July is one of the warmer months of the year in Bangor, with average highs near 17°C and lows around 13.4°C (mean 15.2°C). It is one of the drier months, averaging 82 mm of rainfall and 84% relative humidity across the period.
July is one of the warmer months of the year in Bangor. Across 45 years of records, the warmest July in Bangor was 2006 — when the month averaged 17.2°C — while the coldest was 1988 at 13.7°C. Typical July days reach 17°C with nights near 13.4°C. The long-term trend is warming, about 0.2°C per decade.
July is one of the drier months in Bangor, averaging 82 mm of rainfall. The wettest July on record was 2009 with 180 mm, while the driest was 1983 at 22 mm.
Relative humidity in Bangor during July averages 84%. The most humid July was 2016 at 87%, and the least humid was 1984 at 80%.
July receives about 5 kWh/m²/day of solar energy in Bangor. The sunniest July was 2013 at 6 kWh/m²/day, and the cloudiest was 1986 at 3.8.
Average wind speed in Bangor during July is 4 m/s. The windiest July was 1988 at 5.9 m/s, while the calmest was 1983 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.9°C | 15.1°C | 15.1°C | 15.4°C | 15.7°C | +0.8°C |
| Avg High | 16.8°C | 17.0°C | 16.8°C | 17.2°C | 17.4°C | +0.6°C |
| Avg Low | 13.0°C | 13.2°C | 13.4°C | 13.7°C | 14.0°C | +1°C |
| Avg Rain | 63 mm | 63 mm | 101 mm | 87 mm | 100 mm | +37 mm |
July temperatures in Bangor have risen by about 0.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 9.5°C (1997) to a record high of 26.2°C (2025).
Rainfall in July is one of the drier months, averaging 82 mm, with a wettest year of 180 mm.
One of the best times to visit Bangor
July is one of the best times to visit Bangor. Expect days averaging 17°C and nights around 13.4°C (mean 15.2°C) — warmer than Bangor's yearly average — with higher rainfall (82 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 | 18.1°C | 16.4°C | 14.6°C | 26.2°C | 12.5°C | 71 mm | 84% | 3.7 m/s | 5 |
| 2024 | 16.7°C | 15.0°C | 13.3°C | 20.8°C | 11.2°C | 108 mm | 85% | 3.8 m/s | 4.8 |
| 2023 | 16.8°C | 15.4°C | 13.9°C | 20.2°C | 12.3°C | 160 mm | 85% | 5.5 m/s | 4.7 |
| 2022 | 18.1°C | 16.2°C | 14.3°C | 25.8°C | 12.4°C | 58 mm | 82% | 3.7 m/s | 5.3 |
| 2021 | 18.6°C | 16.6°C | 14.6°C | 25.3°C | 12.0°C | 64 mm | 83% | 2.7 m/s | 5.5 |
| 2020 | 15.9°C | 14.4°C | 13.0°C | 19.9°C | 11.2°C | 140 mm | 86% | 4.7 m/s | 4.5 |
| 2019 | 17.7°C | 15.9°C | 14.1°C | 24.1°C | 11.3°C | 55 mm | 85% | 3.8 m/s | 5.1 |
| 2018 | 18.9°C | 16.8°C | 14.7°C | 22.0°C | 13.6°C | 54 mm | 80% | 3.2 m/s | 5.5 |
| 2017 | 16.8°C | 15.1°C | 13.4°C | 20.3°C | 11.7°C | 103 mm | 85% | 4.1 m/s | 5.3 |
| 2016 | 16.6°C | 15.1°C | 13.6°C | 24.4°C | 11.0°C | 92 mm | 87% | 4.4 m/s | 4.9 |
| 2015 | 15.9°C | 14.3°C | 12.7°C | 20.0°C | 10.5°C | 94 mm | 84% | 5.1 m/s | 4.9 |
| 2014 | 18.3°C | 16.3°C | 14.3°C | 23.9°C | 12.3°C | 56 mm | 82% | 3.4 m/s | 5.4 |
| 2013 | 19.0°C | 16.7°C | 14.4°C | 24.7°C | 11.6°C | 57 mm | 83% | 2.9 m/s | 6 |
| 2012 | 15.6°C | 14.1°C | 12.6°C | 18.4°C | 10.7°C | 123 mm | 86% | 4.1 m/s | 4.5 |
| 2011 | 16.2°C | 14.6°C | 12.9°C | 20.2°C | 11.4°C | 89 mm | 81% | 3.6 m/s | 5.4 |
| 2010 | 16.7°C | 15.3°C | 13.9°C | 18.7°C | 12.1°C | 148 mm | 87% | 4.8 m/s | 4.6 |
| 2009 🌧️ | 16.6°C | 15.2°C | 13.8°C | 23.0°C | 11.8°C | 180 mm | 85% | 5.1 m/s | 4.9 |
| 2008 | 16.8°C | 15.0°C | 13.3°C | 23.1°C | 10.8°C | 102 mm | 86% | 4.5 m/s | 4.6 |
| 2007 | 15.8°C | 14.4°C | 13.0°C | 17.5°C | 11.7°C | 179 mm | 87% | 4.9 m/s | 5 |
| 2006 🔥 | 19.6°C | 17.2°C | 14.8°C | 25.5°C | 11.8°C | 34 mm | 83% | 3.5 m/s | 5.7 |
| 2005 | 17.0°C | 15.2°C | 13.4°C | 23.3°C | 10.9°C | 87 mm | 85% | 3.6 m/s | 4.9 |
| 2004 | 15.7°C | 14.3°C | 12.8°C | 18.0°C | 10.9°C | 93 mm | 86% | 3.9 m/s | 4.7 |
| 2003 | 17.3°C | 15.6°C | 13.9°C | 24.5°C | 12.4°C | 101 mm | 86% | 4.4 m/s | 4.7 |
| 2002 | 15.4°C | 14.1°C | 12.7°C | 18.0°C | 10.8°C | 78 mm | 87% | 3.9 m/s | 4.7 |
| 2001 | 16.8°C | 15.1°C | 13.4°C | 21.9°C | 10.7°C | 66 mm | 84% | 4 m/s | 5.2 |
| 2000 | 16.6°C | 14.8°C | 13.1°C | 20.8°C | 10.8°C | 89 mm | 85% | 3.5 m/s | 5.3 |
| 1999 | 18.1°C | 15.8°C | 13.6°C | 23.7°C | 11.3°C | 38 mm | 83% | 4.1 m/s | 5.6 |
| 1998 | 15.7°C | 14.3°C | 12.9°C | 17.8°C | 11.5°C | 87 mm | 87% | 5.1 m/s | 4.6 |
| 1997 | 17.1°C | 15.2°C | 13.3°C | 21.9°C | 9.5°C | 66 mm | 85% | 3.4 m/s | 5.1 |
| 1996 | 16.3°C | 14.5°C | 12.8°C | 21.1°C | 10.7°C | 56 mm | 84% | 3.9 m/s | 5 |
| 1995 | 18.5°C | 16.4°C | 14.4°C | 24.9°C | 12.0°C | 67 mm | 85% | 4.1 m/s | 5.3 |
| 1994 | 16.8°C | 14.8°C | 12.8°C | 21.3°C | 11.3°C | 64 mm | 85% | 3.3 m/s | 5.1 |
| 1993 | 15.2°C | 13.9°C | 12.5°C | 17.5°C | 9.7°C | 78 mm | 86% | 4.9 m/s | 4.6 |
| 1992 | 16.8°C | 15.0°C | 13.2°C | 19.0°C | 11.2°C | 67 mm | 83% | 4.2 m/s | 4.6 |
| 1991 | 17.1°C | 15.2°C | 13.4°C | 21.6°C | 11.4°C | 63 mm | 87% | 4.4 m/s | 4.9 |
| 1990 | 18.1°C | 15.8°C | 13.5°C | 22.3°C | 10.1°C | 47 mm | 80% | 4.3 m/s | 5.5 |
| 1989 | 18.4°C | 16.2°C | 14.1°C | 23.5°C | 12.0°C | 30 mm | 83% | 3.3 m/s | 5.6 |
| 1988 ❄️ | 15.0°C | 13.7°C | 12.4°C | 16.6°C | 11.0°C | 132 mm | 86% | 5.9 m/s | 4.6 |
| 1987 | 16.3°C | 14.6°C | 13.0°C | 20.2°C | 11.1°C | 82 mm | 85% | 3.7 m/s | 4.5 |
| 1986 | 15.4°C | 13.9°C | 12.5°C | 18.2°C | 10.4°C | 79 mm | 86% | 4 m/s | 3.8 |
| 1985 | 16.1°C | 14.5°C | 12.8°C | 22.8°C | 11.0°C | 90 mm | 86% | 4 m/s | 4.4 |
| 1984 | 17.3°C | 15.1°C | 12.9°C | 21.2°C | 9.9°C | 27 mm | 80% | 3.4 m/s | 5.6 |
| 1983 | 19.5°C | 16.9°C | 14.2°C | 25.8°C | 10.5°C | 22 mm | 82% | 2.3 m/s | — |
| 1982 | 17.4°C | 15.0°C | 12.7°C | 21.6°C | 10.7°C | 43 mm | 84% | 3.2 m/s | — |
| 1981 | 15.6°C | 14.1°C | 12.6°C | 18.1°C | 10.7°C | 65 mm | 86% | 4.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 17°C with lows near 13.4°C (mean 15.2°C), based on 45 years of NASA POWER data.
July averages 82 mm of rainfall in Bangor, one of the drier months. The wettest on record was 180 mm in 2009.
The hottest July reached 26.2°C in 2025. The coldest dipped to 9.5°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.8°C. Daytime highs moved from 17.2°C to 17.7°C and overnight lows from 13°C to 14.1°C over the same span.
July is one of the warmer months of the year in Bangor and one of the drier months, so plan for around 17°C daytime highs and 13.4°C at night.
Not quite — July is the 11th coolest month in Bangor, averaging 15.2°C.
For July in Bangor, pack light layers you can adjust through the day, with typical highs of 17°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 4 m/s. The windiest July on record averaged 5.9 m/s (1988).
The wettest July on record was 2009 with 180 mm. On average, July sees 82 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 Bangor 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.
