July is one of the warmer months of the year in Barnstaple, with average highs near 19.3°C and lows around 12.3°C (mean 15.8°C). It is one of the drier months, averaging 75 mm of rainfall and 84% relative humidity across the period.
July is one of the warmer months of the year in Barnstaple. Across 45 years of records, the warmest July in Barnstaple was 1983 — when the month averaged 18.3°C — while the coldest was 1988 at 13.9°C. Typical July days reach 19.3°C with nights near 12.3°C. The long-term July temperature trend is broadly flat.
July is one of the drier months in Barnstaple, averaging 75 mm of rainfall. The wettest July on record was 2009 with 178 mm, while the driest was 2022 at 22 mm.
Relative humidity in Barnstaple during July averages 84%. The most humid July was 2002 at 87%, and the least humid was 1990 at 78%.
July receives about 5.5 kWh/m²/day of solar energy in Barnstaple. The sunniest July was 2013 at 6.5 kWh/m²/day, and the cloudiest was 2003 at 4.6.
Average wind speed in Barnstaple during July is 3.3 m/s. The windiest July was 1988 at 4.5 m/s, while the calmest was 1983 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.7°C | 15.7°C | 15.5°C | 16.0°C | 16.2°C | +0.5°C |
| Avg High | 19.3°C | 19.4°C | 18.8°C | 19.5°C | 19.7°C | +0.4°C |
| Avg Low | 12.0°C | 12.1°C | 12.2°C | 12.5°C | 12.8°C | +0.8°C |
| Avg Rain | 60 mm | 59 mm | 102 mm | 71 mm | 84 mm | +25 mm |
July temperatures in Barnstaple have risen by about 0.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7°C (1996) to a record high of 27.7°C (1983).
Rainfall in July is one of the drier months, averaging 75 mm, with a wettest year of 178 mm.
One of the best times to visit Barnstaple
July is one of the best times to visit Barnstaple. Expect days averaging 19.3°C and nights around 12.3°C (mean 15.8°C) — warmer than Barnstaple's yearly average — with moderate rainfall (75 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 | 20.7°C | 17.1°C | 13.6°C | 27.2°C | 11.6°C | 48 mm | 83% | 3.1 m/s | 5.7 |
| 2024 | 19.1°C | 15.7°C | 12.3°C | 25.1°C | 10.0°C | 112 mm | 85% | 3.1 m/s | 5.1 |
| 2023 | 18.5°C | 15.6°C | 12.6°C | 22.0°C | 10.4°C | 132 mm | 85% | 4.3 m/s | 5.3 |
| 2022 | 21.0°C | 16.9°C | 12.8°C | 27.5°C | 9.8°C | 22 mm | 81% | 3 m/s | 5.8 |
| 2021 | 20.5°C | 17.0°C | 13.4°C | 27.3°C | 10.7°C | 123 mm | 84% | 2.8 m/s | 5.6 |
| 2020 | 18.3°C | 15.1°C | 11.9°C | 23.4°C | 8.5°C | 69 mm | 85% | 3.9 m/s | 5.4 |
| 2019 | 20.3°C | 16.6°C | 12.9°C | 24.9°C | 9.4°C | 44 mm | 83% | 2.8 m/s | 5.9 |
| 2018 | 21.8°C | 17.7°C | 13.6°C | 24.9°C | 11.9°C | 44 mm | 82% | 2.5 m/s | 6.2 |
| 2017 | 19.0°C | 15.8°C | 12.7°C | 23.3°C | 10.4°C | 117 mm | 85% | 3.5 m/s | 5.3 |
| 2016 | 19.1°C | 15.7°C | 12.4°C | 25.4°C | 9.9°C | 45 mm | 86% | 3.5 m/s | 5.3 |
| 2015 | 18.3°C | 15.1°C | 11.8°C | 23.1°C | 9.0°C | 105 mm | 84% | 4 m/s | 5.4 |
| 2014 | 20.2°C | 16.5°C | 12.8°C | 24.6°C | 10.6°C | 41 mm | 84% | 2.9 m/s | 5.7 |
| 2013 | 21.4°C | 17.2°C | 13.0°C | 26.0°C | 9.6°C | 33 mm | 82% | 2.7 m/s | 6.5 |
| 2012 | 17.7°C | 14.6°C | 11.4°C | 23.8°C | 8.6°C | 126 mm | 86% | 3.5 m/s | 5.2 |
| 2011 | 18.2°C | 14.8°C | 11.4°C | 20.7°C | 9.1°C | 67 mm | 83% | 3 m/s | 5.6 |
| 2010 | 19.1°C | 16.0°C | 13.0°C | 21.9°C | 11.1°C | 91 mm | 85% | 3.6 m/s | 5 |
| 2009 🌧️ | 17.9°C | 15.1°C | 12.3°C | 24.7°C | 9.9°C | 178 mm | 86% | 4.3 m/s | 5.2 |
| 2008 | 18.3°C | 15.1°C | 11.9°C | 23.0°C | 8.5°C | 122 mm | 86% | 4 m/s | 5.2 |
| 2007 | 17.3°C | 14.6°C | 11.8°C | 19.7°C | 8.8°C | 150 mm | 86% | 4.2 m/s | 5.5 |
| 2006 | 22.0°C | 17.8°C | 13.7°C | 27.1°C | 10.4°C | 39 mm | 82% | 2.7 m/s | 5.8 |
| 2005 | 19.5°C | 16.2°C | 13.0°C | 25.8°C | 9.5°C | 90 mm | 85% | 3.2 m/s | 5.3 |
| 2004 | 17.9°C | 14.8°C | 11.6°C | 20.4°C | 9.1°C | 72 mm | 85% | 3.4 m/s | 5.3 |
| 2003 | 19.5°C | 16.1°C | 12.8°C | 25.7°C | 9.7°C | 110 mm | 85% | 3.4 m/s | 4.6 |
| 2002 | 17.9°C | 14.6°C | 11.3°C | 21.6°C | 9.2°C | 79 mm | 87% | 3.2 m/s | 5.3 |
| 2001 | 19.2°C | 15.6°C | 12.0°C | 25.4°C | 8.7°C | 96 mm | 85% | 3.1 m/s | 5.2 |
| 2000 | 18.4°C | 15.1°C | 11.8°C | 22.3°C | 9.9°C | 78 mm | 85% | 3 m/s | 5.9 |
| 1999 | 20.3°C | 16.4°C | 12.6°C | 24.4°C | 9.3°C | 25 mm | 83% | 3.1 m/s | 5.9 |
| 1998 | 17.6°C | 14.8°C | 11.9°C | 19.5°C | 9.9°C | 82 mm | 86% | 4.1 m/s | 5.1 |
| 1997 | 19.5°C | 15.7°C | 11.9°C | 23.3°C | 8.3°C | 35 mm | 83% | 2.8 m/s | 5.5 |
| 1996 | 18.9°C | 15.0°C | 11.2°C | 24.1°C | 7.0°C | 42 mm | 84% | 3.3 m/s | 6 |
| 1995 | 20.9°C | 17.0°C | 13.1°C | 26.6°C | 8.7°C | 36 mm | 83% | 3.1 m/s | 5.5 |
| 1994 | 19.9°C | 16.0°C | 12.0°C | 23.9°C | 9.7°C | 44 mm | 84% | 2.8 m/s | 5.4 |
| 1993 | 17.6°C | 14.6°C | 11.6°C | 20.6°C | 8.1°C | 100 mm | 86% | 4 m/s | 5.4 |
| 1992 | 19.5°C | 15.9°C | 12.4°C | 23.4°C | 9.8°C | 86 mm | 84% | 3.3 m/s | 5.2 |
| 1991 | 19.0°C | 15.7°C | 12.3°C | 24.7°C | 10.1°C | 86 mm | 86% | 3.7 m/s | 5 |
| 1990 | 20.6°C | 16.3°C | 12.0°C | 25.7°C | 7.8°C | 50 mm | 78% | 3.6 m/s | 6.4 |
| 1989 | 21.0°C | 17.0°C | 13.0°C | 25.0°C | 10.0°C | 65 mm | 82% | 2.9 m/s | 5.9 |
| 1988 ❄️ | 16.7°C | 13.9°C | 11.0°C | 19.8°C | 9.5°C | 117 mm | 86% | 4.5 m/s | 5 |
| 1987 | 18.9°C | 15.4°C | 11.9°C | 23.7°C | 8.8°C | 52 mm | 83% | 3 m/s | 5.3 |
| 1986 | 18.2°C | 14.8°C | 11.3°C | 22.8°C | 8.4°C | 52 mm | 85% | 3.3 m/s | 4.8 |
| 1985 | 18.8°C | 15.2°C | 11.5°C | 24.2°C | 8.6°C | 67 mm | 84% | 3.4 m/s | 5.1 |
| 1984 | 20.3°C | 16.0°C | 11.7°C | 24.7°C | 7.6°C | 35 mm | 79% | 2.8 m/s | 6 |
| 1983 🔥 | 22.7°C | 18.3°C | 14.0°C | 27.7°C | 8.7°C | 27 mm | 83% | 2.2 m/s | — |
| 1982 | 19.6°C | 15.9°C | 12.1°C | 22.7°C | 9.3°C | 65 mm | 84% | 2.9 m/s | — |
| 1981 | 17.9°C | 14.8°C | 11.7°C | 22.3°C | 9.6°C | 57 mm | 86% | 3.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 19.3°C with lows near 12.3°C (mean 15.8°C), based on 45 years of NASA POWER data.
July averages 75 mm of rainfall in Barnstaple, one of the drier months. The wettest on record was 178 mm in 2009.
The hottest July reached 27.7°C in 1983. The coldest dipped to 7°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.5°C. Daytime highs moved from 19.9°C to 20°C and overnight lows from 12.2°C to 12.9°C over the same span.
July is one of the warmer months of the year in Barnstaple and one of the drier months, so plan for around 19.3°C daytime highs and 12.3°C at night.
Not quite — July is the 11th coolest month in Barnstaple, averaging 15.8°C.
For July in Barnstaple, pack light layers you can adjust through the day, with typical highs of 19.3°C and lows of 12.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 84% — quite humid.
Average wind speed in July is 3.3 m/s. The windiest July on record averaged 4.5 m/s (1988).
The wettest July on record was 2009 with 178 mm. On average, July sees 75 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 Barnstaple 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.