July is one of the warmer months of the year in King's Lynn, with average highs near 19.1°C and lows around 13.4°C (mean 16.3°C). It is about average for rainfall, averaging 59 mm of rainfall and 83% relative humidity across the period.
July is one of the warmer months of the year in King's Lynn. Across 45 years of records, the warmest Julys in King's Lynn were 2006 and 2018 — when the month averaged 18.3°C — while the coldest was 2000 at 14.2°C. Typical July days reach 19.1°C with nights near 13.4°C. The long-term trend is warming, about 0.4°C per decade.
July is about average for rainfall in King's Lynn, averaging 59 mm of rainfall. The wettest July on record was 2015 with 127 mm, while the driest was 2022 at 20 mm.
Relative humidity in King's Lynn during July averages 83%. The most humid July was 2000 at 86%, and the least humid was 1990 at 78%.
July receives about 5 kWh/m²/day of solar energy in King's Lynn. The sunniest July was 2006 at 6.1 kWh/m²/day, and the cloudiest was 2000 at 4.2.
Average wind speed in King's Lynn during July is 3.5 m/s. The windiest July was 1988 at 4.7 m/s, while the calmest was 1983 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.6°C | 16.2°C | 16.1°C | 16.7°C | 16.9°C | +1.3°C |
| Avg High | 18.4°C | 19.2°C | 18.8°C | 19.6°C | 19.8°C | +1.4°C |
| Avg Low | 12.7°C | 13.3°C | 13.4°C | 13.9°C | 14.1°C | +1.4°C |
| Avg Rain | 50 mm | 41 mm | 69 mm | 66 mm | 71 mm | +21 mm |
July temperatures in King's Lynn have risen by about 1.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.8°C (1983) to a record high of 28.8°C (2022).
Rainfall in July is about average for rainfall, averaging 59 mm, with a wettest year of 127 mm.
One of the best times to visit King's Lynn
July is one of the best times to visit King's Lynn. Expect days averaging 19.1°C and nights around 13.4°C (mean 16.3°C) — warmer than King's Lynn's yearly average — with moderate rainfall (59 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 | 17.8°C | 15.0°C | 25.5°C | 12.6°C | 71 mm | 82% | 3.3 m/s | 5 |
| 2024 | 19.2°C | 16.4°C | 13.6°C | 24.5°C | 10.2°C | 86 mm | 84% | 3.6 m/s | 4.9 |
| 2023 | 19.5°C | 16.7°C | 13.9°C | 23.9°C | 11.9°C | 95 mm | 81% | 4.3 m/s | 4.7 |
| 2022 | 20.8°C | 17.6°C | 14.5°C | 28.8°C | 11.5°C | 20 mm | 79% | 3.5 m/s | 5.5 |
| 2021 | 19.8°C | 17.1°C | 14.4°C | 24.0°C | 12.3°C | 64 mm | 86% | 3.3 m/s | 4.8 |
| 2020 | 18.6°C | 15.9°C | 13.1°C | 23.9°C | 10.7°C | 89 mm | 81% | 3.9 m/s | 4.7 |
| 2019 | 20.3°C | 17.5°C | 14.6°C | 25.7°C | 11.3°C | 83 mm | 81% | 3.3 m/s | 5 |
| 2018 | 21.5°C | 18.3°C | 15.0°C | 27.2°C | 12.2°C | 33 mm | 81% | 3.1 m/s | 5.7 |
| 2017 | 19.3°C | 16.5°C | 13.7°C | 23.6°C | 12.5°C | 89 mm | 82% | 3.7 m/s | 4.9 |
| 2016 | 19.6°C | 16.7°C | 13.8°C | 24.4°C | 10.2°C | 34 mm | 82% | 3.4 m/s | 5.2 |
| 2015 🌧️ | 18.9°C | 16.1°C | 13.2°C | 23.7°C | 10.1°C | 127 mm | 80% | 3.8 m/s | 5 |
| 2014 | 20.1°C | 17.4°C | 14.7°C | 22.7°C | 11.6°C | 46 mm | 83% | 3.4 m/s | 5.2 |
| 2013 | 20.0°C | 17.0°C | 14.0°C | 23.1°C | 11.4°C | 44 mm | 83% | 2.9 m/s | 5.4 |
| 2012 | 18.2°C | 15.5°C | 12.8°C | 24.7°C | 10.4°C | 109 mm | 83% | 3.4 m/s | 4.6 |
| 2011 | 17.8°C | 15.1°C | 12.4°C | 21.3°C | 10.2°C | 58 mm | 80% | 3.9 m/s | 4.6 |
| 2010 | 20.0°C | 17.2°C | 14.4°C | 23.8°C | 11.5°C | 36 mm | 81% | 3.5 m/s | 5.1 |
| 2009 | 19.1°C | 16.2°C | 13.4°C | 21.9°C | 11.1°C | 83 mm | 82% | 4.1 m/s | 5 |
| 2008 | 19.2°C | 16.3°C | 13.4°C | 24.1°C | 10.6°C | 53 mm | 83% | 3.8 m/s | 5.1 |
| 2007 | 18.0°C | 15.5°C | 13.1°C | 19.7°C | 11.0°C | 85 mm | 84% | 4.2 m/s | 4.8 |
| 2006 🔥 | 21.4°C | 18.3°C | 15.2°C | 26.0°C | 12.1°C | 35 mm | 82% | 2.9 m/s | 6.1 |
| 2005 | 18.2°C | 15.7°C | 13.2°C | 23.3°C | 11.0°C | 89 mm | 85% | 3.6 m/s | 4.3 |
| 2004 | 18.2°C | 15.6°C | 12.9°C | 22.5°C | 9.9°C | 74 mm | 84% | 3.1 m/s | 4.7 |
| 2003 | 19.7°C | 17.1°C | 14.5°C | 23.2°C | 12.5°C | 58 mm | 84% | 3.4 m/s | 4.9 |
| 2002 | 18.4°C | 15.8°C | 13.2°C | 24.0°C | 10.6°C | 81 mm | 85% | 3.1 m/s | 4.6 |
| 2001 | 19.3°C | 16.4°C | 13.6°C | 24.3°C | 10.2°C | 70 mm | 83% | 3.3 m/s | 4.8 |
| 2000 ❄️ | 16.6°C | 14.2°C | 11.9°C | 20.2°C | 9.4°C | 62 mm | 86% | 3.2 m/s | 4.2 |
| 1999 | 19.5°C | 16.5°C | 13.5°C | 22.7°C | 11.1°C | 25 mm | 83% | 3.6 m/s | 5.7 |
| 1998 | 17.8°C | 15.1°C | 12.3°C | 22.4°C | 10.1°C | 36 mm | 82% | 4.2 m/s | 4.6 |
| 1997 | 18.8°C | 16.0°C | 13.1°C | 22.5°C | 10.4°C | 39 mm | 84% | 3.3 m/s | 5.1 |
| 1996 | 18.8°C | 15.7°C | 12.5°C | 24.8°C | 9.1°C | 41 mm | 80% | 3.3 m/s | 5.1 |
| 1995 | 20.2°C | 17.2°C | 14.2°C | 24.8°C | 10.7°C | 34 mm | 83% | 3.3 m/s | 5.7 |
| 1994 | 20.3°C | 17.2°C | 14.1°C | 25.0°C | 11.4°C | 32 mm | 84% | 2.9 m/s | 5.7 |
| 1993 | 18.0°C | 15.2°C | 12.4°C | 21.3°C | 9.0°C | 68 mm | 81% | 4.1 m/s | 4.8 |
| 1992 | 19.4°C | 16.5°C | 13.6°C | 22.9°C | 11.9°C | 73 mm | 79% | 3.6 m/s | 4.7 |
| 1991 | 20.2°C | 17.1°C | 14.0°C | 24.3°C | 11.9°C | 35 mm | 80% | 3.6 m/s | 5 |
| 1990 | 19.0°C | 15.9°C | 12.8°C | 25.9°C | 9.6°C | 30 mm | 78% | 3.8 m/s | 5.3 |
| 1989 | 19.6°C | 16.7°C | 13.8°C | 24.4°C | 11.2°C | 47 mm | 82% | 3.4 m/s | 5.4 |
| 1988 | 17.6°C | 15.0°C | 12.4°C | 21.4°C | 10.6°C | 88 mm | 84% | 4.7 m/s | 4.6 |
| 1987 | 17.9°C | 15.3°C | 12.7°C | 24.0°C | 10.7°C | 83 mm | 84% | 3.6 m/s | 4.3 |
| 1986 | 18.3°C | 15.4°C | 12.5°C | 24.4°C | 9.8°C | 55 mm | 82% | 3.3 m/s | 4.5 |
| 1985 | 18.5°C | 15.5°C | 12.5°C | 22.5°C | 10.3°C | 49 mm | 83% | 3.6 m/s | 4.7 |
| 1984 | 17.6°C | 14.7°C | 11.8°C | 22.0°C | 8.8°C | 30 mm | 84% | 3 m/s | 4.8 |
| 1983 | 20.0°C | 16.7°C | 13.4°C | 24.1°C | 8.8°C | 33 mm | 85% | 2.3 m/s | — |
| 1982 | 18.1°C | 15.4°C | 12.6°C | 22.7°C | 10.3°C | 25 mm | 85% | 3.4 m/s | — |
| 1981 | 18.0°C | 15.3°C | 12.6°C | 21.9°C | 10.3°C | 41 mm | 84% | 3.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 19.1°C with lows near 13.4°C (mean 16.3°C), based on 45 years of NASA POWER data.
July averages 59 mm of rainfall in King's Lynn, about average for rainfall. The wettest on record was 127 mm in 2015.
The hottest July reached 28.8°C in 2022. The coldest dipped to 8.8°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.6°C. Daytime highs moved from 18.4°C to 20°C and overnight lows from 12.6°C to 14.3°C over the same span.
July is one of the warmer months of the year in King's Lynn and about average for rainfall, so plan for around 19.1°C daytime highs and 13.4°C at night.
Not quite — July is the 11th coolest month in King's Lynn, averaging 16.3°C.
For July in King's Lynn, pack light layers you can adjust through the day, with typical highs of 19.1°C and lows of 13.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 83% — quite humid.
Average wind speed in July is 3.5 m/s. The windiest July on record averaged 4.7 m/s (1988).
The wettest July on record was 2015 with 127 mm. On average, July sees 59 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 King's Lynn 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.
