Sun, sea & sand

Trois-Rivières weather in August

Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

72

Holiday weather in August

Good

Best time to visit: July – August

What is the weather like in Trois-Rivières in August?

In August, Trois-Rivières is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 113 mm in total. All in all, August is a good month for a holiday in Trois-Rivières.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score827232
Day25°24°20°
Night17°16°12°
Sun8 h7 h6 h
Rain days141211

More details for August

Daylight
14 h 14 min05:48 – 20:02
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
6 daysdew point 18 °C or moreAll months
Wind
15 km/haverage daily peakAll months
Cloud cover
56 %on averageAll months
Hot days
1 day30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−4America/Toronto

How the score comes together

  • Temperatureweight 35 %83 %
  • Seaweight 25 %83 %
  • Sunshineweight 20 %70 %
  • Few rainy daysweight 20 %42 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • Rain jacket or umbrella

Trois-Rivières in August: quick answers

Is Trois-Rivières hot in August?

Warm rather than hot: in August, daytime highs in Trois-Rivières average 24 °C and nights cool to about 16 °C. On about 1 days the thermometer climbs to 30 °C or more.

Does it rain much in Trois-Rivières in August?

Rain is frequent, with about 12 rainy days and 113 mm in total.

Trois-Rivières month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences