May is one of the cooler months of the year in Hawera, with average highs near 14.7°C and lows around 9.3°C (mean 12°C). It is a relatively wet time of year, averaging 110 mm of rainfall and 87% relative humidity across the period.
May is one of the cooler months of the year in Hawera. Across 45 years of records, the warmest May in Hawera was 2016 — when the month averaged 13.9°C — while the coldest was 1992 at 9.4°C. Typical May days reach 14.7°C with nights near 9.3°C. The long-term trend is warming, about 0.2°C per decade.
May is a relatively wet time of year in Hawera, averaging 110 mm of rainfall. The wettest May on record was 1994 with 212 mm, while the driest was 2007 at 32 mm.
Relative humidity in Hawera during May averages 87%. The most humid May was 1997 at 90%, and the least humid was 2002 at 84%.
May receives about 2.2 kWh/m²/day of solar energy in Hawera. The sunniest Mays were 1985 and 2008 at 2.4 kWh/m²/day, and the cloudiest were 2013, 2016 and 2023, among others at 2.
Average wind speed in Hawera during May is 4 m/s. The windiest May was 1983 at 5.2 m/s, while the calmest was 1997 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.6°C | 11.7°C | 12.1°C | 12.4°C | 12.3°C | +0.7°C |
| Avg High | 14.4°C | 14.3°C | 14.8°C | 15.0°C | 15.1°C | +0.7°C |
| Avg Low | 8.7°C | 9.1°C | 9.3°C | 9.8°C | 9.5°C | +0.8°C |
| Avg Rain | 90 mm | 123 mm | 90 mm | 126 mm | 127 mm | +37 mm |
May temperatures in Hawera have risen by about 1.2°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 1.6°C (1992) to a record high of 20.7°C (1989).
Rainfall in May is a relatively wet time of year, averaging 110 mm, with a wettest year of 212 mm.
A good time to visit Hawera
May is a good time to visit Hawera, with days averaging 14.7°C and nights around 9.3°C (mean 12°C, cooler than Hawera's yearly average) and higher rainfall. February and January 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 | 15.3°C | 12.4°C | 9.5°C | 18.6°C | 4.0°C | 105 mm | 87% | 3.9 m/s | 2.3 |
| 2024 | 13.6°C | 10.8°C | 8.0°C | 17.3°C | 3.2°C | 79 mm | 86% | 3.6 m/s | 2.3 |
| 2023 | 16.1°C | 13.7°C | 11.3°C | 20.1°C | 6.7°C | 190 mm | 89% | 4.1 m/s | 2 |
| 2022 | 16.0°C | 13.3°C | 10.5°C | 18.7°C | 4.4°C | 145 mm | 88% | 3.9 m/s | 2.2 |
| 2021 | 14.9°C | 12.1°C | 9.4°C | 18.9°C | 2.6°C | 115 mm | 87% | 4.3 m/s | 2.2 |
| 2020 | 14.9°C | 11.6°C | 8.3°C | 17.5°C | 4.1°C | 128 mm | 87% | 3.3 m/s | 2.3 |
| 2019 | 16.0°C | 13.4°C | 10.8°C | 18.0°C | 7.0°C | 95 mm | 86% | 4 m/s | 2.2 |
| 2018 | 14.7°C | 12.3°C | 9.9°C | 18.2°C | 5.7°C | 169 mm | 87% | 4.3 m/s | 2.1 |
| 2017 | 14.6°C | 11.9°C | 9.2°C | 18.2°C | 4.0°C | 127 mm | 86% | 3.9 m/s | 2.1 |
| 2016 🔥 | 16.2°C | 13.9°C | 11.7°C | 19.4°C | 6.4°C | 166 mm | 87% | 4.7 m/s | 2 |
| 2015 | 14.5°C | 12.0°C | 9.4°C | 18.4°C | 2.9°C | 125 mm | 85% | 4.1 m/s | 2.1 |
| 2014 | 14.9°C | 12.3°C | 9.7°C | 18.2°C | 3.7°C | 78 mm | 87% | 3.9 m/s | 2.2 |
| 2013 | 14.9°C | 12.1°C | 9.3°C | 18.0°C | 4.7°C | 140 mm | 87% | 3.6 m/s | 2 |
| 2012 | 13.8°C | 11.0°C | 8.2°C | 17.2°C | 3.6°C | 91 mm | 86% | 3.6 m/s | 2.3 |
| 2011 | 15.8°C | 13.4°C | 11.1°C | 19.0°C | 6.7°C | 130 mm | 88% | 4.6 m/s | 2 |
| 2010 | 14.8°C | 11.9°C | 9.1°C | 18.5°C | 5.5°C | 135 mm | 87% | 3.5 m/s | 2.2 |
| 2009 | 12.3°C | 10.0°C | 7.6°C | 16.4°C | 3.4°C | 127 mm | 86% | 4.6 m/s | 2 |
| 2008 | 13.8°C | 10.6°C | 7.5°C | 15.9°C | 4.7°C | 63 mm | 86% | 3.5 m/s | 2.4 |
| 2007 | 15.9°C | 13.0°C | 10.1°C | 18.3°C | 5.3°C | 32 mm | 89% | 3.8 m/s | 2.2 |
| 2006 | 14.6°C | 12.0°C | 9.3°C | 16.9°C | 4.6°C | 100 mm | 87% | 3.5 m/s | 2.1 |
| 2005 | 15.3°C | 12.7°C | 10.2°C | 19.0°C | 5.9°C | 123 mm | 89% | 3.8 m/s | 2 |
| 2004 | 14.9°C | 12.1°C | 9.3°C | 17.9°C | 5.3°C | 85 mm | 89% | 4.3 m/s | 2.2 |
| 2003 | 15.6°C | 12.7°C | 9.7°C | 18.9°C | 5.7°C | 112 mm | 85% | 3.8 m/s | 2.2 |
| 2002 | 14.9°C | 12.3°C | 9.8°C | 18.0°C | 5.8°C | 75 mm | 84% | 5 m/s | 2 |
| 2001 | 15.3°C | 12.8°C | 10.2°C | 19.9°C | 3.3°C | 105 mm | 86% | 4.3 m/s | 2.1 |
| 2000 | 15.5°C | 12.6°C | 9.7°C | 18.2°C | 5.1°C | 78 mm | 86% | 3.7 m/s | 2 |
| 1999 | 15.8°C | 13.1°C | 10.5°C | 18.9°C | 5.9°C | 100 mm | 87% | 4.2 m/s | 2 |
| 1998 | 14.8°C | 11.9°C | 9.0°C | 17.1°C | 4.8°C | 95 mm | 86% | 3.9 m/s | 2.1 |
| 1997 | 15.3°C | 12.5°C | 9.7°C | 18.2°C | 6.7°C | 68 mm | 90% | 3.2 m/s | 2.1 |
| 1996 | 13.8°C | 11.2°C | 8.5°C | 16.7°C | 3.2°C | 135 mm | 87% | 3.9 m/s | 2.2 |
| 1995 | 14.5°C | 11.8°C | 9.0°C | 20.5°C | 3.1°C | 148 mm | 88% | 3.9 m/s | 2.3 |
| 1994 🌧️ | 14.3°C | 12.1°C | 9.8°C | 17.4°C | 5.9°C | 212 mm | 86% | 4.7 m/s | 2.1 |
| 1993 | 14.0°C | 11.7°C | 9.4°C | 16.7°C | 5.5°C | 144 mm | 89% | 4.3 m/s | 2 |
| 1992 ❄️ | 11.9°C | 9.4°C | 6.8°C | 17.0°C | 1.6°C | 123 mm | 88% | 4.1 m/s | 2.2 |
| 1991 | 13.6°C | 11.1°C | 8.6°C | 15.9°C | 6.1°C | 76 mm | 88% | 3.5 m/s | 2.3 |
| 1990 | 14.5°C | 12.2°C | 10.0°C | 16.7°C | 6.0°C | 130 mm | 86% | 4.5 m/s | 2.1 |
| 1989 | 14.9°C | 12.1°C | 9.4°C | 20.7°C | 5.2°C | 124 mm | 87% | 3.3 m/s | 2.2 |
| 1988 | 14.6°C | 11.7°C | 8.8°C | 19.3°C | 4.5°C | 90 mm | 86% | 4 m/s | 2 |
| 1987 | 14.6°C | 11.7°C | 8.9°C | 17.0°C | 6.1°C | 85 mm | 88% | 3.3 m/s | 2.1 |
| 1986 | 14.9°C | 12.0°C | 9.1°C | 17.4°C | 3.9°C | 103 mm | 85% | 4 m/s | 2.3 |
| 1985 | 14.3°C | 11.2°C | 8.0°C | 18.0°C | 3.8°C | 34 mm | 86% | 3.7 m/s | 2.4 |
| 1984 | 14.0°C | 11.1°C | 8.1°C | 17.1°C | 2.4°C | 82 mm | 85% | 4.1 m/s | 2.2 |
| 1983 | 13.3°C | 11.0°C | 8.7°C | 18.5°C | 4.9°C | 104 mm | 86% | 5.2 m/s | — |
| 1982 | 14.6°C | 11.7°C | 8.9°C | 16.7°C | 4.6°C | 117 mm | 85% | 4.5 m/s | — |
| 1981 | 14.8°C | 11.7°C | 8.6°C | 19.0°C | 4.6°C | 68 mm | 86% | 3.7 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 14.7°C with lows near 9.3°C (mean 12°C), based on 45 years of NASA POWER data.
May averages 110 mm of rainfall in Hawera, a relatively wet time of year. The wettest on record was 212 mm in 1994.
The hottest May reached 20.7°C in 1989. The coldest dipped to 1.6°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.2°C. Daytime highs moved from 14.2°C to 15.2°C and overnight lows from 8.5°C to 9.7°C over the same span.
May is one of the cooler months of the year in Hawera and a relatively wet time of year, so plan for around 14.7°C daytime highs and 9.3°C at night.
Not quite — May is the 6th coolest month in Hawera, averaging 12°C.
For May in Hawera, pack light layers you can adjust through the day, with typical highs of 14.7°C and lows of 9.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 87% — quite humid.
Average wind speed in May is 4 m/s. The windiest May on record averaged 5.2 m/s (1983).
The wettest May on record was 1994 with 212 mm. On average, May sees 110 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 Hawera 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.
