July is one of the warmer months of the year in Trois-Rivières, with average highs near 24.2°C and lows around 14.4°C (mean 19.3°C). It is a relatively wet time of year, averaging 102 mm of rainfall and 81% relative humidity across the period.
July is one of the warmer months of the year in Trois-Rivières. Across 45 years of records, the warmest July in Trois-Rivières was 2024 — when the month averaged 21.7°C — while the coldest was 1992 at 16.2°C. Typical July days reach 24.2°C with nights near 14.4°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Trois-Rivières, averaging 102 mm of rainfall. The wettest July on record was 2008 with 196 mm, while the driest was 1989 at 45 mm.
Relative humidity in Trois-Rivières during July averages 81%. The most humid July was 2009 at 85%, and the least humid was 2025 at 74%.
July receives about 5.6 kWh/m²/day of solar energy in Trois-Rivières. The sunniest Julys were 2012, 2018 and 2019, among others at 6.3 kWh/m²/day, and the cloudiest was 2009 at 4.4.
Average wind speed in Trois-Rivières during July is 0.3 m/s. The windiest Julys were 2022, 2024 and 2025, among others at 0.3 m/s, while the calmest were 1987, 2004 and 2023 at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.7°C | 19.0°C | 18.9°C | 19.8°C | 20.7°C | +2°C |
| Avg High | 23.6°C | 23.9°C | 23.7°C | 24.7°C | 25.8°C | +2.2°C |
| Avg Low | 13.8°C | 14.1°C | 14.2°C | 14.9°C | 15.6°C | +1.8°C |
| Avg Rain | 94 mm | 113 mm | 122 mm | 87 mm | 90 mm | -3 mm |
July temperatures in Trois-Rivières have risen by about 1.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 5.3°C (1982) to a record high of 32.7°C (2002).
Rainfall in July is a relatively wet time of year, averaging 102 mm, with a wettest year of 196 mm.
One of the best times to visit Trois-Rivières
July is one of the best times to visit Trois-Rivières. Expect days averaging 24.2°C and nights around 14.4°C (mean 19.3°C) — warmer than Trois-Rivières's yearly average — with higher rainfall (102 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 26.6°C | 21.1°C | 15.6°C | 31.6°C | 9.7°C | 74 mm | 74% | 0.3 m/s | 5.6 |
| 2024 🔥 | 27.1°C | 21.7°C | 16.2°C | 30.7°C | 10.1°C | 78 mm | 76% | 0.3 m/s | 5.5 |
| 2023 | 25.7°C | 21.3°C | 16.8°C | 31.1°C | 9.6°C | 139 mm | 82% | 0.2 m/s | 5 |
| 2022 | 25.3°C | 19.8°C | 14.3°C | 28.9°C | 8.3°C | 79 mm | 77% | 0.3 m/s | 5.9 |
| 2021 | 23.5°C | 18.7°C | 13.9°C | 27.7°C | 9.3°C | 69 mm | 78% | 0.3 m/s | 5.5 |
| 2020 | 26.3°C | 21.5°C | 16.7°C | 30.4°C | 12.0°C | 102 mm | 83% | 0.3 m/s | 5.6 |
| 2019 | 25.6°C | 20.5°C | 15.4°C | 29.1°C | 10.7°C | 76 mm | 82% | 0.3 m/s | 6.3 |
| 2018 | 25.8°C | 20.9°C | 16.0°C | 30.9°C | 9.5°C | 95 mm | 82% | 0.3 m/s | 6.3 |
| 2017 | 23.4°C | 18.7°C | 14.1°C | 29.3°C | 8.8°C | 82 mm | 83% | 0.3 m/s | 5.7 |
| 2016 | 24.0°C | 19.1°C | 14.3°C | 27.9°C | 9.9°C | 114 mm | 83% | 0.3 m/s | 5.4 |
| 2015 | 23.8°C | 19.1°C | 14.3°C | 28.3°C | 7.9°C | 98 mm | 83% | 0.3 m/s | 5.5 |
| 2014 | 23.3°C | 18.8°C | 14.3°C | 28.9°C | 10.6°C | 94 mm | 82% | 0.3 m/s | 5.2 |
| 2013 | 24.8°C | 19.6°C | 14.5°C | 31.9°C | 7.2°C | 72 mm | 80% | 0.3 m/s | 6 |
| 2012 | 24.7°C | 19.5°C | 14.3°C | 29.6°C | 9.7°C | 60 mm | 80% | 0.3 m/s | 6.3 |
| 2011 | 25.6°C | 20.5°C | 15.4°C | 29.2°C | 12.2°C | 101 mm | 81% | 0.3 m/s | 6.2 |
| 2010 | 25.7°C | 20.9°C | 16.1°C | 31.3°C | 7.8°C | 78 mm | 81% | 0.3 m/s | 5.7 |
| 2009 | 22.1°C | 17.9°C | 13.7°C | 27.8°C | 7.5°C | 158 mm | 85% | 0.3 m/s | 4.4 |
| 2008 🌧️ | 23.7°C | 19.3°C | 15.0°C | 28.1°C | 10.1°C | 196 mm | 85% | 0.3 m/s | 5.1 |
| 2007 | 23.4°C | 18.4°C | 13.4°C | 28.9°C | 7.0°C | 133 mm | 82% | 0.3 m/s | 5.8 |
| 2006 | 25.6°C | 20.7°C | 15.8°C | 32.2°C | 10.7°C | 109 mm | 83% | 0.3 m/s | 5.7 |
| 2005 | 24.7°C | 19.5°C | 14.3°C | 30.9°C | 9.3°C | 108 mm | 81% | 0.3 m/s | 6.1 |
| 2004 | 24.1°C | 19.4°C | 14.6°C | 29.7°C | 8.4°C | 136 mm | 83% | 0.2 m/s | 5.1 |
| 2003 | 23.6°C | 19.1°C | 14.6°C | 28.2°C | 10.0°C | 101 mm | 83% | 0.3 m/s | 5 |
| 2002 | 24.4°C | 19.4°C | 14.4°C | 32.7°C | 9.4°C | 106 mm | 80% | 0.3 m/s | 6 |
| 2001 | 22.4°C | 17.6°C | 12.8°C | 28.9°C | 8.0°C | 103 mm | 81% | 0.3 m/s | 5.5 |
| 2000 | 22.8°C | 18.0°C | 13.2°C | 28.5°C | 7.5°C | 74 mm | 81% | 0.3 m/s | 5.6 |
| 1999 | 25.1°C | 20.1°C | 15.1°C | 29.7°C | 10.2°C | 88 mm | 80% | 0.3 m/s | 5.7 |
| 1998 | 24.0°C | 19.2°C | 14.4°C | 28.6°C | 10.8°C | 128 mm | 81% | 0.3 m/s | 5.7 |
| 1997 | 24.3°C | 19.1°C | 14.0°C | 29.9°C | 8.5°C | 86 mm | 79% | 0.3 m/s | 6 |
| 1996 | 22.9°C | 18.5°C | 14.1°C | 26.3°C | 10.9°C | 177 mm | 84% | 0.3 m/s | 4.9 |
| 1995 | 25.0°C | 20.1°C | 15.2°C | 32.4°C | 10.6°C | 118 mm | 81% | 0.3 m/s | 5.5 |
| 1994 | 24.5°C | 19.7°C | 14.9°C | 27.7°C | 9.4°C | 115 mm | 84% | 0.3 m/s | 5.4 |
| 1993 | 24.3°C | 19.4°C | 14.6°C | 29.6°C | 10.0°C | 78 mm | 83% | 0.3 m/s | 5.5 |
| 1992 ❄️ | 21.2°C | 16.2°C | 11.1°C | 24.5°C | 5.9°C | 153 mm | 82% | 0.3 m/s | 5.7 |
| 1991 | 23.6°C | 18.6°C | 13.6°C | 29.4°C | 7.6°C | 73 mm | 81% | 0.3 m/s | 6 |
| 1990 | 23.9°C | 19.0°C | 14.0°C | 29.8°C | 7.8°C | 114 mm | 81% | 0.3 m/s | 5.6 |
| 1989 | 24.1°C | 18.8°C | 13.5°C | 28.7°C | 9.2°C | 45 mm | 79% | 0.3 m/s | 6.3 |
| 1988 | 24.8°C | 19.8°C | 14.8°C | 30.8°C | 8.8°C | 80 mm | 82% | 0.3 m/s | 5.6 |
| 1987 | 24.2°C | 19.3°C | 14.4°C | 30.5°C | 6.3°C | 114 mm | 82% | 0.2 m/s | 5.5 |
| 1986 | 22.0°C | 17.4°C | 12.7°C | 30.2°C | 6.3°C | 113 mm | 82% | 0.3 m/s | 5.1 |
| 1985 | 22.8°C | 18.0°C | 13.3°C | 27.0°C | 8.0°C | 136 mm | 83% | 0.3 m/s | 5.7 |
| 1984 | 23.4°C | 18.9°C | 14.4°C | 28.6°C | 9.9°C | 117 mm | 83% | 0.3 m/s | 5.3 |
| 1983 | 23.9°C | 18.8°C | 13.7°C | 28.4°C | 7.3°C | 87 mm | 82% | 0.3 m/s | — |
| 1982 | 23.4°C | 18.2°C | 13.0°C | 28.7°C | 5.3°C | 73 mm | 80% | 0.3 m/s | — |
| 1981 | 24.2°C | 19.2°C | 14.2°C | 30.5°C | 8.9°C | 78 mm | 82% | 0.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 24.2°C with lows near 14.4°C (mean 19.3°C), based on 45 years of NASA POWER data.
July averages 102 mm of rainfall in Trois-Rivières, a relatively wet time of year. The wettest on record was 196 mm in 2008.
The hottest July reached 32.7°C in 2002. The coldest dipped to 5.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.9°C. Daytime highs moved from 23.5°C to 25.6°C and overnight lows from 13.7°C to 15.4°C over the same span.
July is one of the warmer months of the year in Trois-Rivières and a relatively wet time of year, so plan for around 24.2°C daytime highs and 14.4°C at night.
Not quite — July is the 12th coolest month in Trois-Rivières, averaging 19.3°C.
For July in Trois-Rivières, pack light layers you can adjust through the day, with typical highs of 24.2°C and lows of 14.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 81% — quite humid.
Average wind speed in July is 0.3 m/s. The windiest July on record averaged 0.3 m/s (1981).
The wettest July on record was 2008 with 196 mm. On average, July sees 102 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Trois-Rivières behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.
