July is one of the warmer months of the year in Thetford Mines, with average highs near 22.9°C and lows around 13.4°C (mean 18.2°C). It is a relatively wet time of year, averaging 121 mm of rainfall and 84% relative humidity across the period.
July is one of the warmer months of the year in Thetford Mines. Across 45 years of records, the warmest July in Thetford Mines was 2023 — when the month averaged 20.3°C — while the coldest was 1992 at 14.9°C. Typical July days reach 22.9°C with nights near 13.4°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Thetford Mines, averaging 121 mm of rainfall. The wettest July on record was 2023 with 215 mm, while the driest was 1991 at 69 mm.
Relative humidity in Thetford Mines during July averages 84%. The most humid July was 2009 at 86%, and the least humid was 1982 at 82%.
July receives about 5.5 kWh/m²/day of solar energy in Thetford Mines. The sunniest Julys were 2018 and 2019 at 6.3 kWh/m²/day, and the cloudiest was 2009 at 4.4.
Average wind speed in Thetford Mines during July is 0.1 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.5°C | 17.8°C | 17.8°C | 18.7°C | 19.3°C | +1.8°C |
| Avg High | 22.3°C | 22.4°C | 22.5°C | 23.4°C | 23.9°C | +1.6°C |
| Avg Low | 12.6°C | 13.2°C | 13.2°C | 14.0°C | 14.6°C | +2°C |
| Avg Rain | 114 mm | 130 mm | 127 mm | 105 mm | 131 mm | +17 mm |
July temperatures in Thetford Mines have risen by about 1.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 3.8°C (1982) to a record high of 30.9°C (2023).
Rainfall in July is a relatively wet time of year, averaging 121 mm, with a wettest year of 215 mm.
One of the best times to visit Thetford Mines
July is one of the best times to visit Thetford Mines. Expect days averaging 22.9°C and nights around 13.4°C (mean 18.2°C) — warmer than Thetford Mines's yearly average — with higher rainfall (121 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 | 24.3°C | 19.5°C | 14.7°C | 28.3°C | 8.3°C | 114 mm | 82% | 0.1 m/s | 5.6 |
| 2024 | 24.8°C | 20.1°C | 15.4°C | 27.7°C | 10.4°C | 142 mm | 84% | 0.1 m/s | 5.6 |
| 2023 🔥 🌧️ | 24.5°C | 20.3°C | 16.0°C | 30.9°C | 10.5°C | 215 mm | 86% | 0.1 m/s | 5 |
| 2022 | 23.5°C | 18.5°C | 13.4°C | 28.7°C | 7.8°C | 107 mm | 82% | 0.1 m/s | 6 |
| 2021 | 21.8°C | 17.2°C | 12.5°C | 29.3°C | 8.1°C | 84 mm | 82% | 0.1 m/s | 5.4 |
| 2020 | 24.7°C | 20.2°C | 15.6°C | 29.8°C | 11.0°C | 123 mm | 85% | 0.1 m/s | 5.6 |
| 2019 | 24.5°C | 19.5°C | 14.4°C | 28.3°C | 9.1°C | 80 mm | 83% | 0.1 m/s | 6.3 |
| 2018 | 24.8°C | 19.8°C | 14.9°C | 30.1°C | 9.1°C | 131 mm | 82% | 0.1 m/s | 6.3 |
| 2017 | 22.4°C | 17.8°C | 13.2°C | 26.4°C | 7.8°C | 90 mm | 83% | 0.1 m/s | 5.6 |
| 2016 | 22.8°C | 18.2°C | 13.6°C | 27.9°C | 8.1°C | 117 mm | 84% | 0.1 m/s | 5.4 |
| 2015 | 22.3°C | 17.8°C | 13.3°C | 27.0°C | 6.4°C | 115 mm | 84% | 0.1 m/s | 5.3 |
| 2014 | 22.3°C | 17.9°C | 13.6°C | 28.6°C | 9.1°C | 122 mm | 84% | 0.1 m/s | 5.1 |
| 2013 | 23.6°C | 18.8°C | 14.1°C | 28.2°C | 6.5°C | 98 mm | 83% | 0.1 m/s | 6 |
| 2012 | 23.5°C | 18.4°C | 13.4°C | 28.0°C | 8.6°C | 83 mm | 82% | 0.1 m/s | 6.2 |
| 2011 | 23.8°C | 19.0°C | 14.2°C | 28.1°C | 10.2°C | 111 mm | 83% | 0.1 m/s | 6 |
| 2010 | 24.3°C | 19.8°C | 15.3°C | 30.1°C | 8.7°C | 105 mm | 83% | 0.1 m/s | 5.8 |
| 2009 | 21.2°C | 16.9°C | 12.5°C | 26.1°C | 7.5°C | 164 mm | 86% | 0.1 m/s | 4.4 |
| 2008 | 23.2°C | 18.5°C | 13.9°C | 28.0°C | 8.9°C | 152 mm | 85% | 0.1 m/s | 5.2 |
| 2007 | 22.1°C | 17.3°C | 12.6°C | 27.0°C | 5.8°C | 127 mm | 83% | 0.1 m/s | 5.7 |
| 2006 | 24.1°C | 19.5°C | 14.9°C | 28.2°C | 10.5°C | 103 mm | 85% | 0.1 m/s | 5.7 |
| 2005 | 23.7°C | 18.5°C | 13.4°C | 28.9°C | 9.0°C | 140 mm | 82% | 0.1 m/s | 6.2 |
| 2004 | 23.0°C | 18.2°C | 13.5°C | 27.7°C | 9.7°C | 162 mm | 84% | 0.1 m/s | 5.1 |
| 2003 | 22.4°C | 18.1°C | 13.8°C | 26.2°C | 8.8°C | 118 mm | 84% | 0.1 m/s | 4.8 |
| 2002 | 22.8°C | 17.9°C | 13.1°C | 29.9°C | 8.2°C | 120 mm | 83% | 0.1 m/s | 5.7 |
| 2001 | 21.3°C | 16.6°C | 11.9°C | 28.0°C | 6.4°C | 115 mm | 83% | 0.1 m/s | 5.4 |
| 2000 | 21.4°C | 16.6°C | 11.9°C | 26.8°C | 6.9°C | 71 mm | 83% | 0.1 m/s | 5.5 |
| 1999 | 23.5°C | 18.8°C | 14.1°C | 28.3°C | 9.3°C | 127 mm | 84% | 0.1 m/s | 5.6 |
| 1998 | 22.7°C | 18.1°C | 13.6°C | 28.2°C | 9.5°C | 130 mm | 83% | 0.1 m/s | 5.6 |
| 1997 | 22.2°C | 17.4°C | 12.7°C | 28.0°C | 8.2°C | 100 mm | 83% | 0.1 m/s | 5.8 |
| 1996 | 21.7°C | 17.5°C | 13.3°C | 24.6°C | 8.5°C | 190 mm | 86% | 0.1 m/s | 5 |
| 1995 | 23.5°C | 18.8°C | 14.1°C | 28.1°C | 9.3°C | 180 mm | 84% | 0.1 m/s | 5.6 |
| 1994 | 23.6°C | 19.1°C | 14.6°C | 27.8°C | 9.1°C | 154 mm | 85% | 0.1 m/s | 5.4 |
| 1993 | 22.8°C | 18.1°C | 13.3°C | 29.3°C | 9.6°C | 92 mm | 84% | 0.1 m/s | 5.5 |
| 1992 ❄️ | 19.8°C | 14.9°C | 10.1°C | 24.1°C | 4.7°C | 142 mm | 84% | 0.1 m/s | 5.8 |
| 1991 | 22.1°C | 17.4°C | 12.6°C | 28.6°C | 6.1°C | 69 mm | 82% | 0.1 m/s | 5.5 |
| 1990 | 22.6°C | 17.9°C | 13.1°C | 27.3°C | 6.4°C | 118 mm | 83% | 0.1 m/s | 5.6 |
| 1989 | 22.7°C | 17.5°C | 12.2°C | 27.3°C | 7.9°C | 82 mm | 82% | 0.1 m/s | 6.2 |
| 1988 | 23.5°C | 18.7°C | 13.8°C | 29.3°C | 7.5°C | 106 mm | 85% | 0.1 m/s | 5.2 |
| 1987 | 22.8°C | 18.1°C | 13.5°C | 28.4°C | 6.8°C | 105 mm | 84% | 0.1 m/s | 5.2 |
| 1986 | 20.8°C | 16.1°C | 11.4°C | 27.1°C | 5.7°C | 128 mm | 85% | 0.1 m/s | 4.9 |
| 1985 | 22.0°C | 17.2°C | 12.4°C | 25.8°C | 7.1°C | 171 mm | 83% | 0.1 m/s | 5.5 |
| 1984 | 22.1°C | 17.5°C | 13.0°C | 27.1°C | 8.4°C | 152 mm | 84% | 0.1 m/s | 5.1 |
| 1983 | 22.4°C | 17.5°C | 12.6°C | 28.8°C | 6.3°C | 91 mm | 84% | 0.1 m/s | — |
| 1982 | 21.9°C | 16.8°C | 11.8°C | 26.7°C | 3.8°C | 74 mm | 82% | 0.1 m/s | — |
| 1981 | 22.5°C | 17.7°C | 13.0°C | 27.3°C | 7.7°C | 114 mm | 83% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 22.9°C with lows near 13.4°C (mean 18.2°C), based on 45 years of NASA POWER data.
July averages 121 mm of rainfall in Thetford Mines, a relatively wet time of year. The wettest on record was 215 mm in 2023.
The hottest July reached 30.9°C in 2023. The coldest dipped to 3.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.8°C. Daytime highs moved from 22.2°C to 23.8°C and overnight lows from 12.6°C to 14.4°C over the same span.
July is one of the warmer months of the year in Thetford Mines and a relatively wet time of year, so plan for around 22.9°C daytime highs and 13.4°C at night.
Not quite — July is the 12th coolest month in Thetford Mines, averaging 18.2°C.
For July in Thetford Mines, pack light layers you can adjust through the day, with typical highs of 22.9°C and lows of 13.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 84% — quite humid.
Average wind speed in July is 0.1 m/s. The windiest July on record averaged 0.1 m/s (1981).
The wettest July on record was 2023 with 215 mm. On average, July sees 121 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 Thetford Mines 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.
