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Weather in Saint-Jean-sur-Richelieu for October 2025

Your guide to Saint-Jean-sur-Richelieu weather in October - trends and predictions
  • In general, the average temperature in Saint-Jean-sur-Richelieu at the beginning of October is 20.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12 °C by the end of October.

  • Expect significant rainfall in Saint-Jean-sur-Richelieu during October, with an average of 20 rainy days.

  • Snowfall in Saint-Jean-sur-Richelieu during October is quite rare, with fewer than 2 snowy days on average.

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Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
1
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Saint-Jean-sur-Richelieu in October average weather

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Temperatures trend during October in Saint-Jean-sur-Richelieu

See the weather trend as well as the moving average line

October weather day by day

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Date Weather Temperatures Rain Snow More
1 Oct. Mist
Mist
22° /9° 0 mm 0 cm
2 Oct. Overcast
Overcast
18° /9° 0 mm 0 cm
3 Oct. Sunny
Sunny
23° /9° 0 mm 0 cm
4 Oct. Mist
Mist
26° /11° 0 mm 0 cm
5 Oct. Cloudy
Cloudy
20° /13° 6.3 mm 0 cm
6 Oct. Patchy light drizzle
Patchy light drizzle
19° /9° 5.8 mm 0 cm
7 Oct. Light rain shower
Light rain shower
18° /11° 43.3 mm 0 cm
8 Oct. Light rain shower
Light rain shower
13° /4° 9.7 mm 0 cm
9 Oct. Light rain shower
Light rain shower
12° /4° 0.5 mm 0 cm
10 Oct. Light rain shower
Light rain shower
12° /6° 2.3 mm 0 cm
11 Oct. Patchy rain possible
Patchy rain possible
15° /6° 0.7 mm 0 cm
12 Oct. Patchy rain possible
Patchy rain possible
14° /4° 5.4 mm 0 cm
13 Oct. Light rain shower
Light rain shower
12° /2° 0.5 mm 0 cm
14 Oct. Patchy rain possible
Patchy rain possible
11° /4° 4.3 mm 0 cm
15 Oct. Patchy rain possible
Patchy rain possible
8° /2° 0.2 mm 0 cm
16 Oct. Patchy rain possible
Patchy rain possible
11° /4° 0.1 mm 0 cm
17 Oct. Overcast
Overcast
14° /3° 0 mm 0 cm
18 Oct. Patchy rain possible
Patchy rain possible
16° /4° 0.2 mm 0 cm
19 Oct. Overcast
Overcast
16° /4° 0 mm 0 cm
20 Oct. Patchy rain possible
Patchy rain possible
18° /7° 0.4 mm 0 cm
21 Oct. Light rain shower
Light rain shower
18° /9° 7.2 mm 0 cm
22 Oct. Moderate rain
Moderate rain
15° /6° 12.6 mm 0 cm
23 Oct. Patchy rain possible
Patchy rain possible
15° /8° 1.6 mm 0 cm
24 Oct. Mist
Mist
13° /4° 1.9 mm 0 cm
25 Oct. Light drizzle
Light drizzle
13° /4° 1.9 mm 0 cm
26 Oct. Patchy rain possible
Patchy rain possible
13° /8° 1.3 mm 0 cm
27 Oct. Light drizzle
Light drizzle
12° /7° 0.7 mm 0 cm
28 Oct. Light rain shower
Light rain shower
12° /1° 0.3 mm 0 cm
29 Oct. Patchy rain possible
Patchy rain possible
9° /0° 2.6 mm 0 cm
30 Oct. Moderate snow
Moderate snow
11° /4° 11 mm 3.8 cm
31 Oct. Mist
Mist
14° /5° 0.4 mm 0 cm
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Important Notice
Our weather forecast for Saint-Jean-sur-Richelieu in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint-Jean-sur-Richelieu forecast closer to your planned date for the most up-to-date weather information.

Saint-Jean-sur-Richelieu in October - FAQ

What are the expected maximum and minimum temperatures in Saint-Jean-sur-Richelieu during October?
During October, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint-Jean-sur-Richelieu during October?
Significant rainfall exceeding 116.2 mm is expected in Saint-Jean-sur-Richelieu during October, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Saint-Jean-sur-Richelieu during October?
Saint-Jean-sur-Richelieu experiences an average snowfall of 7.5 cm during October, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Saint-Jean-sur-Richelieu during October?
The average wind speed in Saint-Jean-sur-Richelieu during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Saint-Jean-sur-Richelieu

Explore the daily rainfall trends and prepare for Saint-Jean-sur-Richelieus October weather 💧

October snowfall in Saint-Jean-sur-Richelieu

Track daily snowfall levels and discover Saint-Jean-sur-Richelieu’s snowy potential this October ❄️

UV exposure in Saint-Jean-sur-Richelieu during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Saint-Jean-sur-Richelieu?

Get accurate weather forecasts for Saint-Jean-sur-Richelieu, located at latitude 45.307 and longitude -73.263. Stay updated with localized weather information tailored for Saint-Jean-sur-Richelieu.

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