
198519.9°C14.1°C8.3°C27.5°C1.8°C98 mm72%3.1 m/s2.9
198420.1°C14.5°C9.0°C27.0°C0.5°C106 mm78%2.9 m/s2.5
198319.4°C13.5°C7.6°C31.5°C0.4°C114 mm69%3.2 m/s—
198219.6°C13.0°C6.4°C28.8°C-3.0°C83 mm71%2.9 m/s—
198116.6°C10.7°C4.8°C27.6°C-5.7°C56 mm76%3.1 m/s—

Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.

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Springfield October Weather — FAQ

What is the average temperature in Springfield in October?▼

The average high in October is around 19.2°C with lows near 6.8°C (mean 13°C), based on 45 years of NASA POWER data.

Does it rain a lot in Springfield in October?▼

October averages 83 mm of rainfall in Springfield, about average for rainfall. The wettest on record was 252 mm in 2009.

What was the hottest October on record in Springfield?▼

The hottest October reached 33.1°C in 2006. The coldest dipped to -6.2°C in 2019.

Has October in Springfield gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.5°C. Daytime highs moved from 19.1°C to 21.2°C and overnight lows from 7.2°C to 8.3°C over the same span.

Is October a good time to visit Springfield?▼

October is one of the warmer months of the year in Springfield and about average for rainfall, so plan for around 19.2°C daytime highs and 6.8°C at night.

Is October the coldest month in Springfield?▼

Not quite — October is the 7th coolest month in Springfield, averaging 13°C.

What should I pack for Springfield in October?▼

For October in Springfield, pack warm layers and a jacket for chilly mornings, with typical highs of 19.2°C and lows of 6.8°C. Bring an umbrella or light rain jacket too.

Is Springfield humid in October?▼

Relative humidity in October averages 71% — moderately humid.

How windy is Springfield in October?▼

Average wind speed in October is 3.1 m/s. The windiest October on record averaged 3.6 m/s (2012).

Which October had the most rainfall in Springfield?▼

The wettest October on record was 2009 with 252 mm. On average, October sees 83 mm.

Where does this October weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Illinois cities

Explore how the weather in Springfield behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.