Climate averages 1991–2020
Sherbrooke weather
in August.
A warm, wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Sherbrooke: daytime highs average 23.1°C and nights cool to about 14.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 123 mm of rain on roughly 14 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 06 min on an average August day.
The nearest other city in this atlas is Saint-Jean-sur-Richelieu (107 km away). In August its highs average 24.4°C, 1.3°C warmer than Sherbrooke, with 108 mm of rain.
Among the 86 cities listed in Canada, Sherbrooke ranks 61st of 86 for the warmest August highs and 86th of 86 for the driest August (rainfall, lowest first). The mean August high of those 86 cities is 23.8°C; Sherbrooke is 0.7°C cooler than that mean.
From August to September, average highs fall by 3.8°C to 19.3°C, and monthly rainfall falls from 123 mm to 106 mm.
The annual picture
August in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sherbrooke climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -4.7°C-14.5°C | -14.5°C | 76 | 12.2 | 9.29 h |
| February | -3.1°C-13.2°C | -13.2°C | 64 | 10.5 | 10.410 h |
| March | 2.2°C-7.6°C | -7.6°C | 79 | 12.2 | 11.912 h |
| April | 9.7°C-0.1°C | -0.1°C | 99 | 12.5 | 13.513 h |
| May | 17.3°C7.0°C | 7.0°C | 117 | 14.1 | 14.915 h |
| June | 21.8°C12.5°C | 12.5°C | 131 | 14.1 | 15.616 h |
| July | 24.0°C15.5°C | 15.5°C | 126 | 15.2 | 15.315 h |
| August, selected | 23.1°C14.8°C | 14.8°C | 123 | 13.7 | 14.114 h |
| September | 19.3°C10.8°C | 10.8°C | 106 | 11.5 | 12.613 h |
| October | 12.1°C4.6°C | 4.6°C | 119 | 13.2 | 11.011 h |
| November | 5.1°C-1.7°C | -1.7°C | 91 | 13.3 | 9.610 h |
| December | -1.3°C-9.4°C | -9.4°C | 92 | 13.7 | 8.89 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
August in nearby cities
- Saint-Jean-sur-Richelieu in AugustCanada · 107 kmHigh 24.4°C · Low 16.3°C · 108 mm rain
- Trois-Rivières in AugustCanada · 116 kmHigh 23.9°C · Low 16.0°C · 109 mm rain
- Longueuil in AugustCanada · 123 kmHigh 24.6°C · Low 16.5°C · 102 mm rain
- Repentigny in AugustCanada · 127 kmHigh 24.5°C · Low 16.3°C · 95 mm rain
- Mercier–Hochelaga-Maisonneuve in AugustCanada · 130 kmHigh 24.6°C · Low 16.5°C · 102 mm rain
- Montréal in AugustCanada · 132 kmHigh 23.5°C · Low 15.4°C · 102 mm rain
- Villeray–Saint-Michel–Parc-Extension in AugustCanada · 134 kmHigh 24.5°C · Low 16.0°C · 102 mm rain
- Terrebonne in AugustCanada · 140 kmHigh 24.5°C · Low 16.4°C · 96 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sherbrooke) is explained once on the Sherbrooke year overview and on the Sources, method and limits page.