L’Assomption Weather in October (1981–2025)

📍 45.83°N, 73.42°W •
📊

October at a Glance in L’Assomption

(1981–2025)
Avg High
🔥
13.0°C
Avg Low
❄️
3.3°C
Avg Temp
🌡️
8.2°C
Avg Rain
🌧️
91 mm
Avg Humidity
💧
81%
Avg Wind
🌬️
2.3 m/s
Avg Solar
☀️
2.4
kWh/m²/day
vs Annual
📈
+3.2°C
temp difference
❄️Cool afternoons❄️Cold mornings☁️Cloudier skies🌧️Wet month🍃Light winds💦Humid air

L’Assomption October Weather Overview

October is one of the warmer months of the year in L’Assomption, with average highs near 13°C and lows around 3.3°C (mean 8.2°C). It is about average for rainfall, averaging 91 mm of rainfall and 81% relative humidity across the period.

L’Assomption October Temperature History (1981–2025)

Range

October is one of the warmer months of the year in L’Assomption. Across 45 years of records, the warmest October in L’Assomption was 2017 — when the month averaged 12.3°C — while the coldest was 1981 at 4.8°C. Typical October days reach 13°C with nights near 3.3°C. The long-term trend is warming, about 0.7°C per decade.

1981–1985 vs 2021–2025

Avg Temp7.3°C→10.8°C+3.5°C
Max Temp12.3°C→16.1°C+3.8°C
Min Temp2.2°C→5.6°C+3.4°C

Trend (per decade)

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

Distribution of Avg Temp

4.0°C–6.3°C7 yr (16%)
6.3°C–8.5°C18 yr (40%)
8.5°C–10.8°C17 yr (38%)
10.8°C–13.0°C3 yr (7%)

L’Assomption October Rainfall History (1981–2025)

Range

October is about average for rainfall in L’Assomption, averaging 91 mm of rainfall. The wettest October on record was 2019 with 181 mm, while the driest was 1994 at 15 mm.

L’Assomption October Humidity History (1981–2025)

Range

Relative humidity in L’Assomption during October averages 81%. The most humid October was 2005 at 87%, and the least humid was 1997 at 74%.

L’Assomption October Solar History (1981–2025)

Range

October receives about 2.4 kWh/m²/day of solar energy in L’Assomption. The sunniest Octobers were 1984, 1997 and 2024 at 2.9 kWh/m²/day, and the cloudiest were 1988, 2006 and 2018 at 2.

L’Assomption October Wind History (1981–2025)

Range

Average wind speed in L’Assomption during October is 2.3 m/s. The windiest October was 1995 at 2.8 m/s, while the calmest was 1984 at 1.9 m/s.

What October Feels Like in L’Assomption

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

How October Ranks in L’Assomption

🔥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 L’Assomption Weather by Month

L’Assomption October Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp7.0°C7.6°C7.8°C8.8°C10.3°C+3.3°C
Avg High11.9°C12.7°C12.3°C13.5°C15.5°C+3.6°C
Avg Low2.0°C2.6°C3.2°C4.1°C5.1°C+3.1°C
Avg Rain82 mm79 mm109 mm105 mm73 mm-9 mm

Extreme October Records in L’Assomption

🔥Warmest October28.7°C2023
🧊Coldest October-5.4°C2009
🌧️Wettest October181 mm2019
🏜️Driest October15 mm1994
🌬️Windiest October2.8 m/s1995

Key Insights for October

✅

October temperatures in L’Assomption have risen by about 3.5°C between 1981–1985 and 2021–2025.

✅

October has ranged from a record low of -5.4°C (2009) to a record high of 28.7°C (2023).

✅

Rainfall in October is about average for rainfall, averaging 91 mm, with a wettest year of 181 mm.

Is October a Good Time to Visit L’Assomption?

A good time to visit L’Assomption

October is a good time to visit L’Assomption, with days averaging 13°C and nights around 3.3°C (mean 8.2°C, warmer than L’Assomption's yearly average) and higher rainfall. July and August are marginally more temperate, but October still suits most travellers.

See L’Assomption'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 →

L’Assomption Weather in October — In Depth

☀️ October climate overview

October is one of the warmer months of the year in L’Assomption, with average highs near 13°C and lows around 3.3°C (mean 8.2°C). It is about average for rainfall, averaging 91 mm of rainfall and 81% relative humidity across the period.

🌧️ Rain, humidity & wind in October

October averages 91 mm of rainfall in L’Assomption, about average for rainfall compared with the rest of the year. The wettest October on record saw 181 mm (2019), and the driest just 15 mm (1994). Humidity sits around 81% and average wind speed is 2.3 m/s, with solar radiation averaging 2.4 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 3.5°C. Daytime highs moved from 12.3°C to 16.1°C and overnight lows from 2.2°C to 5.6°C over the same span.
October Weather in L’Assomption, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202515.7°C10.3°C4.9°C28.7°C-0.1°C130 mm78%2 m/s2.8
202415.9°C10.1°C4.3°C24.1°C-5.0°C25 mm75%2.3 m/s2.9
202316.6°C11.9°C7.3°C28.7°C-4.8°C94 mm82%2.2 m/s2.1
202215.5°C9.6°C3.8°C22.2°C-2.4°C39 mm76%2 m/s2.8
202116.7°C12.1°C7.6°C23.8°C-0.3°C72 mm80%2 m/s2.2
202012.3°C7.6°C2.9°C22.4°C-4.4°C79 mm81%2.2 m/s2.3
2019 🌧️13.6°C8.9°C4.3°C17.4°C0.1°C181 mm85%2.1 m/s2.4
201810.6°C6.0°C1.5°C26.2°C-4.2°C80 mm80%2.5 m/s2
2017 🔥17.3°C12.3°C7.2°C23.6°C-0.4°C108 mm82%2.5 m/s2.6
201613.4°C8.7°C4.1°C23.3°C-3.1°C142 mm81%2.2 m/s2.3
201511.6°C6.5°C1.4°C21.7°C-4.7°C82 mm78%2.4 m/s2.6
201414.1°C9.9°C5.7°C23.2°C-1.0°C105 mm84%2.4 m/s2.2
201314.2°C9.2°C4.2°C22.7°C-4.5°C62 mm81%2.3 m/s2.5
201214.5°C9.9°C5.3°C20.3°C-1.0°C96 mm84%2.3 m/s2.1
201113.6°C9.1°C4.7°C23.6°C-3.8°C96 mm84%2.5 m/s2.4
201011.8°C7.1°C2.5°C18.3°C-3.4°C100 mm82%2.4 m/s2.3
200910.0°C5.8°C1.5°C15.8°C-5.4°C100 mm84%2.1 m/s2.2
200812.2°C7.5°C2.9°C21.0°C-3.6°C107 mm82%2.2 m/s2.5
200715.1°C10.2°C5.2°C24.0°C-4.3°C122 mm84%2.1 m/s2.6
200611.2°C7.0°C2.8°C19.2°C-3.4°C165 mm86%2.4 m/s2
200513.1°C9.1°C5.1°C24.8°C-2.8°C155 mm87%2.4 m/s2.2
200413.4°C8.5°C3.5°C21.6°C-1.5°C60 mm83%2.3 m/s2.6
200311.1°C6.8°C2.5°C23.3°C-4.1°C152 mm84%2.4 m/s2.3
200210.5°C5.9°C1.2°C25.4°C-4.0°C99 mm81%2.2 m/s2.5
200114.2°C9.4°C4.7°C22.5°C-3.2°C83 mm80%2.5 m/s2.4
200012.6°C7.7°C2.7°C21.0°C-3.3°C51 mm84%2.3 m/s2.3
199911.7°C6.5°C1.2°C18.4°C-4.6°C96 mm79%2.4 m/s2.5
199814.0°C8.9°C3.9°C21.0°C-2.1°C67 mm77%2.7 m/s2.5
199712.7°C7.4°C2.2°C23.7°C-4.8°C32 mm74%2.1 m/s2.9
199612.8°C7.5°C2.3°C21.5°C-3.3°C69 mm76%2.6 m/s2.4
199514.8°C10.1°C5.3°C24.9°C-4.6°C109 mm79%2.8 m/s2.4
199414.7°C9.2°C3.6°C22.7°C-1.5°C15 mm75%2 m/s2.7
199310.4°C5.6°C0.8°C19.4°C-4.2°C103 mm79%2.6 m/s2.3
199210.5°C5.5°C0.6°C18.4°C-4.5°C62 mm80%2.1 m/s2.2
199113.3°C8.0°C2.7°C22.6°C-4.8°C107 mm84%2.2 m/s2.3
199012.1°C7.6°C3.1°C22.8°C-4.7°C133 mm85%2.5 m/s2.3
198913.2°C8.1°C3.0°C21.7°C-3.2°C107 mm83%2.3 m/s2.5
198810.0°C5.6°C1.1°C23.5°C-5.0°C105 mm83%2.6 m/s2
198711.5°C6.3°C1.1°C19.3°C-3.9°C78 mm81%2.3 m/s2.5
198611.4°C6.3°C1.3°C18.3°C-4.8°C68 mm83%2.1 m/s2.4
198512.6°C7.6°C2.5°C18.9°C-4.1°C95 mm81%2.3 m/s2.4
198413.7°C8.6°C3.4°C21.3°C-4.3°C49 mm80%1.9 m/s2.9
198312.2°C7.3°C2.3°C23.7°C-4.3°C96 mm81%2.4 m/s—
198213.3°C8.1°C3.0°C19.7°C-4.1°C39 mm81%2.3 m/s—
1981 ❄️9.6°C4.8°C0.0°C15.4°C-4.4°C100 mm84%2 m/s—

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

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L’Assomption October Weather — FAQ

What is the average temperature in L’Assomption in October?▼

The average high in October is around 13°C with lows near 3.3°C (mean 8.2°C), based on 45 years of NASA POWER data.

Does it rain a lot in L’Assomption in October?▼

October averages 91 mm of rainfall in L’Assomption, about average for rainfall. The wettest on record was 181 mm in 2019.

What was the hottest October on record in L’Assomption?▼

The hottest October reached 28.7°C in 2023. The coldest dipped to -5.4°C in 2009.

Has October in L’Assomption 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 3.5°C. Daytime highs moved from 12.3°C to 16.1°C and overnight lows from 2.2°C to 5.6°C over the same span.

Is October a good time to visit L’Assomption?▼

October is one of the warmer months of the year in L’Assomption and about average for rainfall, so plan for around 13°C daytime highs and 3.3°C at night.

Is October the coldest month in L’Assomption?▼

Not quite — October is the 7th coolest month in L’Assomption, averaging 8.2°C.

What should I pack for L’Assomption in October?▼

For October in L’Assomption, pack warm layers and a jacket for chilly mornings, with typical highs of 13°C and lows of 3.3°C. Bring an umbrella or light rain jacket too.

Is L’Assomption humid in October?▼

Relative humidity in October averages 81% — quite humid.

How windy is L’Assomption in October?▼

Average wind speed in October is 2.3 m/s. The windiest October on record averaged 2.8 m/s (1995).

Which October had the most rainfall in L’Assomption?▼

The wettest October on record was 2019 with 181 mm. On average, October sees 91 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.

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Explore how the weather in L’Assomption 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.