May is close to Lowestoft's year-round average, with average highs near 12.4°C and lows around 9.1°C (mean 10.8°C). It is one of the drier months, averaging 54 mm of rainfall and 85% relative humidity across the period.
May is close to Lowestoft's year-round average. Across 45 years of records, the warmest May in Lowestoft was 2024 — when the month averaged 12.4°C — while the coldest was 1996 at 8.5°C. Typical May days reach 12.4°C with nights near 9.1°C. The long-term trend is warming, about 0.4°C per decade.
May is one of the drier months in Lowestoft, averaging 54 mm of rainfall. The wettest May on record was 2007 with 114 mm, while the driest was 1989 at 7 mm.
Relative humidity in Lowestoft during May averages 85%. The most humid May was 2024 at 91%, and the least humid was 2020 at 80%.
May receives about 4.9 kWh/m²/day of solar energy in Lowestoft. The sunniest May was 2020 at 6.2 kWh/m²/day, and the cloudiest were 1984 and 1985 at 4.
Average wind speed in Lowestoft during May is 4.4 m/s. The windiest Mays were 1993 and 1996 at 5.2 m/s, while the calmest were 1990 and 2004 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.9°C | 10.6°C | 11.1°C | 10.9°C | 11.5°C | +1.6°C |
| Avg High | 11.5°C | 12.3°C | 12.8°C | 12.6°C | 13.2°C | +1.7°C |
| Avg Low | 8.4°C | 8.9°C | 9.5°C | 9.3°C | 9.8°C | +1.4°C |
| Avg Rain | 57 mm | 42 mm | 68 mm | 51 mm | 50 mm | -7 mm |
May temperatures in Lowestoft have risen by about 1.8°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 3.6°C (1982) to a record high of 18.8°C (2025).
Rainfall in May is one of the drier months, averaging 54 mm, with a wettest year of 114 mm.
A good time to visit Lowestoft
May is a good time to visit Lowestoft, with days averaging 12.4°C and nights around 9.1°C (mean 10.8°C, close to Lowestoft's yearly average) and moderate rainfall. August and July are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.7°C | 12.0°C | 10.3°C | 18.8°C | 7.7°C | 23 mm | 83% | 4.8 m/s | 5.6 |
| 2024 🔥 | 14.0°C | 12.4°C | 10.9°C | 16.1°C | 8.7°C | 105 mm | 91% | 3.8 m/s | 4.7 |
| 2023 | 12.7°C | 11.2°C | 9.7°C | 16.8°C | 6.9°C | 39 mm | 86% | 4.3 m/s | 5 |
| 2022 | 13.9°C | 12.1°C | 10.2°C | 16.7°C | 8.0°C | 49 mm | 85% | 3.6 m/s | 5.1 |
| 2021 | 11.3°C | 9.7°C | 8.2°C | 13.4°C | 5.1°C | 75 mm | 85% | 4.6 m/s | 4.6 |
| 2020 | 13.3°C | 11.4°C | 9.5°C | 18.0°C | 6.2°C | 8 mm | 80% | 4 m/s | 6.2 |
| 2019 | 12.6°C | 10.9°C | 9.1°C | 17.7°C | 6.0°C | 38 mm | 81% | 3.7 m/s | 5 |
| 2018 | 12.7°C | 11.1°C | 9.5°C | 15.6°C | 4.9°C | 31 mm | 87% | 3.9 m/s | 5.5 |
| 2017 | 13.4°C | 11.9°C | 10.4°C | 18.7°C | 7.1°C | 64 mm | 86% | 4.2 m/s | 4.9 |
| 2016 | 12.7°C | 11.2°C | 9.7°C | 15.1°C | 5.5°C | 51 mm | 85% | 4.4 m/s | 4.9 |
| 2015 | 12.6°C | 10.7°C | 8.8°C | 14.8°C | 5.9°C | 55 mm | 81% | 4.8 m/s | 4.8 |
| 2014 | 13.4°C | 11.9°C | 10.5°C | 15.9°C | 6.3°C | 95 mm | 83% | 4.1 m/s | 4.7 |
| 2013 | 11.0°C | 9.4°C | 7.8°C | 12.9°C | 4.8°C | 65 mm | 85% | 4.9 m/s | 4.7 |
| 2012 | 12.4°C | 10.8°C | 9.2°C | 17.8°C | 6.1°C | 58 mm | 86% | 4.4 m/s | 4.5 |
| 2011 | 13.7°C | 11.8°C | 9.9°C | 16.4°C | 7.1°C | 19 mm | 81% | 4.6 m/s | 5.2 |
| 2010 | 11.4°C | 9.7°C | 7.9°C | 17.5°C | 5.4°C | 30 mm | 81% | 4 m/s | 5.2 |
| 2009 | 13.2°C | 11.6°C | 10.0°C | 15.6°C | 6.4°C | 51 mm | 85% | 4.8 m/s | 5.2 |
| 2008 | 13.1°C | 11.8°C | 10.4°C | 15.7°C | 7.2°C | 72 mm | 86% | 4.7 m/s | 5.2 |
| 2007 🌧️ | 13.1°C | 11.5°C | 9.8°C | 17.0°C | 7.8°C | 114 mm | 86% | 4.7 m/s | 4.1 |
| 2006 | 12.6°C | 10.9°C | 9.3°C | 15.1°C | 6.1°C | 111 mm | 86% | 4.6 m/s | 4.4 |
| 2005 | 12.1°C | 10.4°C | 8.7°C | 17.4°C | 5.8°C | 47 mm | 84% | 4.8 m/s | 5 |
| 2004 | 12.6°C | 10.9°C | 9.2°C | 16.9°C | 7.6°C | 46 mm | 85% | 3.4 m/s | 4.8 |
| 2003 | 13.1°C | 11.3°C | 9.6°C | 15.9°C | 7.1°C | 58 mm | 86% | 4.4 m/s | 4.8 |
| 2002 | 12.9°C | 11.3°C | 9.8°C | 15.6°C | 7.3°C | 54 mm | 87% | 5.1 m/s | 4.5 |
| 2001 | 12.3°C | 10.7°C | 9.1°C | 17.7°C | 6.0°C | 43 mm | 87% | 4 m/s | 5.3 |
| 2000 | 12.7°C | 11.1°C | 9.5°C | 16.4°C | 7.3°C | 81 mm | 87% | 4.5 m/s | 4.7 |
| 1999 | 13.4°C | 11.7°C | 10.1°C | 16.6°C | 8.2°C | 32 mm | 85% | 4.4 m/s | 4.9 |
| 1998 | 13.0°C | 11.4°C | 9.9°C | 16.1°C | 6.9°C | 25 mm | 87% | 4 m/s | 5.8 |
| 1997 | 12.4°C | 10.7°C | 8.9°C | 16.1°C | 3.6°C | 58 mm | 84% | 4.3 m/s | 5.1 |
| 1996 ❄️ | 10.0°C | 8.5°C | 7.0°C | 14.7°C | 4.5°C | 47 mm | 83% | 5.2 m/s | 4.3 |
| 1995 | 12.5°C | 10.7°C | 8.9°C | 17.4°C | 5.0°C | 31 mm | 82% | 3.8 m/s | 4.9 |
| 1994 | 11.6°C | 10.1°C | 8.6°C | 15.2°C | 5.4°C | 77 mm | 86% | 4.4 m/s | 4.7 |
| 1993 | 12.1°C | 10.5°C | 8.9°C | 15.4°C | 6.4°C | 66 mm | 85% | 5.2 m/s | 4.9 |
| 1992 | 13.5°C | 11.6°C | 9.8°C | 18.1°C | 6.0°C | 37 mm | 85% | 4.1 m/s | 5.6 |
| 1991 | 11.1°C | 9.4°C | 7.7°C | 16.7°C | 6.0°C | 29 mm | 82% | 4.3 m/s | 4.3 |
| 1990 | 13.3°C | 11.4°C | 9.6°C | 16.8°C | 7.5°C | 14 mm | 83% | 3.4 m/s | 5.2 |
| 1989 | 13.0°C | 11.0°C | 9.0°C | 16.2°C | 6.4°C | 7 mm | 84% | 3.9 m/s | 5.7 |
| 1988 | 12.0°C | 10.6°C | 9.3°C | 13.8°C | 6.7°C | 59 mm | 88% | 4.2 m/s | 4.5 |
| 1987 | 10.7°C | 8.9°C | 7.2°C | 15.5°C | 5.5°C | 60 mm | 85% | 5 m/s | 4.4 |
| 1986 | 12.1°C | 10.3°C | 8.4°C | 14.8°C | 6.1°C | 46 mm | 86% | 5.1 m/s | 4.5 |
| 1985 | 10.9°C | 9.5°C | 8.1°C | 15.3°C | 5.1°C | 53 mm | 90% | 4.4 m/s | 4 |
| 1984 | 10.1°C | 8.8°C | 7.6°C | 11.9°C | 5.6°C | 88 mm | 87% | 4.5 m/s | 4 |
| 1983 | 10.7°C | 9.4°C | 8.1°C | 12.4°C | 6.0°C | 65 mm | 88% | 4.3 m/s | — |
| 1982 | 12.1°C | 10.2°C | 8.3°C | 16.3°C | 3.6°C | 48 mm | 84% | 3.8 m/s | — |
| 1981 | 12.2°C | 10.7°C | 9.2°C | 15.3°C | 4.1°C | 83 mm | 89% | 4.4 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 12.4°C with lows near 9.1°C (mean 10.8°C), based on 45 years of NASA POWER data.
May averages 54 mm of rainfall in Lowestoft, one of the drier months. The wettest on record was 114 mm in 2007.
The hottest May reached 18.8°C in 2025. The coldest dipped to 3.6°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.8°C. Daytime highs moved from 11.2°C to 13.1°C and overnight lows from 8.3°C to 9.9°C over the same span.
May is close to Lowestoft's year-round average and one of the drier months, so plan for around 12.4°C daytime highs and 9.1°C at night.
Not quite — May is the 7th coolest month in Lowestoft, averaging 10.8°C.
For May in Lowestoft, pack light layers you can adjust through the day, with typical highs of 12.4°C and lows of 9.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 85% — quite humid.
Average wind speed in May is 4.4 m/s. The windiest May on record averaged 5.2 m/s (1993).
The wettest May on record was 2007 with 114 mm. On average, May sees 54 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 Lowestoft behaves each May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
