July is one of the warmer months of the year in Simcoe, with average highs near 28.2°C and lows around 16.9°C (mean 22.5°C). It is a relatively wet time of year, averaging 75 mm of rainfall and 66% relative humidity across the period.
July is one of the warmer months of the year in Simcoe. Across 45 years of records, the warmest July in Simcoe was 2020 — when the month averaged 25.5°C — while the coldest was 1992 at 19.2°C. Typical July days reach 28.2°C with nights near 16.9°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Simcoe, averaging 75 mm of rainfall. The wettest July on record was 1992 with 140 mm, while the driest was 1995 at 27 mm.
Relative humidity in Simcoe during July averages 66%. The most humid July was 2004 at 77%, and the least humid was 1988 at 57%.
July receives about 6.2 kWh/m²/day of solar energy in Simcoe. The sunniest Julys were 2002 and 2011 at 6.7 kWh/m²/day, and the cloudiest was 1984 at 4.9.
Average wind speed in Simcoe during July is 2.7 m/s. The windiest Julys were 1996, 1999 and 2006, among others at 3.1 m/s, while the calmest was 2024 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.6°C | 22.0°C | 21.7°C | 23.0°C | 23.9°C | +1.3°C |
| Avg High | 28.4°C | 27.8°C | 27.1°C | 28.5°C | 29.7°C | +1.3°C |
| Avg Low | 16.8°C | 16.3°C | 16.2°C | 17.6°C | 18.2°C | +1.4°C |
| Avg Rain | 65 mm | 62 mm | 93 mm | 83 mm | 64 mm | -1 mm |
July temperatures in Simcoe have risen by about 1.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.4°C (2001) to a record high of 38.6°C (1988).
Rainfall in July is a relatively wet time of year, averaging 75 mm, with a wettest year of 140 mm.
One of the best times to visit Simcoe
July is one of the best times to visit Simcoe. Expect days averaging 28.2°C and nights around 16.9°C (mean 22.5°C) — warmer than Simcoe's yearly average — with moderate rainfall (75 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 | 31.2°C | 25.1°C | 19.1°C | 35.7°C | 13.5°C | 42 mm | 59% | 2.5 m/s | 6.4 |
| 2024 | 29.3°C | 23.7°C | 18.1°C | 33.5°C | 10.9°C | 71 mm | 63% | 2.2 m/s | 6.3 |
| 2023 | 28.5°C | 23.0°C | 17.5°C | 32.5°C | 13.5°C | 101 mm | 66% | 2.4 m/s | 5.9 |
| 2022 | 29.6°C | 23.6°C | 17.7°C | 32.5°C | 13.0°C | 61 mm | 59% | 2.9 m/s | 6.4 |
| 2021 | 28.1°C | 22.6°C | 17.2°C | 33.3°C | 10.9°C | 58 mm | 66% | 2.9 m/s | 5.6 |
| 2020 🔥 | 31.2°C | 25.5°C | 19.7°C | 35.0°C | 15.3°C | 53 mm | 62% | 2.6 m/s | 6.6 |
| 2019 | 28.9°C | 23.6°C | 18.3°C | 32.6°C | 13.9°C | 114 mm | 71% | 2.4 m/s | 6.4 |
| 2018 | 29.3°C | 23.7°C | 18.1°C | 33.6°C | 12.6°C | 74 mm | 65% | 2.5 m/s | 6.5 |
| 2017 | 27.0°C | 21.8°C | 16.7°C | 31.2°C | 13.2°C | 95 mm | 73% | 2.4 m/s | 6.1 |
| 2016 | 30.1°C | 24.2°C | 18.3°C | 35.8°C | 11.5°C | 43 mm | 61% | 2.9 m/s | 6.5 |
| 2015 | 26.9°C | 21.4°C | 15.8°C | 33.0°C | 10.1°C | 72 mm | 69% | 2.3 m/s | 6.5 |
| 2014 | 25.5°C | 20.3°C | 15.2°C | 30.3°C | 9.8°C | 114 mm | 70% | 3 m/s | 6.1 |
| 2013 | 27.0°C | 22.2°C | 17.5°C | 34.2°C | 10.6°C | 99 mm | 75% | 2.5 m/s | 5.9 |
| 2012 | 30.4°C | 24.6°C | 18.9°C | 36.5°C | 14.9°C | 83 mm | 61% | 2.5 m/s | 6.4 |
| 2011 | 30.7°C | 24.7°C | 18.7°C | 34.6°C | 12.5°C | 39 mm | 63% | 2.6 m/s | 6.7 |
| 2010 | 29.3°C | 23.7°C | 18.1°C | 34.9°C | 9.6°C | 100 mm | 66% | 2.6 m/s | 6.4 |
| 2009 | 24.4°C | 19.3°C | 14.1°C | 27.8°C | 9.2°C | 125 mm | 72% | 2.6 m/s | 5.8 |
| 2008 | 27.7°C | 22.4°C | 17.1°C | 31.0°C | 10.6°C | 121 mm | 70% | 2.8 m/s | 6.5 |
| 2007 | 27.8°C | 22.0°C | 16.3°C | 33.8°C | 10.6°C | 48 mm | 59% | 2.7 m/s | 6.2 |
| 2006 | 29.7°C | 24.1°C | 18.5°C | 36.5°C | 11.7°C | 104 mm | 67% | 3.1 m/s | 6 |
| 2005 | 29.9°C | 24.0°C | 18.2°C | 35.3°C | 12.1°C | 94 mm | 63% | 2.5 m/s | 6.4 |
| 2004 | 25.3°C | 20.5°C | 15.7°C | 29.3°C | 11.4°C | 123 mm | 77% | 2.6 m/s | 5.4 |
| 2003 | 26.3°C | 20.9°C | 15.6°C | 30.6°C | 11.2°C | 100 mm | 71% | 2.8 m/s | 5.6 |
| 2002 | 29.0°C | 23.1°C | 17.2°C | 32.6°C | 12.2°C | 82 mm | 65% | 2.6 m/s | 6.7 |
| 2001 | 26.7°C | 20.8°C | 15.0°C | 32.7°C | 7.4°C | 30 mm | 63% | 2.9 m/s | 6.6 |
| 2000 | 24.1°C | 19.4°C | 14.7°C | 28.3°C | 10.0°C | 100 mm | 77% | 2.3 m/s | 5.9 |
| 1999 | 29.9°C | 23.9°C | 17.9°C | 35.5°C | 11.8°C | 46 mm | 62% | 3.1 m/s | 6.5 |
| 1998 | 27.7°C | 22.1°C | 16.5°C | 31.4°C | 12.6°C | 96 mm | 64% | 2.8 m/s | 6.3 |
| 1997 | 27.7°C | 21.8°C | 15.9°C | 32.3°C | 9.6°C | 49 mm | 63% | 2.9 m/s | 6 |
| 1996 | 26.8°C | 20.8°C | 14.7°C | 30.6°C | 10.4°C | 50 mm | 62% | 3.1 m/s | 6.5 |
| 1995 | 28.9°C | 23.1°C | 17.3°C | 35.2°C | 11.0°C | 27 mm | 63% | 3 m/s | 6 |
| 1994 | 27.8°C | 22.4°C | 16.9°C | 31.1°C | 10.9°C | 40 mm | 67% | 2.8 m/s | 6.1 |
| 1993 | 29.0°C | 23.1°C | 17.2°C | 31.7°C | 11.6°C | 43 mm | 64% | 3.1 m/s | 6.2 |
| 1992 ❄️ 🌧️ | 24.6°C | 19.2°C | 13.9°C | 28.4°C | 9.5°C | 140 mm | 72% | 3.1 m/s | 6.2 |
| 1991 | 28.4°C | 22.5°C | 16.6°C | 32.9°C | 11.4°C | 58 mm | 61% | 2.8 m/s | 6.6 |
| 1990 | 27.0°C | 21.3°C | 15.6°C | 32.8°C | 11.0°C | 69 mm | 65% | 3 m/s | 5.8 |
| 1989 | 28.9°C | 23.0°C | 17.2°C | 33.8°C | 11.0°C | 38 mm | 61% | 2.3 m/s | 6 |
| 1988 | 30.5°C | 24.2°C | 17.9°C | 38.6°C | 11.2°C | 110 mm | 57% | 2.4 m/s | 6.1 |
| 1987 | 29.8°C | 24.1°C | 18.3°C | 35.1°C | 10.3°C | 47 mm | 63% | 3 m/s | 6.4 |
| 1986 | 28.2°C | 22.5°C | 16.8°C | 33.1°C | 10.2°C | 81 mm | 67% | 2.8 m/s | 6 |
| 1985 | 26.8°C | 21.1°C | 15.4°C | 30.8°C | 9.8°C | 48 mm | 64% | 3 m/s | 6.6 |
| 1984 | 26.0°C | 20.5°C | 15.1°C | 30.3°C | 8.4°C | 42 mm | 69% | 2.8 m/s | 4.9 |
| 1983 | 29.0°C | 23.3°C | 17.6°C | 34.3°C | 9.0°C | 86 mm | 65% | 3 m/s | — |
| 1982 | 27.4°C | 21.8°C | 16.1°C | 31.9°C | 8.8°C | 69 mm | 67% | 2.6 m/s | — |
| 1981 | 29.1°C | 22.9°C | 16.7°C | 34.6°C | 11.2°C | 69 mm | 60% | 2.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 28.2°C with lows near 16.9°C (mean 22.5°C), based on 45 years of NASA POWER data.
July averages 75 mm of rainfall in Simcoe, a relatively wet time of year. The wettest on record was 140 mm in 1992.
The hottest July reached 38.6°C in 1988. The coldest dipped to 7.4°C in 2001.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.7°C. Daytime highs moved from 27.7°C to 29.3°C and overnight lows from 16.2°C to 17.9°C over the same span.
July is one of the warmer months of the year in Simcoe and a relatively wet time of year, so plan for around 28.2°C daytime highs and 16.9°C at night.
Not quite — July is the 12th coolest month in Simcoe, averaging 22.5°C.
For July in Simcoe, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 16.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 66% — moderately humid.
Average wind speed in July is 2.7 m/s. The windiest July on record averaged 3.1 m/s (1992).
The wettest July on record was 1992 with 140 mm. On average, July sees 75 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 Simcoe 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.
