Climate averages 1991–2020

Saint-Jean-sur-Richelieu weather
in June.

A warm, wet month: the 3rd warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 23.1°C Daytime mean, June
Average low 14.0°C Night-time mean, June
Rainfall 117 mm 13 days with ≥1 mm
Daylight 16 h Sunrise to sunset, per day
Every month in Saint-Jean-sur-Richelieu · average highYear overview

June is a warm month in Saint-Jean-sur-Richelieu: daytime highs average 23.1°C and nights cool to about 14.0°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 117 mm of rain on roughly 13 days, which makes June a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 35 min on an average June day.

The nearest other city in this atlas is Longueuil (28 km away). In June its highs average 23.4°C, about as warm as Saint-Jean-sur-Richelieu, with 108 mm of rain.

Among the 86 cities listed in Canada, Saint-Jean-sur-Richelieu ranks joint 26th of 86 for the warmest June highs and 83rd of 86 for the driest June (rainfall, lowest first). The mean June high of those 86 cities is 21.4°C; Saint-Jean-sur-Richelieu is 1.6°C warmer than that mean.

From June to July, average highs rise by 2.3°C to 25.4°C, and monthly rainfall falls from 117 mm to 106 mm.

The annual picture

June in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -20-15-10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Saint-Jean-sur-Richelieu climate table

1991–2020
Monthly climate averages for Saint-Jean-sur-Richelieu, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -4.8°C-13.7°C-13.7°C7111.29.29 h
February -3.2°C-12.7°C-12.7°C609.310.410 h
March 2.6°C-6.8°C-6.8°C7511.411.912 h
April 10.7°C0.7°C0.7°C9911.713.513 h
May 18.4°C8.1°C8.1°C10412.014.915 h
June, selected 23.1°C14.0°C14.0°C11712.715.616 h
July 25.4°C17.0°C17.0°C10613.315.315 h
August 24.4°C16.3°C16.3°C10812.314.114 h
September 20.3°C12.1°C12.1°C9810.712.613 h
October 12.9°C5.8°C5.8°C11312.011.011 h
November 5.8°C-0.7°C-0.7°C8612.19.610 h
December -0.9°C-8.1°C-8.1°C8312.58.89 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

June in nearby cities

Distance from Saint-Jean-sur-Richelieu

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Saint-Jean-sur-Richelieu) is explained once on the Saint-Jean-sur-Richelieu year overview and on the Sources, method and limits page.