May is one of the warmer months of the year in Stafford, with average highs near 15.4°C and lows around 6.1°C (mean 10.8°C). It is about average for rainfall, averaging 63 mm of rainfall and 82% relative humidity across the period.
May is one of the warmer months of the year in Stafford. Across 45 years of records, the warmest May in Stafford was 2024 — when the month averaged 13.1°C — while the coldest was 1996 at 8°C. Typical May days reach 15.4°C with nights near 6.1°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Stafford, averaging 63 mm of rainfall. The wettest May on record was 2021 with 128 mm, while the driest was 2020 at 11 mm.
Relative humidity in Stafford during May averages 82%. The most humid May was 1981 at 87%, and the least humid was 1992 at 78%.
May receives about 4.8 kWh/m²/day of solar energy in Stafford. The sunniest May was 2020 at 6 kWh/m²/day, and the cloudiest were 1999, 2002 and 2014, among others at 4.2.
Average wind speed in Stafford during May is 3.1 m/s. The windiest May was 1986 at 4.1 m/s, while the calmest were 1990 and 2004 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.0°C | 10.6°C | 11.0°C | 10.7°C | 11.6°C | +1.6°C |
| Avg High | 14.5°C | 15.5°C | 15.5°C | 15.3°C | 16.3°C | +1.8°C |
| Avg Low | 5.5°C | 5.8°C | 6.5°C | 6.1°C | 6.8°C | +1.3°C |
| Avg Rain | 66 mm | 51 mm | 71 mm | 62 mm | 64 mm | -1 mm |
May temperatures in Stafford have risen by about 1.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -2.2°C (1982) to a record high of 24.9°C (2005).
Rainfall in May is about average for rainfall, averaging 63 mm, with a wettest year of 128 mm.
A good time to visit Stafford
May is a good time to visit Stafford, with days averaging 15.4°C and nights around 6.1°C (mean 10.8°C, warmer than Stafford's yearly average) and moderate rainfall. July and August 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 | 17.8°C | 12.2°C | 6.6°C | 23.2°C | 0.5°C | 37 mm | 79% | 2.8 m/s | 5.7 |
| 2024 🔥 | 17.5°C | 13.1°C | 8.8°C | 21.6°C | 6.5°C | 100 mm | 85% | 2.5 m/s | 4.5 |
| 2023 | 16.8°C | 11.9°C | 7.0°C | 20.0°C | 4.3°C | 35 mm | 82% | 2.5 m/s | 5.7 |
| 2022 | 16.5°C | 12.1°C | 7.8°C | 20.8°C | 5.7°C | 75 mm | 83% | 2.9 m/s | 4.5 |
| 2021 🌧️ | 13.0°C | 9.1°C | 5.1°C | 20.3°C | 1.7°C | 128 mm | 84% | 3 m/s | 4.6 |
| 2020 | 16.5°C | 11.0°C | 5.6°C | 22.5°C | -1.0°C | 11 mm | 78% | 2.9 m/s | 6 |
| 2019 | 15.1°C | 10.4°C | 5.7°C | 20.9°C | 1.4°C | 46 mm | 80% | 2.6 m/s | 5 |
| 2018 | 17.8°C | 12.2°C | 6.7°C | 23.3°C | 0.4°C | 54 mm | 81% | 2.6 m/s | 5.3 |
| 2017 | 16.9°C | 12.1°C | 7.3°C | 24.5°C | 2.5°C | 61 mm | 82% | 3 m/s | 5 |
| 2016 | 16.1°C | 11.0°C | 6.0°C | 22.3°C | 1.8°C | 47 mm | 83% | 3.1 m/s | 5.1 |
| 2015 | 13.5°C | 9.4°C | 5.3°C | 17.9°C | 0.0°C | 89 mm | 82% | 3.7 m/s | 4.6 |
| 2014 | 15.3°C | 11.2°C | 7.2°C | 21.7°C | 1.0°C | 96 mm | 84% | 2.9 m/s | 4.2 |
| 2013 | 13.7°C | 9.2°C | 4.8°C | 19.5°C | 0.0°C | 80 mm | 84% | 3.4 m/s | 4.6 |
| 2012 | 15.6°C | 10.8°C | 6.1°C | 24.4°C | -0.6°C | 60 mm | 82% | 3 m/s | 5 |
| 2011 | 15.1°C | 10.8°C | 6.5°C | 19.2°C | -0.1°C | 59 mm | 80% | 4 m/s | 4.7 |
| 2010 | 14.2°C | 9.6°C | 5.0°C | 23.8°C | -0.8°C | 31 mm | 81% | 2.4 m/s | 5 |
| 2009 | 15.3°C | 11.1°C | 6.8°C | 22.5°C | 2.9°C | 62 mm | 83% | 3.7 m/s | 4.9 |
| 2008 | 17.1°C | 12.1°C | 7.1°C | 22.8°C | 1.5°C | 49 mm | 82% | 3 m/s | 4.6 |
| 2007 | 15.0°C | 10.7°C | 6.5°C | 20.7°C | 1.4°C | 102 mm | 83% | 3.2 m/s | 4.7 |
| 2006 | 15.6°C | 11.3°C | 7.0°C | 23.2°C | 2.9°C | 114 mm | 83% | 3.2 m/s | 4.5 |
| 2005 | 14.7°C | 10.2°C | 5.7°C | 24.9°C | 0.4°C | 47 mm | 80% | 3.5 m/s | 5.3 |
| 2004 | 15.8°C | 11.2°C | 6.6°C | 21.2°C | 3.3°C | 42 mm | 83% | 2.3 m/s | 4.9 |
| 2003 | 14.9°C | 10.8°C | 6.7°C | 24.5°C | 0.8°C | 78 mm | 84% | 3.4 m/s | 4.4 |
| 2002 | 14.9°C | 10.9°C | 6.8°C | 21.6°C | 1.3°C | 91 mm | 84% | 3.8 m/s | 4.2 |
| 2001 | 16.4°C | 11.2°C | 6.1°C | 21.9°C | 0.1°C | 57 mm | 83% | 2.6 m/s | 4.7 |
| 2000 | 15.5°C | 10.8°C | 6.1°C | 22.1°C | 3.1°C | 72 mm | 83% | 3.1 m/s | 4.9 |
| 1999 | 16.3°C | 11.8°C | 7.4°C | 21.1°C | 3.6°C | 58 mm | 83% | 3.3 m/s | 4.2 |
| 1998 | 16.6°C | 11.8°C | 6.9°C | 22.7°C | 2.1°C | 30 mm | 83% | 2.9 m/s | 5.6 |
| 1997 | 15.5°C | 10.3°C | 5.2°C | 22.0°C | 0.4°C | 75 mm | 81% | 2.8 m/s | 4.9 |
| 1996 ❄️ | 12.6°C | 8.0°C | 3.4°C | 19.7°C | -1.5°C | 62 mm | 80% | 3.4 m/s | 4.3 |
| 1995 | 15.0°C | 10.3°C | 5.5°C | 22.3°C | -0.5°C | 53 mm | 81% | 3.1 m/s | 4.5 |
| 1994 | 13.8°C | 9.3°C | 4.8°C | 18.1°C | 0.2°C | 51 mm | 82% | 3.1 m/s | 4.4 |
| 1993 | 15.1°C | 10.5°C | 5.8°C | 19.7°C | 0.5°C | 83 mm | 80% | 3.9 m/s | 4.2 |
| 1992 | 18.0°C | 12.6°C | 7.2°C | 24.0°C | 2.7°C | 59 mm | 78% | 3.4 m/s | 5.3 |
| 1991 | 15.1°C | 10.3°C | 5.5°C | 19.9°C | 0.2°C | 18 mm | 80% | 2.9 m/s | 4.3 |
| 1990 | 17.0°C | 11.5°C | 6.1°C | 23.8°C | 3.3°C | 24 mm | 79% | 2.3 m/s | 5.1 |
| 1989 | 17.0°C | 11.6°C | 6.2°C | 22.7°C | 1.9°C | 26 mm | 82% | 2.6 m/s | 5.4 |
| 1988 | 15.5°C | 11.0°C | 6.4°C | 20.0°C | 2.5°C | 57 mm | 83% | 2.9 m/s | 4.9 |
| 1987 | 13.5°C | 8.9°C | 4.2°C | 19.8°C | -1.2°C | 45 mm | 83% | 3.3 m/s | 4.5 |
| 1986 | 13.8°C | 9.8°C | 5.8°C | 18.9°C | 3.3°C | 78 mm | 85% | 4.1 m/s | 4.4 |
| 1985 | 14.6°C | 10.2°C | 5.8°C | 20.2°C | 2.1°C | 87 mm | 83% | 3.1 m/s | 4.4 |
| 1984 | 14.1°C | 9.2°C | 4.3°C | 19.8°C | -0.6°C | 53 mm | 80% | 2.8 m/s | 4.7 |
| 1983 | 12.8°C | 9.2°C | 5.7°C | 16.8°C | 2.2°C | 112 mm | 86% | 3 m/s | — |
| 1982 | 15.2°C | 10.1°C | 5.0°C | 21.9°C | -2.2°C | 25 mm | 80% | 2.9 m/s | — |
| 1981 | 14.3°C | 10.3°C | 6.4°C | 20.1°C | -0.1°C | 108 mm | 87% | 3.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 15.4°C with lows near 6.1°C (mean 10.8°C), based on 45 years of NASA POWER data.
May averages 63 mm of rainfall in Stafford, about average for rainfall. The wettest on record was 128 mm in 2021.
The hottest May reached 24.9°C in 2005. The coldest dipped to -2.2°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.9°C. Daytime highs moved from 14.2°C to 16.3°C and overnight lows from 5.4°C to 7.1°C over the same span.
May is one of the warmer months of the year in Stafford and about average for rainfall, so plan for around 15.4°C daytime highs and 6.1°C at night.
Not quite — May is the 8th coolest month in Stafford, averaging 10.8°C.
For May in Stafford, pack warm layers and a jacket for chilly mornings, with typical highs of 15.4°C and lows of 6.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 82% — quite humid.
Average wind speed in May is 3.1 m/s. The windiest May on record averaged 4.1 m/s (1986).
The wettest May on record was 2021 with 128 mm. On average, May sees 63 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 Stafford 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.
