August is one of the warmer months of the year in King's Lynn, with average highs near 19.4°C and lows around 13.8°C (mean 16.6°C). It is about average for rainfall, averaging 62 mm of rainfall and 82% relative humidity across the period.
August is one of the warmer months of the year in King's Lynn. Across 45 years of records, the warmest Augusts in King's Lynn were 1997 and 2022 — when the month averaged 18.7°C — while the coldest was 1986 at 14.1°C. Typical August days reach 19.4°C with nights near 13.8°C. The long-term trend is warming, about 0.3°C per decade.
August is about average for rainfall in King's Lynn, averaging 62 mm of rainfall. The wettest August on record was 2006 with 133 mm, while the driest was 1995 at 12 mm.
Relative humidity in King's Lynn during August averages 82%. The most humid August was 2002 at 87%, and the least humid was 1992 at 77%.
August receives about 4.3 kWh/m²/day of solar energy in King's Lynn. The sunniest Augusts were 1995 and 2022 at 4.9 kWh/m²/day, and the cloudiest were 1986 and 1987 at 3.5.
Average wind speed in King's Lynn during August is 3.9 m/s. The windiest August was 1985 at 5.1 m/s, while the calmest were 1984 and 2002 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.7°C | 16.7°C | 16.8°C | 16.7°C | 17.5°C | +1.8°C |
| Avg High | 18.5°C | 19.6°C | 19.5°C | 19.5°C | 20.3°C | +1.8°C |
| Avg Low | 12.9°C | 13.8°C | 14.0°C | 13.8°C | 14.7°C | +1.8°C |
| Avg Rain | 56 mm | 53 mm | 72 mm | 68 mm | 57 mm | +1 mm |
August temperatures in King's Lynn have risen by about 1.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 9°C (1987) to a record high of 28.7°C (1990).
Rainfall in August is about average for rainfall, averaging 62 mm, with a wettest year of 133 mm.
One of the best times to visit King's Lynn
August is one of the best times to visit King's Lynn. Expect days averaging 19.4°C and nights around 13.8°C (mean 16.6°C) — warmer than King's Lynn's yearly average — with moderate rainfall (62 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 | 20.5°C | 17.5°C | 14.5°C | 24.4°C | 12.4°C | 21 mm | 79% | 4 m/s | 4.5 |
| 2024 | 20.5°C | 17.4°C | 14.4°C | 24.8°C | 11.7°C | 42 mm | 81% | 4 m/s | 4.5 |
| 2023 | 19.9°C | 17.1°C | 14.2°C | 23.5°C | 12.0°C | 64 mm | 82% | 3.8 m/s | 4.6 |
| 2022 | 21.5°C | 18.7°C | 15.8°C | 25.3°C | 12.6°C | 65 mm | 81% | 3.2 m/s | 4.9 |
| 2021 | 18.8°C | 16.4°C | 14.0°C | 21.1°C | 12.4°C | 37 mm | 84% | 4.1 m/s | 3.7 |
| 2020 | 20.3°C | 17.8°C | 15.3°C | 28.6°C | 11.4°C | 114 mm | 84% | 4.7 m/s | 4.1 |
| 2019 | 20.9°C | 17.6°C | 14.3°C | 25.9°C | 11.7°C | 63 mm | 80% | 4.4 m/s | 4.7 |
| 2018 | 20.4°C | 17.5°C | 14.6°C | 26.0°C | 11.2°C | 73 mm | 81% | 3.4 m/s | 4.3 |
| 2017 | 18.9°C | 16.2°C | 13.4°C | 22.8°C | 11.3°C | 86 mm | 82% | 3.8 m/s | 4.3 |
| 2016 | 20.0°C | 17.1°C | 14.3°C | 23.7°C | 11.3°C | 43 mm | 82% | 4 m/s | 4.7 |
| 2015 | 19.4°C | 16.5°C | 13.6°C | 23.9°C | 11.2°C | 83 mm | 82% | 4.1 m/s | 3.9 |
| 2014 | 18.4°C | 15.7°C | 13.1°C | 21.5°C | 9.6°C | 80 mm | 79% | 4.6 m/s | 4.4 |
| 2013 | 19.9°C | 17.1°C | 14.2°C | 24.9°C | 11.5°C | 36 mm | 81% | 3.6 m/s | 4.6 |
| 2012 | 19.8°C | 17.0°C | 14.3°C | 25.0°C | 11.6°C | 54 mm | 83% | 3.7 m/s | 4.4 |
| 2011 | 19.0°C | 16.1°C | 13.1°C | 24.0°C | 10.8°C | 47 mm | 80% | 3.8 m/s | 3.9 |
| 2010 | 18.4°C | 15.9°C | 13.4°C | 22.2°C | 10.4°C | 111 mm | 82% | 4.6 m/s | 4 |
| 2009 | 20.5°C | 17.3°C | 14.2°C | 23.6°C | 11.1°C | 27 mm | 82% | 4 m/s | 4.4 |
| 2008 | 19.6°C | 16.8°C | 14.1°C | 22.7°C | 11.7°C | 103 mm | 84% | 4.3 m/s | 3.8 |
| 2007 | 18.7°C | 15.9°C | 13.2°C | 23.3°C | 11.2°C | 62 mm | 84% | 4.2 m/s | 4.2 |
| 2006 🌧️ | 18.6°C | 16.2°C | 13.7°C | 22.9°C | 11.7°C | 133 mm | 84% | 4.2 m/s | 3.7 |
| 2005 | 18.7°C | 15.9°C | 13.0°C | 23.9°C | 10.9°C | 61 mm | 84% | 3.7 m/s | 4.2 |
| 2004 | 20.0°C | 17.4°C | 14.9°C | 24.1°C | 11.1°C | 129 mm | 85% | 3.8 m/s | 4.1 |
| 2003 | 20.1°C | 17.4°C | 14.7°C | 27.4°C | 11.2°C | 15 mm | 83% | 3.2 m/s | 4.5 |
| 2002 | 19.9°C | 17.2°C | 14.6°C | 24.0°C | 12.7°C | 71 mm | 87% | 2.8 m/s | 3.8 |
| 2001 | 19.7°C | 16.9°C | 14.1°C | 24.9°C | 11.4°C | 73 mm | 85% | 3.3 m/s | 4.1 |
| 2000 | 19.4°C | 16.5°C | 13.7°C | 22.3°C | 11.2°C | 48 mm | 84% | 3.2 m/s | 4.5 |
| 1999 | 18.8°C | 16.3°C | 13.8°C | 24.5°C | 10.2°C | 86 mm | 82% | 3.5 m/s | 4 |
| 1998 | 18.7°C | 15.7°C | 12.6°C | 23.7°C | 10.3°C | 54 mm | 82% | 4.1 m/s | 4.4 |
| 1997 🔥 | 21.6°C | 18.7°C | 15.7°C | 25.5°C | 12.0°C | 66 mm | 84% | 3.3 m/s | 4.5 |
| 1996 | 19.4°C | 16.5°C | 13.6°C | 25.4°C | 11.6°C | 108 mm | 82% | 4 m/s | 4.1 |
| 1995 | 20.0°C | 17.4°C | 14.8°C | 24.0°C | 12.0°C | 12 mm | 82% | 3.7 m/s | 4.9 |
| 1994 | 18.8°C | 16.1°C | 13.5°C | 22.9°C | 11.0°C | 43 mm | 81% | 4.2 m/s | 4.2 |
| 1993 | 17.7°C | 14.9°C | 12.1°C | 21.0°C | 9.6°C | 49 mm | 80% | 4 m/s | 4.3 |
| 1992 | 19.4°C | 16.3°C | 13.2°C | 23.4°C | 10.3°C | 70 mm | 77% | 4.9 m/s | 4.1 |
| 1991 | 20.6°C | 17.4°C | 14.2°C | 23.4°C | 11.5°C | 14 mm | 79% | 3.3 m/s | 4.6 |
| 1990 | 21.4°C | 17.9°C | 14.4°C | 28.7°C | 11.7°C | 30 mm | 78% | 3.6 m/s | 4.6 |
| 1989 | 19.9°C | 16.8°C | 13.7°C | 23.7°C | 11.8°C | 45 mm | 79% | 4.1 m/s | 4.4 |
| 1988 | 18.3°C | 15.4°C | 12.5°C | 22.2°C | 10.0°C | 43 mm | 83% | 4.1 m/s | 4.3 |
| 1987 | 17.8°C | 15.3°C | 12.7°C | 24.0°C | 9.0°C | 93 mm | 85% | 3.6 m/s | 3.5 |
| 1986 ❄️ | 16.7°C | 14.1°C | 11.5°C | 20.3°C | 9.1°C | 96 mm | 82% | 4.4 m/s | 3.5 |
| 1985 | 17.7°C | 14.7°C | 11.8°C | 21.1°C | 10.3°C | 57 mm | 83% | 5.1 m/s | 3.8 |
| 1984 | 19.6°C | 16.7°C | 13.8°C | 23.6°C | 11.3°C | 48 mm | 84% | 2.8 m/s | 4.6 |
| 1983 | 19.3°C | 16.5°C | 13.8°C | 23.0°C | 10.9°C | 19 mm | 84% | 3.2 m/s | — |
| 1982 | 18.5°C | 15.6°C | 12.8°C | 25.0°C | 9.8°C | 61 mm | 83% | 4.1 m/s | — |
| 1981 | 18.9°C | 16.2°C | 13.5°C | 22.8°C | 11.3°C | 43 mm | 83% | 3.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 19.4°C with lows near 13.8°C (mean 16.6°C), based on 45 years of NASA POWER data.
August averages 62 mm of rainfall in King's Lynn, about average for rainfall. The wettest on record was 133 mm in 2006.
The hottest August reached 28.7°C in 1990. The coldest dipped to 9°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.5°C. Daytime highs moved from 18.8°C to 20.2°C and overnight lows from 13.1°C to 14.6°C over the same span.
August is one of the warmer months of the year in King's Lynn and about average for rainfall, so plan for around 19.4°C daytime highs and 13.8°C at night.
Not quite — August is the 12th coolest month in King's Lynn, averaging 16.6°C.
For August in King's Lynn, pack light layers you can adjust through the day, with typical highs of 19.4°C and lows of 13.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 82% — quite humid.
Average wind speed in August is 3.9 m/s. The windiest August on record averaged 5.1 m/s (1985).
The wettest August on record was 2006 with 133 mm. On average, August sees 62 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 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.
