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Weather in Saint-Jean-sur-Richelieu for October 2026

Your guide to Saint-Jean-sur-Richelieu weather in October - trends and predictions

    Temperatures

  • Until now, October 2026 in Saint-Jean-sur-Richelieu is slightly cooler than the historical average by 1.4 °C.

  • The forecast for the coming days of October 2026 predicts a temperature of 13 °C , which is warmer than usual.

  • In general, the average temperature in Saint-Jean-sur-Richelieu at the beginning of October is 19.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.6 °C by the end of October.

    • Rain 🌧️

  • Saint-Jean-sur-Richelieu experiences moderate rainfall in October, with an average of 10 rainy days and a total precipitation of 151.2 mm.

    • More

  • Is October a good time to visit Saint-Jean-sur-Richelieu? check out the best time to travel to Saint-Jean-sur-Richelieu page.

  • ✨ Is October a good time to visit Saint-Jean-sur-Richelieu? – Ask the AI Weatherman

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/6°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Saint-Jean-sur-Richelieu Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
20°
2
Light rain
18°
3
Cloudy
21°
4
Mist
23°
5
Light rain
21°
6
Light rain
19°
7
Heavy rain
19°
8
Heavy rain
15°
9
Light rain shower
12°
10
Patchy rain possible
12°
11
Overcast
15°
12
Light rain
14°
13
Moderate rain
11°
14
Light rain
12°
15
Overcast
9°
16
Light rain
12°
17
Partly cloudy
11°
18
Patchy rain possible
14°
19
Overcast
17°
20
Moderate rain
16°
21
Light rain
16°
22
Moderate rain
14°
23
Overcast
13°
24
Patchy rain possible
12°
25
Light drizzle
12°
26
Patchy rain possible
10°
27
Light drizzle
10°
28
Overcast
10°
29
Patchy rain possible
18°
30
Patchy rain possible
16°
31
Sunny
8°

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

See the weather trend as well as the moving average line

October weather in Saint-Jean-sur-Richelieu day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Mist
Mist
 20° /9° 0.8 mm 4
2 Oct. Light rain
Light rain
 18° /8° 3.5 mm 4
3 Oct. Cloudy
Cloudy
 21° /7° 0 mm 4.2
4 Oct. Mist
Mist
 23° /10° 0 mm 4
5 Oct. Light rain
Light rain
 21° /12° 5.6 mm 4
6 Oct. Light rain
Light rain
 19° /10° 2.9 mm 4
7 Oct. Heavy rain
Heavy rain
 19° /10° 31.3 mm 3
8 Oct. Heavy rain
Heavy rain
 15° /6° 25.4 mm 3
9 Oct. Light rain shower
Light rain shower
 12° /4° 0.3 mm 3
10 Oct. Patchy rain possible
Patchy rain possible
 12° /4° 1.2 mm 3
11 Oct. Overcast
Overcast
 15° /6° 0.3 mm 3
12 Oct. Light rain
Light rain
 14° /5° 3.6 mm 3
13 Oct. Moderate rain
Moderate rain
 11° /5° 10.8 mm 2
14 Oct. Light rain
Light rain
 12° /5° 5.6 mm 2
15 Oct. Overcast
Overcast
 9° /3° 0.1 mm 2
16 Oct. Light rain
Light rain
 12° /4° 4.5 mm 2
17 Oct. Partly cloudy
Partly cloudy
 11° /2° 0 mm 3
18 Oct. Patchy rain possible
Patchy rain possible
 14° /2° 0.1 mm 3.1
19 Oct. Overcast
Overcast
 17° /6° 0 mm 3
20 Oct. Moderate rain
Moderate rain
 16° /8° 10 mm 2.9
21 Oct. Light rain
Light rain
 16° /7° 3.6 mm 2.9
22 Oct. Moderate rain
Moderate rain
 14° /6° 8.8 mm 2.8
23 Oct. Overcast
Overcast
 13° /6° 0.8 mm 2.7
24 Oct. Patchy rain possible
Patchy rain possible
 12° /2° 1 mm 2
25 Oct. Light drizzle
Light drizzle
 12° /4° 1 mm 2
26 Oct. Patchy rain possible
Patchy rain possible
 10° /6° 1 mm 2
27 Oct. Light drizzle
Light drizzle
 10° /4° 0.4 mm 2.5
28 Oct. Overcast
Overcast
 10° /-1° 0 mm 1.6
29 Oct. Patchy rain possible
Patchy rain possible
 18° /7° 2.3 mm 2.3
30 Oct. Patchy rain possible
Patchy rain possible
 16° /6° 0.3 mm 0.8
31 Oct. Sunny
Sunny
 8° /1° 0 mm 2.1
Next
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.
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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 14° and lows near 6°, suitable for diverse activities and preferences.

How much rainfall should be expected in Saint-Jean-sur-Richelieu during October?
Significant rainfall exceeding 151.2 mm is expected in Saint-Jean-sur-Richelieu during October, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Saint-Jean-sur-Richelieu in October 2026?
Saint-Jean-sur-Richelieu typically sees 2.5 cm of snowfall during October.

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 21 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 💧
Typically, Saint-Jean-sur-Richelieu has 10 rainy days in October with a total of 151.2 mm of rainfall.

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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