Climate averages 1991–2020
Trois-Rivières weather
in July.
A warm, wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Trois-Rivières: daytime highs average 25.0°C and nights cool to about 16.8°C. By daytime temperature it is the warmest month of the year.
Expect about 112 mm of rain on roughly 14 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 24 min on an average July day.
The nearest other city in this atlas is Repentigny (97 km away). In July its highs average 25.6°C, 0.6°C warmer than Trois-Rivières, with 94 mm of rain.
Among the 86 cities listed in Canada, Trois-Rivières ranks joint 45th of 86 for the warmest July highs and 83rd of 86 for the driest July (rainfall, lowest first). The mean July high of those 86 cities is 24.4°C; Trois-Rivières is 0.6°C warmer than that mean.
From July to August, average highs fall by 1.1°C to 23.9°C, and monthly rainfall falls from 112 mm to 109 mm.
The annual picture
July 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
Trois-Rivières climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -6.3°C-15.5°C | -15.5°C | 77 | 10.9 | 9.09 h |
| February | -4.3°C-13.6°C | -13.6°C | 61 | 8.8 | 10.310 h |
| March | 1.5°C-7.8°C | -7.8°C | 76 | 10.5 | 11.912 h |
| April | 9.5°C-0.2°C | -0.2°C | 98 | 11.4 | 13.514 h |
| May | 18.0°C8.0°C | 8.0°C | 96 | 12.4 | 15.015 h |
| June | 22.9°C13.9°C | 13.9°C | 109 | 12.3 | 15.716 h |
| July, selected | 25.0°C16.8°C | 16.8°C | 112 | 13.5 | 15.415 h |
| August | 23.9°C16.0°C | 16.0°C | 109 | 12.0 | 14.214 h |
| September | 19.6°C11.7°C | 11.7°C | 98 | 11.0 | 12.613 h |
| October | 12.1°C5.2°C | 5.2°C | 111 | 11.5 | 11.011 h |
| November | 4.7°C-1.8°C | -1.8°C | 89 | 11.4 | 9.59 h |
| December | -2.4°C-10.3°C | -10.3°C | 90 | 11.7 | 8.79 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
July in nearby cities
- Repentigny in JulyCanada · 97 kmHigh 25.6°C · Low 17.1°C · 94 mm rain
- Terrebonne in JulyCanada · 111 kmHigh 25.6°C · Low 17.2°C · 95 mm rain
- Québec in JulyCanada · 114 kmHigh 24.3°C · Low 15.6°C · 120 mm rain
- Mercier–Hochelaga-Maisonneuve in JulyCanada · 116 kmHigh 25.7°C · Low 17.3°C · 101 mm rain
- Sherbrooke in JulyCanada · 116 kmHigh 24.0°C · Low 15.5°C · 126 mm rain
- Longueuil in JulyCanada · 117 kmHigh 25.7°C · Low 17.3°C · 101 mm rain
- Saint-Louis-de-Terrebonne in JulyCanada · 119 kmHigh 25.3°C · Low 16.8°C · 95 mm rain
- Villeray–Saint-Michel–Parc-Extension in JulyCanada · 120 kmHigh 25.5°C · Low 16.8°C · 101 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 Trois-Rivières) is explained once on the Trois-Rivières year overview and on the Sources, method and limits page.