August is one of the warmer months of the year in Bideford, with average highs near 18.4°C and lows around 13.9°C (mean 16.2°C). It is one of the drier months, averaging 81 mm of rainfall and 85% relative humidity across the period.
August is one of the warmer months of the year in Bideford. Across 45 years of records, the warmest August in Bideford was 1995 — when the month averaged 18.6°C — while the coldest was 1986 at 13.7°C. Typical August days reach 18.4°C with nights near 13.9°C. The long-term trend is warming, about 0.2°C per decade.
August is one of the drier months in Bideford, averaging 81 mm of rainfall. The wettest August on record was 2015 with 178 mm, while the driest was 1995 at 14 mm.
Relative humidity in Bideford during August averages 85%. The most humid Augusts were 1997 and 2002 at 88%, and the least humid was 1995 at 79%.
August receives about 4.6 kWh/m²/day of solar energy in Bideford. The sunniest August was 1995 at 5.3 kWh/m²/day, and the cloudiest was 2008 at 3.7.
Average wind speed in Bideford during August is 4.1 m/s. The windiest August was 1985 at 5.7 m/s, while the calmest was 1981 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.7°C | 16.3°C | 16.2°C | 15.9°C | 17.0°C | +1.3°C |
| Avg High | 18.1°C | 18.7°C | 18.3°C | 18.0°C | 19.3°C | +1.2°C |
| Avg Low | 13.3°C | 13.8°C | 13.9°C | 13.9°C | 14.6°C | +1.3°C |
| Avg Rain | 67 mm | 77 mm | 74 mm | 106 mm | 74 mm | +7 mm |
August temperatures in Bideford have risen by about 0.9°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 9.5°C (1986) to a record high of 27.9°C (1990).
Rainfall in August is one of the drier months, averaging 81 mm, with a wettest year of 178 mm.
One of the best times to visit Bideford
August is one of the best times to visit Bideford. Expect days averaging 18.4°C and nights around 13.9°C (mean 16.2°C) — warmer than Bideford's yearly average — with higher rainfall (81 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 | 20.1°C | 17.6°C | 15.0°C | 24.7°C | 13.3°C | 52 mm | 82% | 4.1 m/s | 4.8 |
| 2024 | 18.8°C | 16.6°C | 14.4°C | 23.0°C | 12.4°C | 60 mm | 86% | 4.7 m/s | 4.4 |
| 2023 | 18.5°C | 16.5°C | 14.4°C | 21.4°C | 12.8°C | 96 mm | 87% | 4.4 m/s | 4.4 |
| 2022 | 21.1°C | 18.2°C | 15.3°C | 26.5°C | 12.3°C | 41 mm | 80% | 3.4 m/s | 5.2 |
| 2021 | 18.2°C | 15.9°C | 13.5°C | 20.1°C | 11.9°C | 58 mm | 87% | 4.1 m/s | 4.5 |
| 2020 | 19.0°C | 16.9°C | 14.8°C | 24.4°C | 11.3°C | 138 mm | 87% | 4.3 m/s | 4.2 |
| 2019 | 18.8°C | 16.7°C | 14.5°C | 22.9°C | 12.8°C | 104 mm | 85% | 4.8 m/s | 4.8 |
| 2018 | 18.7°C | 16.5°C | 14.4°C | 23.0°C | 11.5°C | 100 mm | 85% | 4 m/s | 4.2 |
| 2017 | 17.6°C | 15.6°C | 13.6°C | 21.4°C | 12.0°C | 91 mm | 85% | 4.3 m/s | 4.5 |
| 2016 | 18.6°C | 16.4°C | 14.2°C | 21.7°C | 12.0°C | 97 mm | 86% | 4.5 m/s | 4.6 |
| 2015 🌧️ | 17.6°C | 15.4°C | 13.2°C | 20.2°C | 11.7°C | 178 mm | 85% | 4.2 m/s | 4.5 |
| 2014 | 17.2°C | 15.3°C | 13.4°C | 19.8°C | 10.7°C | 114 mm | 81% | 4.8 m/s | 4.9 |
| 2013 | 18.8°C | 16.5°C | 14.3°C | 21.8°C | 12.3°C | 85 mm | 85% | 4 m/s | 4.7 |
| 2012 | 18.1°C | 16.2°C | 14.3°C | 21.5°C | 11.1°C | 125 mm | 87% | 4.7 m/s | 4.3 |
| 2011 | 17.0°C | 15.1°C | 13.1°C | 19.4°C | 11.3°C | 80 mm | 84% | 3.9 m/s | 4.5 |
| 2010 | 17.7°C | 15.6°C | 13.6°C | 20.5°C | 10.2°C | 89 mm | 85% | 4.5 m/s | 4.6 |
| 2009 | 18.2°C | 16.2°C | 14.2°C | 20.5°C | 12.4°C | 63 mm | 86% | 4.7 m/s | 4.4 |
| 2008 | 17.6°C | 15.9°C | 14.1°C | 20.6°C | 11.3°C | 133 mm | 88% | 5.2 m/s | 3.7 |
| 2007 | 18.0°C | 15.6°C | 13.3°C | 20.4°C | 11.7°C | 71 mm | 85% | 4.4 m/s | 4.8 |
| 2006 | 17.8°C | 15.9°C | 14.0°C | 20.6°C | 12.2°C | 53 mm | 85% | 4.5 m/s | 4.7 |
| 2005 | 18.2°C | 15.8°C | 13.3°C | 21.6°C | 11.1°C | 53 mm | 86% | 3.8 m/s | 5 |
| 2004 | 18.7°C | 16.6°C | 14.5°C | 23.0°C | 12.0°C | 136 mm | 86% | 4 m/s | 4.7 |
| 2003 | 20.1°C | 17.4°C | 14.6°C | 25.1°C | 10.8°C | 37 mm | 85% | 3.1 m/s | 4.8 |
| 2002 | 17.8°C | 15.6°C | 13.4°C | 19.5°C | 12.4°C | 55 mm | 88% | 3.3 m/s | 4.5 |
| 2001 | 18.4°C | 16.2°C | 13.9°C | 21.9°C | 11.6°C | 71 mm | 87% | 4 m/s | 4.3 |
| 2000 | 18.5°C | 16.3°C | 14.2°C | 22.1°C | 12.1°C | 70 mm | 86% | 3.9 m/s | 4.4 |
| 1999 | 18.5°C | 16.3°C | 14.0°C | 21.8°C | 11.9°C | 137 mm | 87% | 3.5 m/s | 4.5 |
| 1998 | 18.0°C | 15.5°C | 13.1°C | 22.4°C | 11.1°C | 46 mm | 86% | 4 m/s | 4.9 |
| 1997 | 20.0°C | 17.8°C | 15.6°C | 23.3°C | 12.8°C | 125 mm | 88% | 3.4 m/s | 4 |
| 1996 | 17.8°C | 15.3°C | 12.9°C | 21.2°C | 11.7°C | 87 mm | 86% | 4.1 m/s | 4.5 |
| 1995 🔥 | 21.8°C | 18.6°C | 15.4°C | 26.6°C | 12.5°C | 14 mm | 79% | 3.3 m/s | 5.3 |
| 1994 | 17.8°C | 15.6°C | 13.4°C | 20.5°C | 10.4°C | 99 mm | 85% | 4.1 m/s | 4.4 |
| 1993 | 17.1°C | 14.8°C | 12.5°C | 19.6°C | 10.3°C | 40 mm | 84% | 3.7 m/s | 4.8 |
| 1992 | 17.4°C | 15.3°C | 13.3°C | 19.5°C | 10.3°C | 144 mm | 84% | 5 m/s | 4.3 |
| 1991 | 18.9°C | 16.2°C | 13.4°C | 21.8°C | 11.9°C | 28 mm | 86% | 3.6 m/s | 4.6 |
| 1990 | 19.8°C | 17.2°C | 14.6°C | 27.9°C | 12.7°C | 50 mm | 83% | 3.8 m/s | 4.6 |
| 1989 | 19.0°C | 16.6°C | 14.1°C | 21.4°C | 11.6°C | 50 mm | 82% | 4.3 m/s | 4.9 |
| 1988 | 17.2°C | 14.8°C | 12.5°C | 22.9°C | 10.7°C | 84 mm | 85% | 4.4 m/s | 4.4 |
| 1987 | 17.9°C | 15.7°C | 13.4°C | 21.5°C | 10.6°C | 34 mm | 85% | 3.6 m/s | 4.6 |
| 1986 ❄️ | 15.8°C | 13.7°C | 11.6°C | 18.3°C | 9.5°C | 130 mm | 84% | 4.3 m/s | 4.1 |
| 1985 | 16.4°C | 14.6°C | 12.7°C | 20.7°C | 10.8°C | 136 mm | 86% | 5.7 m/s | 4.3 |
| 1984 | 19.9°C | 17.2°C | 14.4°C | 24.2°C | 11.5°C | 51 mm | 83% | 3.1 m/s | 4.8 |
| 1983 | 19.8°C | 16.9°C | 14.1°C | 23.3°C | 11.1°C | 28 mm | 83% | 3.2 m/s | — |
| 1982 | 17.5°C | 15.5°C | 13.4°C | 20.8°C | 11.2°C | 67 mm | 85% | 4.7 m/s | — |
| 1981 | 19.0°C | 16.3°C | 13.6°C | 22.2°C | 11.0°C | 23 mm | 85% | 3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 18.4°C with lows near 13.9°C (mean 16.2°C), based on 45 years of NASA POWER data.
August averages 81 mm of rainfall in Bideford, one of the drier months. The wettest on record was 178 mm in 2015.
The hottest August reached 27.9°C in 1990. The coldest dipped to 9.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.9°C. Daytime highs moved from 18.5°C to 19.3°C and overnight lows from 13.6°C to 14.5°C over the same span.
August is one of the warmer months of the year in Bideford and one of the drier months, so plan for around 18.4°C daytime highs and 13.9°C at night.
Not quite — August is the 12th coolest month in Bideford, averaging 16.2°C.
For August in Bideford, pack light layers you can adjust through the day, with typical highs of 18.4°C and lows of 13.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 85% — quite humid.
Average wind speed in August is 4.1 m/s. The windiest August on record averaged 5.7 m/s (1985).
The wettest August on record was 2015 with 178 mm. On average, August sees 81 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 Bideford 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.
