Peterborough Weather in October (1981–2025)

📍 44.30°N, 78.32°W •
📊

October at a Glance in Peterborough

(1981–2025)
Avg High
🔥
14.0°C
Avg Low
❄️
4.1°C
Avg Temp
🌡️
9.1°C
Avg Rain
🌧️
58 mm
Avg Humidity
💧
76%
Avg Wind
🌬️
0.5 m/s
Avg Solar
☀️
2.5
kWh/m²/day
vs Annual
📈
+2.2°C
temp difference
❄️Cool afternoons❄️Cold mornings☁️Cloudier skies🌦️Some rain🍃Light winds💦Humid air

Peterborough October Weather Overview

October is one of the warmer months of the year in Peterborough, with average highs near 14°C and lows around 4.1°C (mean 9.1°C). It is about average for rainfall, averaging 58 mm of rainfall and 76% relative humidity across the period.

Peterborough October Temperature History (1981–2025)

Range

October is one of the warmer months of the year in Peterborough. Across 45 years of records, the warmest October in Peterborough was 2021 — when the month averaged 13.1°C — while the coldest was 1981 at 5.6°C. Typical October days reach 14°C with nights near 4.1°C. The long-term trend is warming, about 0.8°C per decade.

1981–1985 vs 2021–2025

Avg Temp8.4°C→11.4°C+3°C
Max Temp13.5°C→16.7°C+3.2°C
Min Temp3.3°C→6.2°C+2.9°C

Trend (per decade)

Avg Temp+0.8°C/decade ↗
Max Temp+0.7°C/decade ↗
Min Temp+0.8°C/decade ↗

Distribution of Avg Temp

5.0°C–7.3°C5 yr (11%)
7.3°C–9.5°C23 yr (51%)
9.5°C–11.8°C13 yr (29%)
11.8°C–14.0°C4 yr (9%)

Peterborough October Rainfall History (1981–2025)

Range

October is about average for rainfall in Peterborough, averaging 58 mm of rainfall. The wettest October on record was 2006 with 125 mm, while the driest was 2023 at 22 mm.

Peterborough October Humidity History (1981–2025)

Range

Relative humidity in Peterborough during October averages 76%. The most humid October was 1981 at 82%, and the least humid was 2022 at 68%.

Peterborough October Solar History (1981–2025)

Range

October receives about 2.5 kWh/m²/day of solar energy in Peterborough. The sunniest October was 1998 at 3 kWh/m²/day, and the cloudiest were 2009, 2012 and 2018 at 2.1.

Peterborough October Wind History (1981–2025)

Range

Average wind speed in Peterborough during October is 0.5 m/s. The windiest Octobers were 1993, 1995 and 2017 at 0.6 m/s, while the calmest was 2000 at 0.4 m/s.

What October Feels Like in Peterborough

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

How October Ranks in Peterborough

🔥6th warmest month of the year
🌧️4th wettest month of the year
☀️8th sunniest month of the year

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

Explore Peterborough Weather by Month

Peterborough October Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp7.9°C8.3°C8.9°C9.9°C10.9°C+3°C
Avg High12.9°C13.4°C13.7°C14.7°C16.1°C+3.2°C
Avg Low2.9°C3.2°C4.1°C5.1°C5.8°C+2.9°C
Avg Rain62 mm65 mm67 mm52 mm35 mm-27 mm

Extreme October Records in Peterborough

🔥Warmest October31.1°C2023
🧊Coldest October-5.7°C1992
🌧️Wettest October125 mm2006
🏜️Driest October22 mm2023
🌬️Windiest October0.6 m/s1993

Key Insights for October

✅

October temperatures in Peterborough have risen by about 3°C between 1981–1985 and 2021–2025.

✅

October has ranged from a record low of -5.7°C (1992) to a record high of 31.1°C (2023).

✅

Rainfall in October is about average for rainfall, averaging 58 mm, with a wettest year of 125 mm.

Is October a Good Time to Visit Peterborough?

A good time to visit Peterborough

October is a good time to visit Peterborough, with days averaging 14°C and nights around 4.1°C (mean 9.1°C, warmer than Peterborough's yearly average) and moderate rainfall. July and August are marginally more temperate, but October still suits most travellers.

See Peterborough'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 →

Peterborough Weather in October — In Depth

☀️ October climate overview

October is one of the warmer months of the year in Peterborough, with average highs near 14°C and lows around 4.1°C (mean 9.1°C). It is about average for rainfall, averaging 58 mm of rainfall and 76% relative humidity across the period.

🌧️ Rain, humidity & wind in October

October averages 58 mm of rainfall in Peterborough, about average for rainfall compared with the rest of the year. The wettest October on record saw 125 mm (2006), and the driest just 22 mm (2023). Humidity sits around 76% and average wind speed is 0.5 m/s, with solar radiation averaging 2.5 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 3°C. Daytime highs moved from 13.5°C to 16.7°C and overnight lows from 3.3°C to 6.2°C over the same span.
October Weather in Peterborough, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202516.6°C11.0°C5.4°C29.0°C-2.3°C43 mm69%0.5 m/s2.9
202416.6°C10.9°C5.3°C24.6°C-0.6°C29 mm71%0.5 m/s2.9
202316.6°C12.0°C7.5°C31.1°C-3.1°C22 mm72%0.5 m/s2.4
202215.9°C10.1°C4.3°C24.9°C-0.8°C27 mm68%0.5 m/s2.8
2021 🔥17.8°C13.1°C8.4°C25.7°C1.4°C55 mm79%0.5 m/s2.3
202012.8°C8.3°C3.8°C22.6°C-5.1°C37 mm75%0.5 m/s2.3
201915.0°C9.8°C4.6°C28.3°C-0.8°C74 mm76%0.5 m/s2.6
201812.4°C7.8°C3.2°C27.4°C-3.9°C41 mm75%0.5 m/s2.1
201717.6°C12.5°C7.4°C25.4°C0.8°C64 mm75%0.6 m/s2.5
201615.6°C10.4°C5.3°C25.7°C-3.7°C43 mm73%0.5 m/s2.6
201513.4°C8.6°C3.7°C21.9°C-4.2°C61 mm71%0.5 m/s2.7
201414.9°C10.3°C5.7°C25.0°C-0.6°C50 mm78%0.5 m/s2.2
201315.4°C10.5°C5.6°C24.3°C-5.5°C66 mm75%0.5 m/s2.6
201214.4°C10.0°C5.5°C23.1°C-1.1°C48 mm76%0.5 m/s2.1
201114.9°C10.2°C5.4°C27.0°C-3.4°C51 mm74%0.5 m/s2.4
201013.7°C9.1°C4.5°C22.7°C-2.6°C25 mm69%0.5 m/s2.8
200911.7°C7.4°C3.0°C17.6°C-3.3°C71 mm79%0.5 m/s2.1
200813.2°C8.0°C2.9°C23.2°C-4.7°C49 mm77%0.5 m/s2.7
200717.4°C12.2°C7.0°C27.7°C-1.1°C67 mm81%0.5 m/s2.3
2006 🌧️12.3°C7.7°C3.2°C24.4°C-3.3°C125 mm82%0.5 m/s2.3
200515.2°C10.4°C5.6°C28.2°C-2.0°C41 mm78%0.5 m/s2.4
200414.3°C9.4°C4.5°C24.6°C-1.5°C56 mm77%0.5 m/s2.4
200312.4°C7.9°C3.3°C26.1°C-2.8°C75 mm81%0.5 m/s2.5
200212.4°C7.6°C2.9°C28.0°C-4.8°C56 mm75%0.5 m/s2.4
200113.2°C8.8°C4.4°C24.0°C-3.6°C106 mm80%0.5 m/s2.2
200014.6°C9.4°C4.1°C22.6°C-3.4°C29 mm77%0.4 m/s2.5
199912.7°C7.7°C2.7°C20.9°C-4.9°C77 mm77%0.5 m/s2.7
199814.9°C9.7°C4.5°C19.4°C-1.8°C47 mm74%0.5 m/s3
199713.5°C8.1°C2.8°C24.4°C-4.2°C36 mm75%0.5 m/s2.9
199613.6°C8.5°C3.4°C23.3°C-4.8°C37 mm75%0.5 m/s2.4
199514.2°C9.6°C5.1°C23.4°C-2.5°C117 mm80%0.6 m/s2.3
199414.9°C9.4°C3.8°C22.7°C-2.4°C26 mm71%0.5 m/s2.8
199311.8°C6.7°C1.6°C22.3°C-4.4°C88 mm78%0.6 m/s2.3
199211.1°C5.9°C0.8°C20.6°C-5.7°C55 mm81%0.5 m/s2.3
199114.6°C9.4°C4.2°C24.5°C-2.3°C66 mm75%0.5 m/s2.4
199012.9°C8.0°C3.0°C23.7°C-4.7°C105 mm80%0.5 m/s2.6
198914.0°C8.8°C3.6°C22.1°C-1.7°C85 mm79%0.5 m/s2.5
198810.1°C6.2°C2.4°C24.7°C-5.4°C93 mm79%0.5 m/s2.4
198711.7°C6.7°C1.7°C18.7°C-3.7°C46 mm74%0.5 m/s2.6
198612.7°C7.5°C2.2°C19.4°C-5.2°C45 mm81%0.5 m/s2.8
198513.8°C8.7°C3.6°C18.7°C-5.2°C52 mm75%0.5 m/s2.5
198415.9°C10.4°C5.0°C23.2°C-3.3°C40 mm75%0.5 m/s2.7
198312.9°C8.0°C3.1°C25.5°C-4.3°C104 mm78%0.5 m/s—
198214.8°C9.3°C3.9°C23.3°C-3.5°C31 mm77%0.5 m/s—
1981 ❄️10.2°C5.6°C0.9°C16.9°C-4.1°C62 mm82%0.5 m/s—

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

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Peterborough October Weather — FAQ

What is the average temperature in Peterborough in October?▼

The average high in October is around 14°C with lows near 4.1°C (mean 9.1°C), based on 45 years of NASA POWER data.

Does it rain a lot in Peterborough in October?▼

October averages 58 mm of rainfall in Peterborough, about average for rainfall. The wettest on record was 125 mm in 2006.

What was the hottest October on record in Peterborough?▼

The hottest October reached 31.1°C in 2023. The coldest dipped to -5.7°C in 1992.

Has October in Peterborough 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 3°C. Daytime highs moved from 13.5°C to 16.7°C and overnight lows from 3.3°C to 6.2°C over the same span.

Is October a good time to visit Peterborough?▼

October is one of the warmer months of the year in Peterborough and about average for rainfall, so plan for around 14°C daytime highs and 4.1°C at night.

Is October the coldest month in Peterborough?▼

Not quite — October is the 7th coolest month in Peterborough, averaging 9.1°C.

What should I pack for Peterborough in October?▼

For October in Peterborough, pack warm layers and a jacket for chilly mornings, with typical highs of 14°C and lows of 4.1°C. Bring an umbrella or light rain jacket too.

Is Peterborough humid in October?▼

Relative humidity in October averages 76% — quite humid.

How windy is Peterborough in October?▼

Average wind speed in October is 0.5 m/s. The windiest October on record averaged 0.6 m/s (1993).

Which October had the most rainfall in Peterborough?▼

The wettest October on record was 2006 with 125 mm. On average, October sees 58 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 Ontario cities

Explore how the weather in Peterborough 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.