July is one of the warmer months of the year in Bozeman, with average highs near 25.1°C and lows around 9°C (mean 17.1°C). It is one of the drier months, averaging 42 mm of rainfall and 55% relative humidity across the period.
July is one of the warmer months of the year in Bozeman. Across 45 years of records, the warmest July in Bozeman was 2021 — when the month averaged 20.8°C — while the coldest was 1993 at 10.3°C. Typical July days reach 25.1°C with nights near 9°C. The long-term trend is warming, about 0.6°C per decade.
July is one of the drier months in Bozeman, averaging 42 mm of rainfall. The wettest July on record was 1993 with 126 mm, while the driest was 1999 at 8 mm.
Relative humidity in Bozeman during July averages 55%. The most humid July was 1993 at 73%, and the least humid was 1988 at 39%.
July receives about 7 kWh/m²/day of solar energy in Bozeman. The sunniest July was 2003 at 7.7 kWh/m²/day, and the cloudiest was 1993 at 5.7.
Average wind speed in Bozeman during July is 0.5 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.5 m/s, while the calmest were 2018, 2019 and 2021, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.5°C | 15.4°C | 18.1°C | 17.2°C | 18.5°C | +2°C |
| Avg High | 24.8°C | 23.1°C | 26.6°C | 25.1°C | 26.6°C | +1.8°C |
| Avg Low | 8.2°C | 7.7°C | 9.6°C | 9.4°C | 10.4°C | +2.2°C |
| Avg Rain | 51 mm | 50 mm | 37 mm | 38 mm | 28 mm | -23 mm |
July temperatures in Bozeman have risen by about 2.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -1.3°C (1981) to a record high of 36.5°C (2002).
Rainfall in July is one of the drier months, averaging 42 mm, with a wettest year of 126 mm.
One of the best times to visit Bozeman
July is one of the best times to visit Bozeman. Expect days averaging 25.1°C and nights around 9°C (mean 17.1°C) — warmer than Bozeman's yearly average — with moderate rainfall (42 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 | 26.7°C | 18.4°C | 10.0°C | 31.2°C | 5.5°C | 28 mm | 51% | 0.5 m/s | 6.7 |
| 2024 | 26.6°C | 18.9°C | 11.1°C | 32.8°C | 5.3°C | 23 mm | 49% | 0.5 m/s | 6.9 |
| 2023 | 25.9°C | 18.1°C | 10.3°C | 31.9°C | 3.1°C | 29 mm | 56% | 0.5 m/s | 7.2 |
| 2022 | 27.7°C | 18.9°C | 10.2°C | 31.3°C | 6.0°C | 21 mm | 51% | 0.5 m/s | 7.2 |
| 2021 🔥 | 29.1°C | 20.8°C | 12.5°C | 33.6°C | 7.7°C | 30 mm | 46% | 0.4 m/s | 6.5 |
| 2020 | 23.8°C | 16.0°C | 8.2°C | 30.5°C | 1.0°C | 37 mm | 59% | 0.5 m/s | 7.4 |
| 2019 | 23.3°C | 16.3°C | 9.4°C | 30.0°C | 4.4°C | 49 mm | 66% | 0.4 m/s | 6.7 |
| 2018 | 24.4°C | 16.9°C | 9.3°C | 28.9°C | 3.1°C | 16 mm | 64% | 0.4 m/s | 7.5 |
| 2017 | 27.9°C | 19.7°C | 11.6°C | 31.9°C | 5.7°C | 31 mm | 54% | 0.4 m/s | 7 |
| 2016 | 25.2°C | 16.8°C | 8.5°C | 31.0°C | 1.6°C | 49 mm | 50% | 0.5 m/s | 7.3 |
| 2015 | 23.0°C | 15.7°C | 8.4°C | 29.4°C | 2.3°C | 72 mm | 58% | 0.5 m/s | 6.4 |
| 2014 | 25.5°C | 17.6°C | 9.7°C | 30.5°C | 4.3°C | 26 mm | 57% | 0.5 m/s | 7.3 |
| 2013 | 27.5°C | 19.0°C | 10.5°C | 31.6°C | 7.2°C | 26 mm | 48% | 0.5 m/s | 7.1 |
| 2012 | 27.8°C | 19.2°C | 10.7°C | 32.0°C | 5.3°C | 34 mm | 53% | 0.4 m/s | 6.8 |
| 2011 | 23.9°C | 16.2°C | 8.5°C | 28.1°C | 4.5°C | 36 mm | 65% | 0.5 m/s | 7.5 |
| 2010 | 22.2°C | 14.7°C | 7.1°C | 27.3°C | -0.1°C | 42 mm | 64% | 0.5 m/s | 7.4 |
| 2009 | 22.7°C | 15.2°C | 7.7°C | 29.9°C | 0.9°C | 74 mm | 62% | 0.5 m/s | 6.7 |
| 2008 | 24.9°C | 16.8°C | 8.7°C | 30.3°C | 4.6°C | 24 mm | 55% | 0.5 m/s | 7.5 |
| 2007 | 29.5°C | 20.5°C | 11.5°C | 33.9°C | 6.2°C | 30 mm | 48% | 0.4 m/s | 7.1 |
| 2006 | 27.9°C | 19.3°C | 10.7°C | 33.8°C | 5.9°C | 31 mm | 49% | 0.5 m/s | 7.2 |
| 2005 | 26.0°C | 17.4°C | 8.9°C | 32.6°C | 2.3°C | 40 mm | 53% | 0.5 m/s | 7.3 |
| 2004 | 24.1°C | 16.3°C | 8.5°C | 30.8°C | 1.2°C | 54 mm | 58% | 0.4 m/s | 7.1 |
| 2003 | 28.7°C | 20.0°C | 11.3°C | 33.3°C | 5.2°C | 19 mm | 44% | 0.5 m/s | 7.7 |
| 2002 | 28.3°C | 19.3°C | 10.3°C | 36.5°C | 4.4°C | 31 mm | 47% | 0.5 m/s | 7 |
| 2001 | 26.3°C | 17.8°C | 9.2°C | 31.3°C | 5.7°C | 39 mm | 52% | 0.5 m/s | 6.8 |
| 2000 | 27.2°C | 18.4°C | 9.6°C | 33.8°C | 4.7°C | 24 mm | 44% | 0.5 m/s | 7 |
| 1999 | 25.2°C | 16.4°C | 7.6°C | 30.9°C | 0.8°C | 8 mm | 47% | 0.5 m/s | 7.4 |
| 1998 | 25.3°C | 17.7°C | 10.0°C | 30.5°C | 6.3°C | 44 mm | 62% | 0.4 m/s | 7.6 |
| 1997 | 21.4°C | 14.6°C | 7.9°C | 27.4°C | 2.8°C | 72 mm | 69% | 0.4 m/s | 6.7 |
| 1996 | 24.0°C | 16.1°C | 8.3°C | 28.1°C | 2.9°C | 36 mm | 57% | 0.5 m/s | 7.6 |
| 1995 | 22.3°C | 14.9°C | 7.4°C | 28.3°C | 1.7°C | 71 mm | 64% | 0.5 m/s | 6.7 |
| 1994 | 24.3°C | 16.1°C | 8.0°C | 29.4°C | 2.7°C | 50 mm | 50% | 0.5 m/s | 6.6 |
| 1993 ❄️ 🌧️ | 16.5°C | 10.3°C | 4.1°C | 26.3°C | 1.0°C | 126 mm | 73% | 0.4 m/s | 5.7 |
| 1992 | 20.5°C | 13.5°C | 6.5°C | 26.5°C | 3.2°C | 50 mm | 61% | 0.5 m/s | 6.5 |
| 1991 | 26.0°C | 17.3°C | 8.6°C | 30.7°C | 1.9°C | 18 mm | 47% | 0.5 m/s | 7.3 |
| 1990 | 25.4°C | 16.9°C | 8.5°C | 31.1°C | 5.4°C | 29 mm | 50% | 0.5 m/s | 6.8 |
| 1989 | 28.4°C | 19.3°C | 10.2°C | 33.8°C | 6.7°C | 30 mm | 47% | 0.4 m/s | 6.8 |
| 1988 | 27.7°C | 18.6°C | 9.4°C | 32.2°C | 4.1°C | 12 mm | 39% | 0.5 m/s | 7.3 |
| 1987 | 22.9°C | 15.1°C | 7.3°C | 30.8°C | 0.9°C | 103 mm | 58% | 0.5 m/s | 6.2 |
| 1986 | 22.4°C | 14.3°C | 6.2°C | 29.7°C | 1.1°C | 56 mm | 53% | 0.5 m/s | 6.4 |
| 1985 | 27.2°C | 18.5°C | 9.9°C | 32.4°C | 5.3°C | 47 mm | 48% | 0.4 m/s | 6.6 |
| 1984 | 24.5°C | 16.6°C | 8.8°C | 28.7°C | 4.3°C | 58 mm | 58% | 0.5 m/s | 6.7 |
| 1983 | 23.0°C | 15.0°C | 7.1°C | 29.6°C | 1.0°C | 76 mm | 58% | 0.5 m/s | — |
| 1982 | 22.2°C | 15.0°C | 7.7°C | 29.3°C | 2.1°C | 46 mm | 62% | 0.5 m/s | — |
| 1981 | 24.6°C | 15.8°C | 7.0°C | 30.5°C | -1.3°C | 30 mm | 52% | 0.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 25.1°C with lows near 9°C (mean 17.1°C), based on 45 years of NASA POWER data.
July averages 42 mm of rainfall in Bozeman, one of the drier months. The wettest on record was 126 mm in 1993.
The hottest July reached 36.5°C in 2002. The coldest dipped to -1.3°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.8°C. Daytime highs moved from 24.3°C to 27.2°C and overnight lows from 8.1°C to 10.8°C over the same span.
July is one of the warmer months of the year in Bozeman and one of the drier months, so plan for around 25.1°C daytime highs and 9°C at night.
Not quite — July is the 12th coolest month in Bozeman, averaging 17.1°C.
For July in Bozeman, pack light layers you can adjust through the day, with typical highs of 25.1°C and lows of 9°C.
Relative humidity in July averages 55% — relatively dry.
Average wind speed in July is 0.5 m/s. The windiest July on record averaged 0.5 m/s (1981).
The wettest July on record was 1993 with 126 mm. On average, July sees 42 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 Bozeman 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.
