August is one of the cooler months of the year in Peterborough, with average highs near 15.4°C and lows around 4°C (mean 9.7°C). It is about average for rainfall, averaging 35 mm of rainfall and 72% relative humidity across the period.
August is one of the cooler months of the year in Peterborough. Across 45 years of records, the warmest August in Peterborough was 2024 — when the month averaged 12.9°C — while the coldest was 1989 at 7.1°C. Typical August days reach 15.4°C with nights near 4°C. The long-term trend is warming, about 0.3°C per decade.
August is about average for rainfall in Peterborough, averaging 35 mm of rainfall. The wettest August on record was 1985 with 113 mm, while the driest was 2006 at 3 mm.
Relative humidity in Peterborough during August averages 72%. The most humid August was 1989 at 83%, and the least humid was 1982 at 54%.
August receives about 3.9 kWh/m²/day of solar energy in Peterborough. The sunniest Augusts were 1994, 2006 and 2007 at 4.4 kWh/m²/day, and the cloudiest were 2003, 2008 and 2010, among others at 3.6.
Average wind speed in Peterborough during August is 3.2 m/s. The windiest August was 1990 at 4.1 m/s, while the calmest was 2014 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.3°C | 9.4°C | 9.7°C | 9.7°C | 10.8°C | +1.5°C |
| Avg High | 14.8°C | 15.0°C | 15.7°C | 15.3°C | 16.7°C | +1.9°C |
| Avg Low | 3.7°C | 3.8°C | 3.8°C | 4.0°C | 4.9°C | +1.2°C |
| Avg Rain | 45 mm | 37 mm | 35 mm | 33 mm | 23 mm | -22 mm |
August temperatures in Peterborough have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -2°C (1999) to a record high of 27.2°C (2024).
Rainfall in August is about average for rainfall, averaging 35 mm, with a wettest year of 113 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit Peterborough
If your dates are flexible, the more temperate months of December and March tend to be the most comfortable for visiting Peterborough. That said, August — with days averaging 15.4°C and nights around 4°C (mean 9.7°C) and moderate rainfall (35 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 16.0°C | 10.1°C | 4.3°C | 25.3°C | 0.9°C | 18 mm | 70% | 3.2 m/s | 3.8 |
| 2024 🔥 | 19.1°C | 12.9°C | 6.8°C | 27.2°C | 2.3°C | 17 mm | 65% | 3.4 m/s | 3.9 |
| 2023 | 18.3°C | 11.8°C | 5.2°C | 25.7°C | 0.9°C | 22 mm | 68% | 2.7 m/s | 4.1 |
| 2022 | 15.3°C | 10.1°C | 4.9°C | 22.0°C | 0.9°C | 38 mm | 74% | 3.7 m/s | 3.7 |
| 2021 | 16.4°C | 10.4°C | 4.4°C | 23.5°C | 0.3°C | 14 mm | 70% | 2.8 m/s | 4.1 |
| 2020 | 15.0°C | 9.5°C | 4.0°C | 23.6°C | 0.0°C | 27 mm | 70% | 3.3 m/s | 3.7 |
| 2019 | 15.7°C | 9.4°C | 3.0°C | 22.1°C | 0.2°C | 13 mm | 68% | 3.2 m/s | 4.3 |
| 2018 | 16.0°C | 10.2°C | 4.4°C | 23.5°C | 0.5°C | 30 mm | 64% | 3.9 m/s | 4 |
| 2017 | 15.4°C | 9.6°C | 3.7°C | 21.5°C | -1.2°C | 36 mm | 69% | 3.4 m/s | 3.7 |
| 2016 | 16.0°C | 10.1°C | 4.2°C | 21.8°C | 0.5°C | 38 mm | 69% | 3 m/s | 4.1 |
| 2015 | 14.6°C | 9.3°C | 4.0°C | 19.6°C | 0.3°C | 49 mm | 79% | 2.9 m/s | 3.7 |
| 2014 | 15.3°C | 9.1°C | 2.8°C | 22.2°C | -1.5°C | 10 mm | 71% | 2.4 m/s | 4.1 |
| 2013 | 15.5°C | 10.3°C | 5.2°C | 23.1°C | 1.5°C | 29 mm | 79% | 3.4 m/s | 3.8 |
| 2012 | 14.7°C | 9.2°C | 3.8°C | 21.0°C | 0.4°C | 25 mm | 73% | 3.3 m/s | 3.9 |
| 2011 | 16.8°C | 11.2°C | 5.6°C | 23.5°C | 1.9°C | 40 mm | 73% | 2.9 m/s | 3.8 |
| 2010 | 13.3°C | 8.4°C | 3.5°C | 19.7°C | -0.2°C | 60 mm | 79% | 3.7 m/s | 3.6 |
| 2009 | 17.2°C | 11.3°C | 5.4°C | 25.4°C | 1.1°C | 22 mm | 70% | 3.6 m/s | 3.9 |
| 2008 | 12.8°C | 7.7°C | 2.6°C | 17.9°C | -0.3°C | 44 mm | 78% | 3.1 m/s | 3.6 |
| 2007 | 17.4°C | 10.9°C | 4.4°C | 26.6°C | 0.9°C | 13 mm | 65% | 3.1 m/s | 4.4 |
| 2006 | 18.0°C | 11.0°C | 4.0°C | 25.0°C | -0.2°C | 3 mm | 67% | 2.5 m/s | 4.4 |
| 2005 | 16.5°C | 10.3°C | 4.2°C | 24.2°C | 0.2°C | 32 mm | 69% | 3.4 m/s | 4 |
| 2004 | 15.4°C | 9.6°C | 3.8°C | 25.9°C | -0.9°C | 51 mm | 73% | 3.3 m/s | 3.7 |
| 2003 | 14.2°C | 8.5°C | 2.9°C | 22.4°C | -1.0°C | 62 mm | 71% | 3.5 m/s | 3.6 |
| 2002 | 15.8°C | 9.2°C | 2.6°C | 21.6°C | -0.9°C | 14 mm | 65% | 2.9 m/s | 4.2 |
| 2001 | 15.1°C | 9.6°C | 4.1°C | 21.6°C | 0.5°C | 50 mm | 73% | 3.7 m/s | 3.6 |
| 2000 | 14.2°C | 9.1°C | 4.0°C | 19.7°C | 0.7°C | 58 mm | 74% | 3.1 m/s | 3.6 |
| 1999 | 16.4°C | 10.2°C | 3.9°C | 24.8°C | -2.0°C | 29 mm | 68% | 3.1 m/s | 4.1 |
| 1998 | 15.9°C | 10.3°C | 4.7°C | 22.8°C | 0.9°C | 40 mm | 74% | 2.9 m/s | 3.7 |
| 1997 | 14.2°C | 8.7°C | 3.2°C | 19.7°C | 0.4°C | 40 mm | 70% | 3 m/s | 3.6 |
| 1996 | 14.3°C | 9.3°C | 4.4°C | 20.5°C | -0.2°C | 49 mm | 76% | 3.3 m/s | 3.9 |
| 1995 | 16.5°C | 10.5°C | 4.4°C | 24.8°C | 0.3°C | 17 mm | 70% | 2.9 m/s | 4 |
| 1994 | 14.8°C | 8.6°C | 2.4°C | 22.0°C | -1.4°C | 7 mm | 69% | 2.5 m/s | 4.4 |
| 1993 | 17.0°C | 10.8°C | 4.6°C | 22.4°C | -1.0°C | 30 mm | 65% | 3.3 m/s | 4.1 |
| 1992 | 13.8°C | 8.4°C | 3.1°C | 20.8°C | -0.5°C | 74 mm | 73% | 3.6 m/s | 3.8 |
| 1991 | 14.0°C | 8.9°C | 3.8°C | 20.6°C | -0.2°C | 38 mm | 76% | 4 m/s | 3.6 |
| 1990 | 12.9°C | 8.4°C | 3.8°C | 17.7°C | 1.2°C | 46 mm | 80% | 4.1 m/s | 3.6 |
| 1989 ❄️ | 11.8°C | 7.1°C | 2.4°C | 18.5°C | -1.7°C | 31 mm | 83% | 3.3 m/s | 4 |
| 1988 | 15.7°C | 9.7°C | 3.7°C | 24.0°C | -0.9°C | 11 mm | 71% | 3.2 m/s | 4.1 |
| 1987 | 14.7°C | 9.4°C | 4.1°C | 20.6°C | -0.1°C | 40 mm | 76% | 3.1 m/s | 3.9 |
| 1986 | 13.4°C | 8.3°C | 3.2°C | 18.4°C | -0.1°C | 67 mm | 78% | 3.2 m/s | 3.8 |
| 1985 🌧️ | 14.0°C | 8.6°C | 3.3°C | 21.1°C | 0.2°C | 113 mm | 77% | 3.4 m/s | 3.7 |
| 1984 | 14.2°C | 9.0°C | 3.9°C | 19.5°C | 0.1°C | 57 mm | 76% | 4 m/s | 3.9 |
| 1983 | 16.0°C | 9.9°C | 3.9°C | 22.1°C | -0.9°C | 35 mm | 73% | 2.9 m/s | — |
| 1982 | 19.8°C | 12.5°C | 5.2°C | 26.3°C | -0.5°C | 7 mm | 54% | 2.5 m/s | — |
| 1981 | 13.9°C | 8.9°C | 3.9°C | 17.3°C | -1.1°C | 44 mm | 77% | 3.9 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 15.4°C with lows near 4°C (mean 9.7°C), based on 45 years of NASA POWER data.
August averages 35 mm of rainfall in Peterborough, about average for rainfall. The wettest on record was 113 mm in 1985.
The hottest August reached 27.2°C in 2024. The coldest dipped to -2°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.3°C. Daytime highs moved from 15.6°C to 17°C and overnight lows from 4°C to 5.1°C over the same span.
August is one of the cooler months of the year in Peterborough and about average for rainfall, so plan for around 15.4°C daytime highs and 4°C at night.
Not quite — August is the 3rd coolest month in Peterborough, averaging 9.7°C.
For August in Peterborough, pack warm layers and a jacket for chilly mornings, with typical highs of 15.4°C and lows of 4°C.
Relative humidity in August averages 72% — moderately humid.
Average wind speed in August is 3.2 m/s. The windiest August on record averaged 4.1 m/s (1990).
The wettest August on record was 1985 with 113 mm. On average, August sees 35 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 Peterborough 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.
