July is one of the warmer months of the year in Brockton, with average highs near 27.9°C and lows around 17.4°C (mean 22.7°C). It is about average for rainfall, averaging 95 mm of rainfall and 75% relative humidity across the period.
July is one of the warmer months of the year in Brockton. Across 45 years of records, the warmest July in Brockton was 2022 — when the month averaged 25°C — while the coldest was 2000 at 20.2°C. Typical July days reach 27.9°C with nights near 17.4°C. The long-term trend is warming, about 0.5°C per decade.
July is about average for rainfall in Brockton, averaging 95 mm of rainfall. The wettest July on record was 2009 with 234 mm, while the driest was 2022 at 32 mm.
Relative humidity in Brockton during July averages 75%. The most humid July was 2021 at 84%, and the least humid was 1999 at 62%.
July receives about 5.9 kWh/m²/day of solar energy in Brockton. The sunniest Julys were 2018 and 2022 at 6.5 kWh/m²/day, and the cloudiest was 2021 at 4.6.
Average wind speed in Brockton during July is 0.3 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.3 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.7°C | 22.5°C | 22.0°C | 23.5°C | 23.7°C | +2°C |
| Avg High | 27.0°C | 28.2°C | 27.2°C | 28.7°C | 28.7°C | +1.7°C |
| Avg Low | 16.5°C | 16.9°C | 16.8°C | 18.3°C | 18.8°C | +2.3°C |
| Avg Rain | 108 mm | 76 mm | 98 mm | 89 mm | 114 mm | +6 mm |
July temperatures in Brockton have risen by about 1.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.3°C (1988) to a record high of 37.8°C (2002).
Rainfall in July is about average for rainfall, averaging 95 mm, with a wettest year of 234 mm.
One of the best times to visit Brockton
July is one of the best times to visit Brockton. Expect days averaging 27.9°C and nights around 17.4°C (mean 22.7°C) — warmer than Brockton's yearly average — with higher rainfall (95 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 | 29.4°C | 24.0°C | 18.6°C | 37.2°C | 13.0°C | 89 mm | 74% | 0.3 m/s | 5.9 |
| 2024 | 28.1°C | 23.6°C | 19.1°C | 32.7°C | 14.5°C | 88 mm | 80% | 0.3 m/s | 5.8 |
| 2023 | 27.8°C | 23.5°C | 19.1°C | 31.7°C | 14.5°C | 205 mm | 84% | 0.3 m/s | 5.4 |
| 2022 🔥 | 30.9°C | 25.0°C | 19.2°C | 36.5°C | 14.6°C | 32 mm | 64% | 0.3 m/s | 6.5 |
| 2021 | 25.8°C | 21.4°C | 17.0°C | 30.1°C | 12.0°C | 222 mm | 84% | 0.3 m/s | 4.6 |
| 2020 | 30.3°C | 24.9°C | 19.5°C | 36.1°C | 14.5°C | 50 mm | 72% | 0.3 m/s | 6.1 |
| 2019 | 28.4°C | 23.5°C | 18.6°C | 33.0°C | 14.8°C | 130 mm | 80% | 0.3 m/s | 6.4 |
| 2018 | 29.2°C | 23.7°C | 18.1°C | 35.7°C | 12.6°C | 78 mm | 75% | 0.3 m/s | 6.5 |
| 2017 | 26.3°C | 21.5°C | 16.7°C | 30.9°C | 12.6°C | 95 mm | 80% | 0.3 m/s | 5.7 |
| 2016 | 30.6°C | 24.5°C | 18.4°C | 34.9°C | 14.2°C | 59 mm | 66% | 0.3 m/s | 6.1 |
| 2015 | 28.2°C | 23.0°C | 17.7°C | 34.6°C | 13.2°C | 64 mm | 74% | 0.3 m/s | 5.9 |
| 2014 | 27.2°C | 22.4°C | 17.7°C | 30.9°C | 14.3°C | 130 mm | 76% | 0.3 m/s | 6.1 |
| 2013 | 28.1°C | 24.0°C | 20.0°C | 32.7°C | 15.7°C | 90 mm | 83% | 0.3 m/s | 5.5 |
| 2012 | 30.1°C | 24.3°C | 18.5°C | 35.7°C | 13.6°C | 84 mm | 68% | 0.3 m/s | 6.1 |
| 2011 | 28.8°C | 23.5°C | 18.2°C | 35.9°C | 13.9°C | 83 mm | 75% | 0.3 m/s | 6.3 |
| 2010 | 30.0°C | 24.5°C | 19.0°C | 36.8°C | 12.5°C | 78 mm | 70% | 0.3 m/s | 6.3 |
| 2009 🌧️ | 24.8°C | 20.3°C | 15.8°C | 28.6°C | 10.4°C | 234 mm | 83% | 0.3 m/s | 5.3 |
| 2008 | 28.7°C | 23.5°C | 18.4°C | 33.6°C | 15.6°C | 148 mm | 76% | 0.3 m/s | 5.8 |
| 2007 | 27.5°C | 22.3°C | 17.0°C | 33.5°C | 11.2°C | 83 mm | 75% | 0.3 m/s | 5.8 |
| 2006 | 27.2°C | 22.8°C | 18.4°C | 31.1°C | 14.5°C | 74 mm | 84% | 0.3 m/s | 5.8 |
| 2005 | 27.6°C | 22.4°C | 17.2°C | 34.2°C | 13.1°C | 73 mm | 76% | 0.3 m/s | 5.9 |
| 2004 | 27.0°C | 21.9°C | 16.8°C | 32.0°C | 14.4°C | 89 mm | 75% | 0.3 m/s | 5.2 |
| 2003 | 26.9°C | 22.2°C | 17.5°C | 29.7°C | 14.9°C | 71 mm | 80% | 0.3 m/s | 6 |
| 2002 | 30.5°C | 23.9°C | 17.3°C | 37.8°C | 12.0°C | 42 mm | 63% | 0.3 m/s | 6.2 |
| 2001 | 26.8°C | 20.8°C | 14.8°C | 35.4°C | 10.2°C | 60 mm | 69% | 0.3 m/s | 6.4 |
| 2000 ❄️ | 25.3°C | 20.2°C | 15.1°C | 29.3°C | 11.2°C | 106 mm | 76% | 0.3 m/s | 5.4 |
| 1999 | 31.4°C | 24.9°C | 18.4°C | 36.9°C | 13.0°C | 59 mm | 62% | 0.3 m/s | 6.1 |
| 1998 | 26.2°C | 21.3°C | 16.4°C | 29.7°C | 13.3°C | 42 mm | 80% | 0.3 m/s | 6 |
| 1997 | 28.8°C | 22.6°C | 16.4°C | 34.3°C | 13.2°C | 61 mm | 65% | 0.3 m/s | 6.2 |
| 1996 | 25.7°C | 20.9°C | 16.2°C | 28.9°C | 12.9°C | 146 mm | 78% | 0.3 m/s | 5.5 |
| 1995 | 30.0°C | 23.9°C | 17.9°C | 35.8°C | 12.7°C | 66 mm | 69% | 0.3 m/s | 5.6 |
| 1994 | 30.0°C | 24.4°C | 18.9°C | 34.1°C | 14.2°C | 57 mm | 72% | 0.3 m/s | 5.9 |
| 1993 | 28.9°C | 23.0°C | 17.1°C | 34.9°C | 12.2°C | 65 mm | 66% | 0.3 m/s | 6 |
| 1992 | 25.8°C | 20.3°C | 14.8°C | 29.8°C | 11.0°C | 92 mm | 75% | 0.3 m/s | 6 |
| 1991 | 29.0°C | 22.9°C | 16.8°C | 36.9°C | 12.1°C | 66 mm | 65% | 0.3 m/s | 5.6 |
| 1990 | 25.8°C | 21.2°C | 16.5°C | 30.2°C | 11.1°C | 107 mm | 80% | 0.3 m/s | 5.7 |
| 1989 | 25.6°C | 20.8°C | 15.9°C | 29.7°C | 12.5°C | 139 mm | 82% | 0.3 m/s | 5.7 |
| 1988 | 28.8°C | 23.2°C | 17.5°C | 35.2°C | 7.3°C | 182 mm | 76% | 0.3 m/s | 5.3 |
| 1987 | 28.2°C | 22.4°C | 16.6°C | 34.3°C | 13.1°C | 35 mm | 73% | 0.3 m/s | 5.6 |
| 1986 | 25.5°C | 20.5°C | 15.5°C | 31.2°C | 9.7°C | 135 mm | 79% | 0.3 m/s | 5.5 |
| 1985 | 27.9°C | 22.0°C | 16.2°C | 31.8°C | 11.4°C | 123 mm | 70% | 0.3 m/s | 6.4 |
| 1984 | 25.1°C | 20.7°C | 16.4°C | 29.2°C | 11.7°C | 138 mm | 84% | 0.3 m/s | 5.7 |
| 1983 | 27.0°C | 21.8°C | 16.6°C | 31.1°C | 10.8°C | 43 mm | 76% | 0.3 m/s | — |
| 1982 | 26.1°C | 21.0°C | 16.0°C | 30.3°C | 9.8°C | 82 mm | 80% | 0.3 m/s | — |
| 1981 | 29.0°C | 23.2°C | 17.4°C | 34.2°C | 13.2°C | 97 mm | 69% | 0.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 27.9°C with lows near 17.4°C (mean 22.7°C), based on 45 years of NASA POWER data.
July averages 95 mm of rainfall in Brockton, about average for rainfall. The wettest on record was 234 mm in 2009.
The hottest July reached 37.8°C in 2002. The coldest dipped to 7.3°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.8°C. Daytime highs moved from 27°C to 28.4°C and overnight lows from 16.5°C to 18.6°C over the same span.
July is one of the warmer months of the year in Brockton and about average for rainfall, so plan for around 27.9°C daytime highs and 17.4°C at night.
Not quite — July is the 12th coolest month in Brockton, averaging 22.7°C.
For July in Brockton, pack light layers you can adjust through the day, with typical highs of 27.9°C and lows of 17.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 75% — moderately humid.
Average wind speed in July is 0.3 m/s. The windiest July on record averaged 0.3 m/s (1981).
The wettest July on record was 2009 with 234 mm. On average, July sees 95 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 Brockton 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.