Butler Weather in October (1981–2025)

📍 40.86°N, 79.90°W •
📊

October at a Glance in Butler

(1981–2025)
Avg High
🔥
17.0°C
Avg Low
❄️
5.2°C
Avg Temp
🌡️
11.1°C
Avg Rain
🌧️
76 mm
Avg Humidity
💧
77%
Avg Wind
🌬️
0.1 m/s
Avg Solar
☀️
3
kWh/m²/day
vs Annual
📈
+1.5°C
temp difference
❄️Cool afternoons❄️Cold mornings☁️Cloudier skies🌧️Wet month🍃Light winds💦Humid air

Butler October Weather Overview

October is one of the warmer months of the year in Butler, with average highs near 17°C and lows around 5.2°C (mean 11.1°C). It is about average for rainfall, averaging 76 mm of rainfall and 77% relative humidity across the period.

Butler October Temperature History (1981–2025)

Range

October is one of the warmer months of the year in Butler. Across 45 years of records, the warmest October in Butler was 2021 — when the month averaged 15°C — while the coldest was 1988 at 7.1°C. Typical October days reach 17°C with nights near 5.2°C. The long-term trend is warming, about 0.5°C per decade.

1981–1985 vs 2021–2025

Avg Temp11.5°C→12.5°C+1°C
Max Temp17.6°C→18.7°C+1.1°C
Min Temp5.6°C→6.3°C+0.7°C

Trend (per decade)

Avg Temp+0.5°C/decade ↗
Max Temp+0.5°C/decade ↗
Min Temp+0.5°C/decade ↗

Distribution of Avg Temp

7.0°C–9.0°C3 yr (7%)
9.0°C–11.0°C18 yr (40%)
11.0°C–13.0°C20 yr (44%)
13.0°C–15.0°C4 yr (9%)

Butler October Rainfall History (1981–2025)

Range

October is about average for rainfall in Butler, averaging 76 mm of rainfall. The wettest October on record was 2012 with 133 mm, while the driest was 1982 at 27 mm.

Butler October Humidity History (1981–2025)

Range

Relative humidity in Butler during October averages 77%. The most humid October was 2004 at 84%, and the least humid was 2001 at 68%.

Butler October Solar History (1981–2025)

Range

October receives about 3 kWh/m²/day of solar energy in Butler. The sunniest October was 2024 at 3.7 kWh/m²/day, and the cloudiest were 2002 and 2009 at 2.4.

Butler October Wind History (1981–2025)

Range

Average wind speed in Butler during October is 0.1 m/s. The windiest Octobers were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2017, 2018 and 2022, among others at 0 m/s.

What October Feels Like in Butler

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

How October Ranks in Butler

🔥6th warmest month of the year
🌵4th driest month of the year
☀️8th sunniest month of the year

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

Explore Butler Weather by Month

Butler October Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp10.4°C10.6°C10.9°C11.8°C12.3°C+1.9°C
Avg High16.2°C16.8°C16.6°C17.3°C18.5°C+2.3°C
Avg Low4.6°C4.3°C5.1°C6.2°C6.2°C+1.6°C
Avg Rain69 mm66 mm76 mm94 mm73 mm+4 mm

Extreme October Records in Butler

🔥Warmest October31.6°C2019
🧊Coldest October-5.2°C1988
🌧️Wettest October133 mm2012
🏜️Driest October27 mm1982
🌬️Windiest October0.1 m/s1982

Key Insights for October

✅

October temperatures in Butler have risen by about 1°C between 1981–1985 and 2021–2025.

✅

October has ranged from a record low of -5.2°C (1988) to a record high of 31.6°C (2019).

✅

Rainfall in October is about average for rainfall, averaging 76 mm, with a wettest year of 133 mm.

Is October a Good Time to Visit Butler?

A good time to visit Butler

October is a good time to visit Butler, with days averaging 17°C and nights around 5.2°C (mean 11.1°C, warmer than Butler's yearly average) and moderate rainfall. August and July are marginally more temperate, but October still suits most travellers.

See Butler'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 →

Butler Weather in October — In Depth

☀️ October climate overview

October is one of the warmer months of the year in Butler, with average highs near 17°C and lows around 5.2°C (mean 11.1°C). It is about average for rainfall, averaging 76 mm of rainfall and 77% relative humidity across the period.

🌧️ Rain, humidity & wind in October

October averages 76 mm of rainfall in Butler, about average for rainfall compared with the rest of the year. The wettest October on record saw 133 mm (2012), and the driest just 27 mm (1982). Humidity sits around 77% and average wind speed is 0.1 m/s, with solar radiation averaging 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°C. Daytime highs moved from 17.6°C to 18.7°C and overnight lows from 5.6°C to 6.3°C over the same span.
October Weather in Butler, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202518.7°C12.1°C5.6°C29.0°C-0.3°C89 mm71%0.1 m/s3.3
202419.9°C12.7°C5.5°C27.3°C-0.9°C29 mm70%0.1 m/s3.7
202318.2°C12.6°C7.0°C30.1°C0.3°C83 mm74%0.1 m/s2.8
202216.4°C10.0°C3.5°C23.3°C-1.6°C52 mm72%0 m/s3.2
2021 🔥20.4°C15.0°C9.7°C27.2°C2.9°C95 mm82%0.1 m/s2.7
202017.1°C11.6°C6.0°C25.8°C-3.0°C90 mm76%0.1 m/s2.8
201918.7°C12.6°C6.5°C31.6°C0.6°C125 mm76%0.1 m/s3.1
201816.4°C11.3°C6.1°C28.5°C-2.7°C88 mm84%0 m/s2.7
201720.1°C14.1°C8.1°C28.2°C-0.2°C86 mm74%0 m/s3
201618.8°C12.9°C6.9°C26.6°C-1.0°C102 mm78%0 m/s3.1
201516.7°C11.1°C5.4°C23.4°C-3.1°C88 mm75%0 m/s3
201416.9°C11.7°C6.5°C27.0°C0.1°C67 mm77%0 m/s2.7
201317.8°C12.3°C6.8°C28.4°C-2.4°C70 mm78%0 m/s3
2012 🌧️15.9°C10.7°C5.6°C25.6°C-2.3°C133 mm81%0.1 m/s2.6
201115.1°C10.2°C5.3°C24.9°C-3.1°C111 mm84%0.1 m/s2.5
201016.5°C10.8°C5.1°C26.2°C-1.7°C71 mm76%0.1 m/s3
200914.6°C9.5°C4.4°C21.2°C-3.1°C84 mm81%0 m/s2.4
200816.0°C9.7°C3.4°C28.0°C-4.5°C60 mm72%0.1 m/s3.2
200720.6°C14.6°C8.5°C31.1°C-1.7°C63 mm73%0.1 m/s3.1
200614.4°C9.3°C4.2°C24.4°C-3.0°C131 mm82%0.1 m/s2.7
200517.7°C12.1°C6.5°C28.2°C-1.9°C75 mm79%0.1 m/s2.7
200416.3°C10.9°C5.5°C22.3°C-1.1°C63 mm84%0.1 m/s2.9
200315.1°C9.2°C3.3°C23.6°C-2.5°C72 mm80%0.1 m/s3.1
200215.4°C10.0°C4.6°C27.9°C-3.4°C68 mm78%0 m/s2.4
200117.7°C11.7°C5.6°C27.0°C-2.5°C86 mm68%0 m/s3.2
200018.2°C11.8°C5.4°C25.4°C-2.6°C56 mm77%0.1 m/s3.2
199917.4°C10.6°C3.8°C24.2°C-2.4°C44 mm72%0 m/s3.4
199817.7°C11.4°C5.1°C26.5°C-0.6°C76 mm75%0.1 m/s3.2
199717.2°C10.6°C4.0°C28.0°C-2.8°C29 mm73%0.1 m/s3.5
199615.7°C9.9°C4.0°C22.1°C-1.1°C92 mm81%0 m/s2.9
199518.0°C11.8°C5.6°C25.9°C-1.3°C122 mm75%0.1 m/s3.1
199416.8°C10.3°C3.7°C23.3°C-1.5°C35 mm74%0.1 m/s3.2
199315.6°C9.4°C3.2°C25.7°C-2.3°C73 mm75%0 m/s3.1
199214.7°C8.8°C2.8°C22.2°C-4.8°C54 mm79%0.1 m/s2.8
199118.3°C11.6°C4.9°C26.5°C-3.0°C32 mm69%0.1 m/s3.1
199016.5°C11.1°C5.6°C24.6°C-3.6°C105 mm82%0.1 m/s2.9
198916.6°C10.7°C4.8°C25.4°C-1.4°C69 mm78%0.1 m/s3
1988 ❄️12.3°C7.1°C1.9°C27.7°C-5.2°C66 mm75%0 m/s2.9
198713.2°C7.3°C1.4°C19.3°C-3.6°C57 mm78%0.1 m/s3.1
198616.2°C10.9°C5.6°C24.1°C-1.5°C92 mm82%0 m/s3.1
198517.9°C11.7°C5.6°C24.7°C-3.7°C58 mm72%0 m/s3
198419.8°C13.9°C8.0°C25.6°C2.2°C72 mm79%0.1 m/s2.9
198316.8°C11.1°C5.4°C26.4°C-4.1°C104 mm78%0 m/s—
198218.3°C11.9°C5.6°C26.1°C-4.3°C27 mm70%0.1 m/s—
198115.0°C9.1°C3.3°C21.5°C-3.7°C81 mm76%0 m/s—

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

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Butler October Weather — FAQ

What is the average temperature in Butler in October?▼

The average high in October is around 17°C with lows near 5.2°C (mean 11.1°C), based on 45 years of NASA POWER data.

Does it rain a lot in Butler in October?▼

October averages 76 mm of rainfall in Butler, about average for rainfall. The wettest on record was 133 mm in 2012.

What was the hottest October on record in Butler?▼

The hottest October reached 31.6°C in 2019. The coldest dipped to -5.2°C in 1988.

Has October in Butler 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°C. Daytime highs moved from 17.6°C to 18.7°C and overnight lows from 5.6°C to 6.3°C over the same span.

Is October a good time to visit Butler?▼

October is one of the warmer months of the year in Butler and about average for rainfall, so plan for around 17°C daytime highs and 5.2°C at night.

Is October the coldest month in Butler?▼

Not quite — October is the 7th coolest month in Butler, averaging 11.1°C.

What should I pack for Butler in October?▼

For October in Butler, pack warm layers and a jacket for chilly mornings, with typical highs of 17°C and lows of 5.2°C. Bring an umbrella or light rain jacket too.

Is Butler humid in October?▼

Relative humidity in October averages 77% — quite humid.

How windy is Butler in October?▼

Average wind speed in October is 0.1 m/s. The windiest October on record averaged 0.1 m/s (1982).

Which October had the most rainfall in Butler?▼

The wettest October on record was 2012 with 133 mm. On average, October sees 76 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 Pennsylvania cities

Explore how the weather in Butler 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.