July is one of the warmer months of the year in Billings, with average highs near 30.9°C and lows around 15.2°C (mean 23°C). It is about average for rainfall, averaging 38 mm of rainfall and 46% relative humidity across the period.
July is one of the warmer months of the year in Billings. Across 45 years of records, the warmest July in Billings was 2021 — when the month averaged 26.7°C — while the coldest was 1993 at 16.8°C. Typical July days reach 30.9°C with nights near 15.2°C. The long-term trend is warming, about 0.5°C per decade.
July is about average for rainfall in Billings, averaging 38 mm of rainfall. The wettest July on record was 1993 with 152 mm, while the driest was 2003 at 5 mm.
Relative humidity in Billings during July averages 46%. The most humid July was 1993 at 63%, and the least humid was 1988 at 30%.
July receives about 6.9 kWh/m²/day of solar energy in Billings. The sunniest July was 2003 at 7.6 kWh/m²/day, and the cloudiest was 1993 at 5.7.
Average wind speed in Billings during July is 2.3 m/s. The windiest Julys were 1999 and 2015 at 2.7 m/s, while the calmest were 2019, 2023 and 2024, among others at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.7°C | 21.3°C | 24.3°C | 23.3°C | 24.2°C | +1.5°C |
| Avg High | 30.7°C | 28.9°C | 32.3°C | 31.1°C | 31.9°C | +1.2°C |
| Avg Low | 14.7°C | 13.7°C | 16.2°C | 15.5°C | 16.5°C | +1.8°C |
| Avg Rain | 40 mm | 51 mm | 29 mm | 35 mm | 32 mm | -8 mm |
July temperatures in Billings have risen by about 1.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 5.4°C (1997) to a record high of 42.6°C (2002).
Rainfall in July is about average for rainfall, averaging 38 mm, with a wettest year of 152 mm.
One of the best times to visit Billings
July is one of the best times to visit Billings. Expect days averaging 30.9°C and nights around 15.2°C (mean 23°C) — warmer than Billings's yearly average — with moderate rainfall (38 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 | 31.0°C | 23.4°C | 15.7°C | 37.3°C | 9.8°C | 46 mm | 52% | 2.3 m/s | 6.5 |
| 2024 | 32.4°C | 24.9°C | 17.4°C | 40.0°C | 10.1°C | 24 mm | 44% | 2.1 m/s | 6.6 |
| 2023 | 30.0°C | 22.5°C | 15.1°C | 38.5°C | 8.2°C | 33 mm | 54% | 2.1 m/s | 7.1 |
| 2022 | 33.3°C | 25.0°C | 16.7°C | 40.2°C | 12.5°C | 43 mm | 46% | 2.2 m/s | 7.3 |
| 2021 🔥 | 34.5°C | 26.7°C | 19.0°C | 41.1°C | 14.3°C | 25 mm | 39% | 2.3 m/s | 6.5 |
| 2020 | 30.4°C | 22.6°C | 14.8°C | 36.0°C | 10.0°C | 24 mm | 50% | 2.3 m/s | 7.4 |
| 2019 | 28.7°C | 21.6°C | 14.6°C | 36.4°C | 9.5°C | 75 mm | 60% | 2.1 m/s | 6.6 |
| 2018 | 30.1°C | 22.5°C | 15.0°C | 37.2°C | 6.9°C | 19 mm | 53% | 2.2 m/s | 7.3 |
| 2017 | 34.2°C | 26.1°C | 18.1°C | 38.5°C | 13.0°C | 21 mm | 40% | 2.2 m/s | 7 |
| 2016 | 31.1°C | 23.0°C | 14.8°C | 37.7°C | 9.4°C | 44 mm | 43% | 2.5 m/s | 7.1 |
| 2015 | 29.6°C | 22.1°C | 14.7°C | 36.3°C | 10.2°C | 43 mm | 48% | 2.7 m/s | 6.6 |
| 2014 | 31.2°C | 23.2°C | 15.2°C | 36.4°C | 10.6°C | 17 mm | 45% | 2.5 m/s | 7.3 |
| 2013 | 32.0°C | 24.0°C | 16.1°C | 36.5°C | 12.8°C | 32 mm | 46% | 2.5 m/s | 7 |
| 2012 | 34.3°C | 26.1°C | 17.9°C | 39.0°C | 14.4°C | 21 mm | 37% | 2.2 m/s | 6.7 |
| 2011 | 31.0°C | 22.9°C | 14.9°C | 37.8°C | 10.8°C | 34 mm | 55% | 2.2 m/s | 7.5 |
| 2010 | 29.2°C | 21.6°C | 13.9°C | 35.4°C | 7.9°C | 41 mm | 50% | 2.4 m/s | 7.3 |
| 2009 | 28.9°C | 21.5°C | 14.1°C | 35.8°C | 8.7°C | 43 mm | 48% | 2.4 m/s | 6.7 |
| 2008 | 30.8°C | 23.0°C | 15.1°C | 38.8°C | 8.9°C | 26 mm | 44% | 2.4 m/s | 7.4 |
| 2007 | 34.3°C | 26.4°C | 18.5°C | 39.9°C | 10.9°C | 46 mm | 44% | 2.2 m/s | 7.1 |
| 2006 | 34.0°C | 25.8°C | 17.6°C | 39.1°C | 14.1°C | 15 mm | 36% | 2.3 m/s | 7.1 |
| 2005 | 32.0°C | 23.7°C | 15.4°C | 41.4°C | 8.7°C | 27 mm | 43% | 2.5 m/s | 7.2 |
| 2004 | 30.2°C | 22.5°C | 14.8°C | 38.4°C | 9.7°C | 40 mm | 46% | 2.3 m/s | 6.8 |
| 2003 | 34.1°C | 25.6°C | 17.0°C | 40.0°C | 12.2°C | 5 mm | 35% | 2.6 m/s | 7.6 |
| 2002 | 33.7°C | 25.3°C | 16.9°C | 42.6°C | 12.3°C | 29 mm | 39% | 2.5 m/s | 7 |
| 2001 | 32.1°C | 24.1°C | 16.1°C | 38.1°C | 12.8°C | 37 mm | 46% | 2.2 m/s | 7.1 |
| 2000 | 33.1°C | 24.7°C | 16.3°C | 39.4°C | 11.8°C | 21 mm | 40% | 2.4 m/s | 6.9 |
| 1999 | 31.4°C | 22.5°C | 13.5°C | 39.4°C | 5.4°C | 12 mm | 38% | 2.7 m/s | 7.3 |
| 1998 | 32.2°C | 24.4°C | 16.6°C | 37.8°C | 13.6°C | 38 mm | 48% | 2.3 m/s | 7.2 |
| 1997 | 27.8°C | 20.7°C | 13.7°C | 36.5°C | 5.4°C | 83 mm | 59% | 2.1 m/s | 6.3 |
| 1996 | 30.4°C | 22.6°C | 14.8°C | 36.7°C | 10.5°C | 13 mm | 41% | 2.4 m/s | 7.5 |
| 1995 | 28.9°C | 21.1°C | 13.3°C | 37.8°C | 8.9°C | 58 mm | 53% | 2.4 m/s | 6.7 |
| 1994 | 29.5°C | 21.9°C | 14.3°C | 35.5°C | 7.3°C | 61 mm | 44% | 2.2 m/s | 6.7 |
| 1993 ❄️ 🌧️ | 23.3°C | 16.8°C | 10.3°C | 36.0°C | 6.8°C | 152 mm | 63% | 2.6 m/s | 5.7 |
| 1992 | 25.1°C | 18.1°C | 11.1°C | 31.8°C | 6.3°C | 49 mm | 57% | 2.1 m/s | 6.4 |
| 1991 | 30.3°C | 22.3°C | 14.2°C | 36.1°C | 9.2°C | 19 mm | 45% | 2.4 m/s | 7.3 |
| 1990 | 30.5°C | 22.7°C | 14.8°C | 36.9°C | 10.9°C | 22 mm | 41% | 2.4 m/s | 6.9 |
| 1989 | 32.8°C | 24.3°C | 15.9°C | 38.1°C | 11.9°C | 31 mm | 44% | 2.5 m/s | 7 |
| 1988 | 33.2°C | 24.6°C | 16.0°C | 38.3°C | 10.1°C | 6 mm | 30% | 2.3 m/s | 7 |
| 1987 | 28.7°C | 21.2°C | 13.8°C | 36.4°C | 7.1°C | 91 mm | 52% | 2.2 m/s | 6 |
| 1986 | 28.7°C | 20.8°C | 12.9°C | 35.8°C | 6.7°C | 45 mm | 44% | 2.3 m/s | 6.5 |
| 1985 | 32.3°C | 24.4°C | 16.5°C | 38.1°C | 11.3°C | 41 mm | 39% | 2.4 m/s | 6.4 |
| 1984 | 31.5°C | 23.5°C | 15.6°C | 36.7°C | 11.1°C | 22 mm | 41% | 2.2 m/s | 6.6 |
| 1983 | 30.9°C | 22.4°C | 13.9°C | 38.2°C | 7.5°C | 37 mm | 44% | 2.6 m/s | — |
| 1982 | 28.3°C | 20.9°C | 13.6°C | 36.1°C | 7.2°C | 47 mm | 54% | 2.2 m/s | — |
| 1981 | 30.1°C | 22.0°C | 13.9°C | 36.2°C | 7.5°C | 45 mm | 46% | 2.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 30.9°C with lows near 15.2°C (mean 23°C), based on 45 years of NASA POWER data.
July averages 38 mm of rainfall in Billings, about average for rainfall. The wettest on record was 152 mm in 1993.
The hottest July reached 42.6°C in 2002. The coldest dipped to 5.4°C in 1997.
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 30.6°C to 32.2°C and overnight lows from 14.7°C to 16.8°C over the same span.
July is one of the warmer months of the year in Billings and about average for rainfall, so plan for around 30.9°C daytime highs and 15.2°C at night.
Not quite — July is the 12th coolest month in Billings, averaging 23°C.
For July in Billings, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 15.2°C.
Relative humidity in July averages 46% — relatively dry.
Average wind speed in July is 2.3 m/s. The windiest July on record averaged 2.7 m/s (1999).
The wettest July on record was 1993 with 152 mm. On average, July sees 38 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 Billings 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.
