July is one of the warmer months of the year in Worcester, with average highs near 27.3°C and lows around 16.1°C (mean 21.7°C). It is about average for rainfall, averaging 107 mm of rainfall and 75% relative humidity across the period.
July is one of the warmer months of the year in Worcester. Across 45 years of records, the warmest July in Worcester was 2020 — when the month averaged 24.3°C — while the coldest was 2000 at 18.9°C. Typical July days reach 27.3°C with nights near 16.1°C. The long-term trend is warming, about 0.6°C per decade.
July is about average for rainfall in Worcester, averaging 107 mm of rainfall. The wettest July on record was 2021 with 292 mm, while the driest was 2002 at 45 mm.
Relative humidity in Worcester during July averages 75%. The most humid July was 2021 at 85%, and the least humid was 2022 at 63%.
July receives about 5.9 kWh/m²/day of solar energy in Worcester. 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 Worcester 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 2003, 2005 and 2013, among others at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.8°C | 21.4°C | 21.0°C | 22.6°C | 22.9°C | +2.1°C |
| Avg High | 26.4°C | 27.3°C | 26.5°C | 28.3°C | 28.3°C | +1.9°C |
| Avg Low | 15.2°C | 15.6°C | 15.6°C | 17.0°C | 17.6°C | +2.4°C |
| Avg Rain | 114 mm | 89 mm | 113 mm | 91 mm | 142 mm | +28 mm |
July temperatures in Worcester have risen by about 1.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 6.1°C (1988) to a record high of 37°C (2018).
Rainfall in July is about average for rainfall, averaging 107 mm, with a wettest year of 292 mm.
One of the best times to visit Worcester
July is one of the best times to visit Worcester. Expect days averaging 27.3°C and nights around 16.1°C (mean 21.7°C) — warmer than Worcester's yearly average — with higher rainfall (107 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 | 28.9°C | 23.2°C | 17.5°C | 36.0°C | 11.5°C | 92 mm | 75% | 0.1 m/s | 5.9 |
| 2024 | 28.2°C | 23.1°C | 18.1°C | 31.4°C | 14.1°C | 88 mm | 78% | 0.1 m/s | 5.8 |
| 2023 | 27.3°C | 22.7°C | 18.1°C | 33.3°C | 12.8°C | 252 mm | 84% | 0.1 m/s | 5.4 |
| 2022 | 30.3°C | 23.9°C | 17.5°C | 36.2°C | 11.9°C | 57 mm | 63% | 0.1 m/s | 6.5 |
| 2021 🌧️ | 24.8°C | 20.3°C | 15.8°C | 29.9°C | 9.8°C | 292 mm | 85% | 0.1 m/s | 4.6 |
| 2020 🔥 | 30.3°C | 24.3°C | 18.3°C | 35.8°C | 14.1°C | 73 mm | 71% | 0.1 m/s | 6.1 |
| 2019 | 28.9°C | 23.3°C | 17.6°C | 33.2°C | 12.3°C | 113 mm | 76% | 0.1 m/s | 6.4 |
| 2018 | 28.9°C | 22.9°C | 17.0°C | 37.0°C | 11.0°C | 131 mm | 75% | 0.1 m/s | 6.5 |
| 2017 | 25.8°C | 20.6°C | 15.5°C | 31.1°C | 11.4°C | 86 mm | 79% | 0.1 m/s | 5.7 |
| 2016 | 30.5°C | 23.9°C | 17.3°C | 35.1°C | 13.0°C | 53 mm | 64% | 0.1 m/s | 6.1 |
| 2015 | 27.8°C | 21.9°C | 16.1°C | 33.9°C | 10.8°C | 75 mm | 74% | 0.1 m/s | 5.9 |
| 2014 | 26.5°C | 21.3°C | 16.1°C | 30.6°C | 12.5°C | 165 mm | 77% | 0.1 m/s | 6.1 |
| 2013 | 27.6°C | 23.1°C | 18.7°C | 32.3°C | 13.5°C | 101 mm | 82% | 0 m/s | 5.5 |
| 2012 | 29.6°C | 23.4°C | 17.2°C | 35.8°C | 12.6°C | 61 mm | 68% | 0.1 m/s | 6.1 |
| 2011 | 27.8°C | 22.3°C | 16.8°C | 34.2°C | 12.9°C | 61 mm | 77% | 0.1 m/s | 6.3 |
| 2010 | 29.7°C | 23.7°C | 17.6°C | 35.7°C | 10.4°C | 67 mm | 69% | 0.1 m/s | 6.3 |
| 2009 | 24.1°C | 19.3°C | 14.4°C | 27.8°C | 10.1°C | 238 mm | 83% | 0.1 m/s | 5.3 |
| 2008 | 27.3°C | 22.1°C | 16.9°C | 31.8°C | 13.9°C | 185 mm | 79% | 0.1 m/s | 5.8 |
| 2007 | 26.4°C | 20.9°C | 15.5°C | 32.1°C | 9.6°C | 112 mm | 77% | 0.1 m/s | 5.8 |
| 2006 | 27.1°C | 22.2°C | 17.2°C | 31.0°C | 13.4°C | 95 mm | 83% | 0.1 m/s | 5.8 |
| 2005 | 27.0°C | 21.5°C | 16.1°C | 33.1°C | 11.6°C | 104 mm | 79% | 0 m/s | 5.9 |
| 2004 | 26.3°C | 21.0°C | 15.6°C | 31.4°C | 12.6°C | 109 mm | 77% | 0.1 m/s | 5.2 |
| 2003 | 27.0°C | 21.8°C | 16.5°C | 30.9°C | 13.7°C | 55 mm | 77% | 0 m/s | 6 |
| 2002 | 29.7°C | 22.9°C | 16.2°C | 35.9°C | 10.5°C | 45 mm | 66% | 0.1 m/s | 6.2 |
| 2001 | 26.2°C | 19.8°C | 13.3°C | 34.3°C | 9.1°C | 64 mm | 67% | 0.1 m/s | 6.4 |
| 2000 ❄️ | 24.0°C | 18.9°C | 13.8°C | 27.2°C | 10.4°C | 124 mm | 78% | 0.1 m/s | 5.4 |
| 1999 | 30.6°C | 23.8°C | 17.0°C | 35.3°C | 11.4°C | 65 mm | 64% | 0.1 m/s | 6.1 |
| 1998 | 25.7°C | 20.5°C | 15.4°C | 29.5°C | 12.2°C | 48 mm | 79% | 0.1 m/s | 6 |
| 1997 | 27.2°C | 20.9°C | 14.5°C | 32.1°C | 10.3°C | 83 mm | 70% | 0.1 m/s | 6.2 |
| 1996 | 24.6°C | 19.7°C | 14.9°C | 27.7°C | 11.0°C | 171 mm | 81% | 0.1 m/s | 5.5 |
| 1995 | 29.7°C | 23.2°C | 16.7°C | 35.1°C | 11.4°C | 86 mm | 69% | 0.1 m/s | 5.6 |
| 1994 | 28.7°C | 23.0°C | 17.2°C | 33.1°C | 11.6°C | 100 mm | 75% | 0.1 m/s | 5.9 |
| 1993 | 28.1°C | 22.0°C | 15.9°C | 33.7°C | 12.2°C | 70 mm | 68% | 0 m/s | 6 |
| 1992 | 24.8°C | 19.1°C | 13.5°C | 28.0°C | 8.9°C | 113 mm | 77% | 0.1 m/s | 6 |
| 1991 | 27.6°C | 21.4°C | 15.2°C | 35.5°C | 10.0°C | 73 mm | 69% | 0.1 m/s | 5.6 |
| 1990 | 25.9°C | 20.6°C | 15.3°C | 29.8°C | 9.8°C | 80 mm | 79% | 0.1 m/s | 5.7 |
| 1989 | 25.3°C | 20.2°C | 15.1°C | 30.0°C | 11.9°C | 114 mm | 81% | 0.1 m/s | 5.7 |
| 1988 | 28.2°C | 22.4°C | 16.6°C | 34.4°C | 6.1°C | 200 mm | 76% | 0.1 m/s | 5.3 |
| 1987 | 27.3°C | 21.4°C | 15.6°C | 33.3°C | 10.9°C | 48 mm | 75% | 0.1 m/s | 5.6 |
| 1986 | 25.1°C | 19.8°C | 14.5°C | 32.4°C | 8.0°C | 138 mm | 79% | 0.1 m/s | 5.5 |
| 1985 | 27.3°C | 20.9°C | 14.5°C | 30.5°C | 9.5°C | 119 mm | 69% | 0.1 m/s | 6.4 |
| 1984 | 24.6°C | 19.8°C | 15.0°C | 29.6°C | 11.0°C | 137 mm | 84% | 0 m/s | 5.7 |
| 1983 | 26.5°C | 20.8°C | 15.2°C | 30.3°C | 9.3°C | 51 mm | 77% | 0.1 m/s | — |
| 1982 | 25.7°C | 20.1°C | 14.5°C | 30.4°C | 8.2°C | 97 mm | 79% | 0.1 m/s | — |
| 1981 | 27.8°C | 21.7°C | 15.6°C | 32.6°C | 10.9°C | 126 mm | 71% | 0.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 27.3°C with lows near 16.1°C (mean 21.7°C), based on 45 years of NASA POWER data.
July averages 107 mm of rainfall in Worcester, about average for rainfall. The wettest on record was 292 mm in 2021.
The hottest July reached 37°C in 2018. The coldest dipped to 6.1°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.9°C. Daytime highs moved from 26.4°C to 27.9°C and overnight lows from 15°C to 17.4°C over the same span.
July is one of the warmer months of the year in Worcester and about average for rainfall, so plan for around 27.3°C daytime highs and 16.1°C at night.
Not quite — July is the 12th coolest month in Worcester, averaging 21.7°C.
For July in Worcester, pack light layers you can adjust through the day, with typical highs of 27.3°C and lows of 16.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 75% — 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 292 mm. On average, July sees 107 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 Worcester 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.
