August is one of the warmer months of the year in Worcester, with average highs near 27°C and lows around 15.2°C (mean 21.1°C). It is about average for rainfall, averaging 98 mm of rainfall and 73% relative humidity across the period.
August is one of the warmer months of the year in Worcester. Across 45 years of records, the warmest August in Worcester was 2022 — when the month averaged 24.4°C — while the coldest was 1982 at 18.4°C. Typical August days reach 27°C with nights near 15.2°C. The long-term trend is warming, about 0.5°C per decade.
August is about average for rainfall in Worcester, averaging 98 mm of rainfall. The wettest August on record was 2011 with 242 mm, while the driest was 1984 at 34 mm.
Relative humidity in Worcester during August averages 73%. The most humid August was 2009 at 82%, and the least humid was 2002 at 60%.
August receives about 5.2 kWh/m²/day of solar energy in Worcester. The sunniest Augusts were 2002 and 2025 at 5.8 kWh/m²/day, and the cloudiest was 2021 at 4.7.
Average wind speed in Worcester during August is 0.1 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2006 and 2018 at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.0°C | 20.8°C | 21.5°C | 21.6°C | 22.0°C | +2°C |
| Avg High | 25.9°C | 26.8°C | 27.2°C | 27.4°C | 27.8°C | +1.9°C |
| Avg Low | 14.1°C | 14.7°C | 15.7°C | 15.8°C | 16.2°C | +2.1°C |
| Avg Rain | 91 mm | 109 mm | 87 mm | 110 mm | 89 mm | -1 mm |
August temperatures in Worcester have risen by about 1.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 4.9°C (1982) to a record high of 37.9°C (2002).
Rainfall in August is about average for rainfall, averaging 98 mm, with a wettest year of 242 mm.
One of the best times to visit Worcester
August is one of the best times to visit Worcester. Expect days averaging 27°C and nights around 15.2°C (mean 21.1°C) — warmer than Worcester's yearly average — with higher rainfall (98 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 | 28.5°C | 21.6°C | 14.7°C | 35.5°C | 9.9°C | 38 mm | 63% | 0.1 m/s | 5.8 |
| 2024 | 26.4°C | 20.8°C | 15.3°C | 32.2°C | 10.4°C | 115 mm | 77% | 0.1 m/s | 4.8 |
| 2023 | 24.8°C | 19.9°C | 15.1°C | 27.6°C | 10.8°C | 142 mm | 82% | 0.1 m/s | 4.9 |
| 2022 🔥 | 30.7°C | 24.4°C | 18.1°C | 37.3°C | 13.4°C | 59 mm | 65% | 0.1 m/s | 5.5 |
| 2021 | 27.1°C | 22.2°C | 17.3°C | 32.1°C | 11.4°C | 120 mm | 82% | 0.1 m/s | 4.7 |
| 2020 | 29.3°C | 23.0°C | 16.7°C | 35.2°C | 10.5°C | 61 mm | 65% | 0.1 m/s | 5.2 |
| 2019 | 27.5°C | 21.5°C | 15.5°C | 31.4°C | 9.1°C | 100 mm | 72% | 0.1 m/s | 5.6 |
| 2018 | 27.6°C | 22.6°C | 17.6°C | 33.0°C | 12.6°C | 156 mm | 82% | 0 m/s | 5 |
| 2017 | 25.9°C | 20.3°C | 14.6°C | 30.3°C | 9.7°C | 72 mm | 74% | 0.1 m/s | 5.4 |
| 2016 | 29.9°C | 23.5°C | 17.2°C | 35.8°C | 11.5°C | 83 mm | 67% | 0.1 m/s | 5.7 |
| 2015 | 29.1°C | 22.7°C | 16.4°C | 34.3°C | 12.7°C | 68 mm | 69% | 0.1 m/s | 5.5 |
| 2014 | 25.9°C | 20.0°C | 14.2°C | 31.1°C | 10.5°C | 86 mm | 74% | 0.1 m/s | 5.4 |
| 2013 | 25.7°C | 20.1°C | 14.5°C | 29.8°C | 10.4°C | 90 mm | 76% | 0.1 m/s | 5.5 |
| 2012 | 28.4°C | 22.3°C | 16.1°C | 34.3°C | 11.4°C | 116 mm | 71% | 0.1 m/s | 5.6 |
| 2011 🌧️ | 26.2°C | 20.9°C | 15.7°C | 31.4°C | 11.8°C | 242 mm | 79% | 0.1 m/s | 5 |
| 2010 | 28.1°C | 22.1°C | 16.0°C | 34.6°C | 11.1°C | 89 mm | 69% | 0.1 m/s | 5.1 |
| 2009 | 26.1°C | 21.2°C | 16.2°C | 30.4°C | 11.0°C | 92 mm | 82% | 0.1 m/s | 5.3 |
| 2008 | 24.7°C | 19.2°C | 13.8°C | 27.6°C | 9.1°C | 102 mm | 80% | 0.1 m/s | 5.3 |
| 2007 | 28.5°C | 21.8°C | 15.1°C | 34.9°C | 8.7°C | 37 mm | 67% | 0.1 m/s | 5.4 |
| 2006 | 25.1°C | 19.9°C | 14.7°C | 32.6°C | 9.1°C | 109 mm | 79% | 0 m/s | 5.2 |
| 2005 | 29.0°C | 23.1°C | 17.1°C | 33.8°C | 12.5°C | 80 mm | 72% | 0.1 m/s | 5.2 |
| 2004 | 26.3°C | 20.8°C | 15.3°C | 32.4°C | 9.0°C | 124 mm | 78% | 0.1 m/s | 5.1 |
| 2003 | 27.5°C | 22.2°C | 17.0°C | 31.6°C | 9.8°C | 128 mm | 78% | 0.1 m/s | 4.8 |
| 2002 | 30.4°C | 23.5°C | 16.5°C | 37.9°C | 8.9°C | 62 mm | 60% | 0.1 m/s | 5.8 |
| 2001 | 29.7°C | 23.3°C | 16.8°C | 36.9°C | 11.8°C | 66 mm | 67% | 0.1 m/s | 5.2 |
| 2000 | 25.0°C | 19.5°C | 14.1°C | 30.4°C | 9.6°C | 74 mm | 80% | 0.1 m/s | 4.9 |
| 1999 | 27.6°C | 21.3°C | 15.0°C | 34.0°C | 10.1°C | 65 mm | 65% | 0.1 m/s | 5 |
| 1998 | 27.4°C | 21.4°C | 15.4°C | 32.0°C | 9.2°C | 58 mm | 73% | 0.1 m/s | 5.2 |
| 1997 | 26.0°C | 20.1°C | 14.2°C | 32.7°C | 11.2°C | 110 mm | 73% | 0.1 m/s | 5.1 |
| 1996 | 26.8°C | 20.8°C | 14.8°C | 30.4°C | 11.1°C | 39 mm | 75% | 0.1 m/s | 5.3 |
| 1995 | 28.8°C | 21.6°C | 14.5°C | 35.3°C | 9.5°C | 61 mm | 63% | 0.1 m/s | 5.5 |
| 1994 | 25.8°C | 19.9°C | 13.9°C | 31.4°C | 8.7°C | 142 mm | 75% | 0.1 m/s | 5.1 |
| 1993 | 28.8°C | 22.0°C | 15.2°C | 35.4°C | 9.9°C | 64 mm | 68% | 0.1 m/s | 5.5 |
| 1992 | 24.9°C | 19.2°C | 13.5°C | 30.7°C | 8.7°C | 123 mm | 77% | 0.1 m/s | 5.1 |
| 1991 | 26.6°C | 20.9°C | 15.2°C | 31.3°C | 10.8°C | 224 mm | 76% | 0.1 m/s | 5.2 |
| 1990 | 25.6°C | 20.5°C | 15.3°C | 32.4°C | 9.0°C | 209 mm | 80% | 0.1 m/s | 5 |
| 1989 | 24.4°C | 19.3°C | 14.2°C | 29.2°C | 6.8°C | 154 mm | 80% | 0.1 m/s | 5.1 |
| 1988 | 27.7°C | 21.7°C | 15.7°C | 34.4°C | 6.6°C | 89 mm | 73% | 0.1 m/s | 5.2 |
| 1987 | 26.0°C | 19.6°C | 13.2°C | 34.7°C | 7.3°C | 91 mm | 69% | 0.1 m/s | 5.3 |
| 1986 | 24.1°C | 18.7°C | 13.3°C | 27.6°C | 4.9°C | 98 mm | 77% | 0.1 m/s | 4.9 |
| 1985 | 25.8°C | 19.7°C | 13.6°C | 32.1°C | 9.2°C | 126 mm | 73% | 0.1 m/s | 5 |
| 1984 | 26.5°C | 20.9°C | 15.2°C | 31.0°C | 8.6°C | 34 mm | 79% | 0.1 m/s | 5.7 |
| 1983 | 27.4°C | 21.1°C | 14.8°C | 32.3°C | 9.3°C | 108 mm | 72% | 0.1 m/s | — |
| 1982 ❄️ | 24.2°C | 18.4°C | 12.7°C | 28.0°C | 4.9°C | 71 mm | 75% | 0.1 m/s | — |
| 1981 | 27.4°C | 20.6°C | 13.8°C | 32.1°C | 7.9°C | 47 mm | 66% | 0.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 27°C with lows near 15.2°C (mean 21.1°C), based on 45 years of NASA POWER data.
August averages 98 mm of rainfall in Worcester, about average for rainfall. The wettest on record was 242 mm in 2011.
The hottest August reached 37.9°C in 2002. The coldest dipped to 4.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.7°C. Daytime highs moved from 26.3°C to 27.5°C and overnight lows from 14°C to 16.1°C over the same span.
August is one of the warmer months of the year in Worcester and about average for rainfall, so plan for around 27°C daytime highs and 15.2°C at night.
Not quite — August is the 11th coolest month in Worcester, averaging 21.1°C.
For August in Worcester, pack light layers you can adjust through the day, with typical highs of 27°C and lows of 15.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 73% — moderately humid.
Average wind speed in August is 0.1 m/s. The windiest August on record averaged 0.1 m/s (1981).
The wettest August on record was 2011 with 242 mm. On average, August sees 98 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 August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.