Saint-Jean-sur-Richelieu in October

5.9out of 10

Possible, with caveats

Cool: highs only around 13°C. Frequent rain: about 12 rainy days.

13°CAvg high
5°CAvg low
12Rainy days (114 mm)
10:41 hDaylight
07:17Sunrise · 17:59 Sunset

Why this score

  • Cool: highs only around 13°C
  • Frequent rain: about 12 rainy days

What to wear and pack

  • A warm jacket
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in October is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-4° -13° J -2° -11° F 3° -5° M 12° 2° A 20° 9° M 24° 14° J 26° 17° J 25° 16° A 21° 11° S 13° 5° O 6° -1° N 0° -8° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -4°C-13°C72 mm 11– – 3.6
February -2°C-11°C60 mm 9– – 3.8
March 3°C-5°C75 mm 11– – 4.1
April 12°C2°C99 mm 12– – 5.8
May 20°C9°C104 mm 12– – 6.9
June 24°C14°C117 mm 13– – 7.2
July 26°C17°C107 mm 13– – 7.2
August 25°C16°C108 mm 13– – 7.3
September 21°C11°C96 mm 10– – 7.5
October 13°C5°C114 mm 12– – 5.9
November 6°C-1°C85 mm 12– – 4.7
December 0°C-8°C84 mm 13– – 3.4

Frequently asked questions

How hot is Saint-Jean-sur-Richelieu in October?

Daytime highs average 13°C and nights about 5°C.

When is the best time to visit Saint-Jean-sur-Richelieu?

The best months are September, August, June, July.