July is one of the warmer months of the year in Troy, with average highs near 26.5°C and lows around 15.5°C (mean 21°C). It is a relatively wet time of year, averaging 115 mm of rainfall and 80% relative humidity across the period.
July is one of the warmer months of the year in Troy. Across 45 years of records, the warmest July in Troy was 2020 — when the month averaged 23.4°C — while the coldest was 1992 at 18.3°C. Typical July days reach 26.5°C with nights near 15.5°C. The long-term trend is warming, about 0.6°C per decade.
July is a relatively wet time of year in Troy, averaging 115 mm of rainfall. The wettest July on record was 2021 with 259 mm, while the driest was 2002 at 46 mm.
Relative humidity in Troy during July averages 80%. The most humid July was 2021 at 85%, and the least humid was 1999 at 72%.
July receives about 5.9 kWh/m²/day of solar energy in Troy. The sunniest July was 2018 at 6.5 kWh/m²/day, and the cloudiest was 2021 at 5.
Average wind speed in Troy 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 | 20.3°C | 20.4°C | 20.3°C | 21.8°C | 22.4°C | +2.1°C |
| Avg High | 26.1°C | 26.0°C | 25.6°C | 27.3°C | 27.8°C | +1.7°C |
| Avg Low | 14.5°C | 14.9°C | 15.0°C | 16.4°C | 17.1°C | +2.6°C |
| Avg Rain | 105 mm | 100 mm | 128 mm | 106 mm | 147 mm | +42 mm |
July temperatures in Troy have risen by about 2.2°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 6.8°C (1988) to a record high of 35.7°C (2018).
Rainfall in July is a relatively wet time of year, averaging 115 mm, with a wettest year of 259 mm.
One of the best times to visit Troy
July is one of the best times to visit Troy. Expect days averaging 26.5°C and nights around 15.5°C (mean 21°C) — warmer than Troy's yearly average — with higher rainfall (115 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 | 28.5°C | 23.1°C | 17.8°C | 33.9°C | 10.4°C | 89 mm | 81% | 0.1 m/s | 6 |
| 2024 | 28.4°C | 22.9°C | 17.5°C | 33.3°C | 11.8°C | 106 mm | 81% | 0.1 m/s | 5.9 |
| 2023 | 27.9°C | 22.7°C | 17.4°C | 34.5°C | 11.6°C | 238 mm | 84% | 0.1 m/s | 5.6 |
| 2022 | 27.4°C | 21.6°C | 15.8°C | 34.3°C | 9.7°C | 89 mm | 77% | 0.1 m/s | 6.4 |
| 2021 🌧️ | 25.5°C | 20.7°C | 15.8°C | 34.0°C | 8.5°C | 259 mm | 85% | 0.1 m/s | 5 |
| 2020 🔥 | 28.9°C | 23.4°C | 18.0°C | 33.3°C | 14.2°C | 101 mm | 79% | 0.1 m/s | 6.2 |
| 2019 | 28.2°C | 22.8°C | 17.4°C | 33.2°C | 12.2°C | 87 mm | 82% | 0.1 m/s | 6.3 |
| 2018 | 28.3°C | 22.5°C | 16.7°C | 35.7°C | 9.9°C | 142 mm | 77% | 0.1 m/s | 6.5 |
| 2017 | 25.4°C | 20.6°C | 15.7°C | 30.0°C | 10.3°C | 111 mm | 83% | 0.1 m/s | 5.7 |
| 2016 | 28.1°C | 22.2°C | 16.4°C | 32.9°C | 10.9°C | 108 mm | 74% | 0.1 m/s | 6.1 |
| 2015 | 26.9°C | 21.0°C | 15.1°C | 32.3°C | 9.3°C | 78 mm | 77% | 0.1 m/s | 6.1 |
| 2014 | 25.9°C | 20.6°C | 15.2°C | 31.6°C | 10.9°C | 161 mm | 80% | 0.1 m/s | 6 |
| 2013 | 27.6°C | 22.8°C | 18.1°C | 30.8°C | 10.1°C | 107 mm | 84% | 0.1 m/s | 5.8 |
| 2012 | 27.6°C | 22.1°C | 16.5°C | 33.7°C | 13.1°C | 83 mm | 79% | 0.1 m/s | 6.2 |
| 2011 | 27.2°C | 21.8°C | 16.5°C | 31.2°C | 11.1°C | 82 mm | 82% | 0.1 m/s | 6.4 |
| 2010 | 27.4°C | 21.9°C | 16.4°C | 35.5°C | 8.9°C | 97 mm | 80% | 0.1 m/s | 6.2 |
| 2009 | 24.0°C | 19.1°C | 14.1°C | 28.2°C | 8.7°C | 192 mm | 83% | 0.1 m/s | 5.5 |
| 2008 | 26.4°C | 21.3°C | 16.2°C | 29.5°C | 12.5°C | 180 mm | 82% | 0.1 m/s | 5.7 |
| 2007 | 24.9°C | 19.8°C | 14.6°C | 32.1°C | 8.0°C | 126 mm | 83% | 0.1 m/s | 5.8 |
| 2006 | 27.0°C | 22.0°C | 17.0°C | 30.5°C | 11.8°C | 118 mm | 83% | 0.1 m/s | 5.8 |
| 2005 | 26.8°C | 21.7°C | 16.6°C | 31.4°C | 12.6°C | 109 mm | 83% | 0.1 m/s | 5.8 |
| 2004 | 25.6°C | 20.5°C | 15.4°C | 29.5°C | 10.5°C | 176 mm | 83% | 0.1 m/s | 5.2 |
| 2003 | 26.3°C | 20.8°C | 15.2°C | 30.1°C | 10.6°C | 113 mm | 82% | 0.1 m/s | 6 |
| 2002 | 27.1°C | 21.1°C | 15.2°C | 31.3°C | 9.2°C | 46 mm | 77% | 0.1 m/s | 6.3 |
| 2001 | 24.4°C | 18.5°C | 12.6°C | 32.0°C | 8.1°C | 78 mm | 76% | 0.1 m/s | 6.4 |
| 2000 | 23.7°C | 18.4°C | 13.1°C | 29.6°C | 9.0°C | 145 mm | 83% | 0.1 m/s | 5.3 |
| 1999 | 28.8°C | 22.5°C | 16.3°C | 33.6°C | 10.0°C | 87 mm | 72% | 0.1 m/s | 6.3 |
| 1998 | 25.1°C | 20.1°C | 15.1°C | 29.2°C | 11.4°C | 77 mm | 82% | 0.1 m/s | 6 |
| 1997 | 24.9°C | 19.1°C | 13.2°C | 30.3°C | 8.1°C | 79 mm | 80% | 0.1 m/s | 6.2 |
| 1996 | 24.2°C | 19.2°C | 14.2°C | 29.6°C | 9.2°C | 195 mm | 83% | 0.1 m/s | 5.5 |
| 1995 | 29.0°C | 22.6°C | 16.3°C | 33.8°C | 9.0°C | 91 mm | 73% | 0.1 m/s | 5.5 |
| 1994 | 26.8°C | 21.7°C | 16.7°C | 34.5°C | 10.7°C | 123 mm | 84% | 0.1 m/s | 5.7 |
| 1993 | 26.2°C | 20.6°C | 15.0°C | 33.7°C | 9.7°C | 64 mm | 80% | 0.1 m/s | 6 |
| 1992 ❄️ | 23.7°C | 18.3°C | 13.0°C | 27.5°C | 9.1°C | 152 mm | 83% | 0.1 m/s | 5.6 |
| 1991 | 25.7°C | 20.0°C | 14.3°C | 31.6°C | 9.7°C | 69 mm | 79% | 0.1 m/s | 5.7 |
| 1990 | 25.9°C | 20.3°C | 14.8°C | 31.3°C | 9.2°C | 63 mm | 81% | 0.1 m/s | 5.8 |
| 1989 | 25.6°C | 20.2°C | 14.8°C | 29.3°C | 10.6°C | 118 mm | 82% | 0.1 m/s | 5.7 |
| 1988 | 28.1°C | 22.1°C | 16.1°C | 33.9°C | 6.8°C | 145 mm | 77% | 0.1 m/s | 5.5 |
| 1987 | 26.3°C | 20.9°C | 15.5°C | 31.6°C | 9.6°C | 89 mm | 81% | 0.1 m/s | 6 |
| 1986 | 25.1°C | 19.7°C | 14.4°C | 30.0°C | 7.3°C | 143 mm | 83% | 0.1 m/s | 5.6 |
| 1985 | 26.5°C | 19.9°C | 13.2°C | 30.5°C | 8.5°C | 81 mm | 73% | 0.1 m/s | 6 |
| 1984 | 24.8°C | 19.4°C | 14.1°C | 28.6°C | 9.8°C | 137 mm | 83% | 0.1 m/s | 5.3 |
| 1983 | 25.9°C | 20.2°C | 14.4°C | 29.5°C | 8.2°C | 57 mm | 82% | 0.1 m/s | — |
| 1982 | 25.8°C | 19.8°C | 13.7°C | 29.6°C | 7.2°C | 66 mm | 80% | 0.1 m/s | — |
| 1981 | 26.5°C | 20.6°C | 14.7°C | 31.7°C | 9.2°C | 112 mm | 76% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 26.5°C with lows near 15.5°C (mean 21°C), based on 45 years of NASA POWER data.
July averages 115 mm of rainfall in Troy, a relatively wet time of year. The wettest on record was 259 mm in 2021.
The hottest July reached 35.7°C in 2018. The coldest dipped to 6.8°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.2°C. Daytime highs moved from 25.9°C to 27.5°C and overnight lows from 14°C to 16.9°C over the same span.
July is one of the warmer months of the year in Troy and a relatively wet time of year, so plan for around 26.5°C daytime highs and 15.5°C at night.
Not quite — July is the 12th coolest month in Troy, averaging 21°C.
For July in Troy, pack light layers you can adjust through the day, with typical highs of 26.5°C and lows of 15.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 80% — 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 2021 with 259 mm. On average, July sees 115 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 Troy 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.
