July is one of the warmer months of the year in Blyth, with average highs near 17.1°C and lows around 12.6°C (mean 14.9°C). It is about average for rainfall, averaging 66 mm of rainfall and 84% relative humidity across the period.
July is one of the warmer months of the year in Blyth. Across 45 years of records, the warmest July in Blyth was 2006 — when the month averaged 16.8°C — while the coldest was 2000 at 13.3°C. Typical July days reach 17.1°C with nights near 12.6°C. The long-term trend is warming, about 0.2°C per decade.
July is about average for rainfall in Blyth, averaging 66 mm of rainfall. The wettest July on record was 2009 with 144 mm, while the driest were 1983 and 2006 at 18 mm.
Relative humidity in Blyth during July averages 84%. The most humid Julys were 1983 and 2021 at 87%, and the least humid was 1990 at 81%.
July receives about 5 kWh/m²/day of solar energy in Blyth. The sunniest July was 2006 at 5.9 kWh/m²/day, and the cloudiest was 1985 at 4.5.
Average wind speed in Blyth during July is 3.7 m/s. The windiest July was 1988 at 4.7 m/s, while the calmest was 1983 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.4°C | 14.7°C | 14.9°C | 15.1°C | 15.3°C | +0.9°C |
| Avg High | 16.7°C | 17.0°C | 17.1°C | 17.3°C | 17.6°C | +0.9°C |
| Avg Low | 12.2°C | 12.4°C | 12.7°C | 12.8°C | 13.1°C | +0.9°C |
| Avg Rain | 58 mm | 49 mm | 75 mm | 76 mm | 73 mm | +15 mm |
July temperatures in Blyth have risen by about 1.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.1°C (1984) to a record high of 25.1°C (2022).
Rainfall in July is about average for rainfall, averaging 66 mm, with a wettest year of 144 mm.
One of the best times to visit Blyth
July is one of the best times to visit Blyth. Expect days averaging 17.1°C and nights around 12.6°C (mean 14.9°C) — warmer than Blyth's yearly average — with moderate rainfall (66 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 | 18.5°C | 16.3°C | 14.0°C | 20.9°C | 11.0°C | 61 mm | 85% | 3.5 m/s | 5 |
| 2024 | 17.1°C | 14.8°C | 12.5°C | 21.4°C | 10.0°C | 73 mm | 85% | 3.4 m/s | 4.8 |
| 2023 | 17.1°C | 14.9°C | 12.7°C | 20.1°C | 11.1°C | 122 mm | 84% | 4.3 m/s | 5.2 |
| 2022 | 18.6°C | 16.1°C | 13.7°C | 25.1°C | 10.8°C | 34 mm | 81% | 3.6 m/s | 5.3 |
| 2021 | 18.2°C | 16.0°C | 13.9°C | 22.5°C | 11.4°C | 64 mm | 87% | 2.9 m/s | 4.7 |
| 2020 | 16.1°C | 13.9°C | 11.6°C | 19.7°C | 9.8°C | 82 mm | 84% | 4.1 m/s | 5 |
| 2019 | 18.3°C | 16.0°C | 13.8°C | 22.5°C | 10.9°C | 74 mm | 85% | 3.5 m/s | 5.1 |
| 2018 | 19.1°C | 16.6°C | 14.0°C | 22.2°C | 12.4°C | 49 mm | 84% | 2.9 m/s | 5.5 |
| 2017 | 16.5°C | 14.3°C | 12.1°C | 19.4°C | 10.3°C | 92 mm | 85% | 4 m/s | 4.6 |
| 2016 | 17.1°C | 14.8°C | 12.5°C | 22.4°C | 9.3°C | 74 mm | 85% | 3.7 m/s | 5 |
| 2015 | 16.3°C | 14.0°C | 11.7°C | 19.9°C | 9.7°C | 94 mm | 83% | 4 m/s | 5 |
| 2014 | 18.3°C | 16.0°C | 13.7°C | 21.6°C | 11.3°C | 67 mm | 83% | 3.2 m/s | 5 |
| 2013 | 18.8°C | 16.3°C | 13.8°C | 21.8°C | 9.6°C | 53 mm | 84% | 2.9 m/s | 5.2 |
| 2012 | 15.6°C | 13.7°C | 11.7°C | 20.4°C | 9.8°C | 105 mm | 86% | 3.8 m/s | 4.7 |
| 2011 | 16.1°C | 14.0°C | 11.9°C | 18.9°C | 9.9°C | 77 mm | 83% | 3.8 m/s | 5.1 |
| 2010 | 17.2°C | 15.1°C | 12.9°C | 19.6°C | 10.6°C | 75 mm | 84% | 4 m/s | 4.9 |
| 2009 🌧️ | 17.3°C | 15.2°C | 13.1°C | 21.2°C | 11.1°C | 144 mm | 84% | 4.3 m/s | 5.2 |
| 2008 | 17.2°C | 14.9°C | 12.7°C | 20.1°C | 10.0°C | 83 mm | 86% | 4 m/s | 4.9 |
| 2007 | 16.4°C | 14.3°C | 12.1°C | 18.3°C | 10.1°C | 118 mm | 85% | 4 m/s | 4.8 |
| 2006 🔥 | 19.5°C | 16.8°C | 14.1°C | 22.2°C | 11.3°C | 18 mm | 83% | 2.9 m/s | 5.9 |
| 2005 | 17.2°C | 15.2°C | 13.1°C | 23.0°C | 11.3°C | 92 mm | 84% | 4 m/s | 4.7 |
| 2004 | 16.4°C | 14.3°C | 12.2°C | 19.6°C | 10.0°C | 62 mm | 84% | 3.6 m/s | 5 |
| 2003 | 17.9°C | 15.8°C | 13.7°C | 21.2°C | 11.7°C | 52 mm | 86% | 3.8 m/s | 4.7 |
| 2002 | 16.7°C | 14.4°C | 12.2°C | 20.3°C | 10.1°C | 80 mm | 85% | 3.1 m/s | 4.8 |
| 2001 | 16.8°C | 14.6°C | 12.4°C | 20.7°C | 9.8°C | 50 mm | 85% | 3.8 m/s | 4.8 |
| 2000 ❄️ | 15.1°C | 13.3°C | 11.4°C | 18.8°C | 8.6°C | 48 mm | 85% | 3.3 m/s | 4.7 |
| 1999 | 17.5°C | 15.2°C | 12.9°C | 20.8°C | 10.8°C | 32 mm | 84% | 3.5 m/s | 5.4 |
| 1998 | 15.8°C | 13.7°C | 11.6°C | 19.0°C | 10.2°C | 70 mm | 85% | 4.3 m/s | 4.7 |
| 1997 | 17.2°C | 14.9°C | 12.6°C | 19.7°C | 8.2°C | 75 mm | 86% | 3.2 m/s | 5.3 |
| 1996 | 16.5°C | 14.1°C | 11.7°C | 20.7°C | 9.4°C | 45 mm | 83% | 3.4 m/s | 5.2 |
| 1995 | 17.8°C | 15.4°C | 13.0°C | 22.1°C | 9.7°C | 34 mm | 85% | 3.5 m/s | 5.5 |
| 1994 | 18.1°C | 15.6°C | 13.1°C | 21.5°C | 10.8°C | 42 mm | 84% | 2.9 m/s | 5.3 |
| 1993 | 15.9°C | 13.5°C | 11.1°C | 18.6°C | 8.6°C | 41 mm | 83% | 4.5 m/s | 5.1 |
| 1992 | 17.0°C | 14.8°C | 12.6°C | 19.1°C | 10.7°C | 74 mm | 81% | 4.1 m/s | 4.9 |
| 1991 | 17.6°C | 15.4°C | 13.1°C | 20.4°C | 11.5°C | 43 mm | 87% | 3.8 m/s | 5.1 |
| 1990 | 16.9°C | 14.4°C | 12.0°C | 22.2°C | 9.2°C | 32 mm | 81% | 3.9 m/s | 5.1 |
| 1989 | 17.8°C | 15.5°C | 13.3°C | 21.0°C | 11.0°C | 38 mm | 83% | 3.6 m/s | 5.2 |
| 1988 | 15.9°C | 13.8°C | 11.7°C | 18.9°C | 9.7°C | 107 mm | 84% | 4.7 m/s | 4.7 |
| 1987 | 16.0°C | 14.0°C | 11.9°C | 21.0°C | 9.4°C | 87 mm | 86% | 3.8 m/s | 4.6 |
| 1986 | 16.4°C | 14.0°C | 11.6°C | 20.8°C | 9.8°C | 47 mm | 83% | 3.9 m/s | 4.7 |
| 1985 | 16.2°C | 14.0°C | 11.8°C | 19.8°C | 9.8°C | 89 mm | 85% | 4 m/s | 4.5 |
| 1984 | 17.1°C | 14.7°C | 12.2°C | 20.6°C | 8.1°C | 21 mm | 82% | 3.2 m/s | 5 |
| 1983 | 17.9°C | 15.4°C | 13.0°C | 21.6°C | 10.1°C | 18 mm | 87% | 2.7 m/s | — |
| 1982 | 16.5°C | 14.3°C | 12.1°C | 18.8°C | 10.2°C | 35 mm | 85% | 3.1 m/s | — |
| 1981 | 16.5°C | 14.3°C | 12.0°C | 19.7°C | 9.8°C | 81 mm | 84% | 3.9 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 17.1°C with lows near 12.6°C (mean 14.9°C), based on 45 years of NASA POWER data.
July averages 66 mm of rainfall in Blyth, about average for rainfall. The wettest on record was 144 mm in 2009.
The hottest July reached 25.1°C in 2022. The coldest dipped to 8.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.1°C. Daytime highs moved from 16.8°C to 17.9°C and overnight lows from 12.2°C to 13.4°C over the same span.
July is one of the warmer months of the year in Blyth and about average for rainfall, so plan for around 17.1°C daytime highs and 12.6°C at night.
Not quite — July is the 11th coolest month in Blyth, averaging 14.9°C.
For July in Blyth, pack light layers you can adjust through the day, with typical highs of 17.1°C and lows of 12.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 84% — quite humid.
Average wind speed in July is 3.7 m/s. The windiest July on record averaged 4.7 m/s (1988).
The wettest July on record was 2009 with 144 mm. On average, July sees 66 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 Blyth 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.
