May is close to Kaitaia's year-round average, with average highs near 17.8°C and lows around 15.1°C (mean 16.5°C). It is about average for rainfall, averaging 99 mm of rainfall and 79% relative humidity across the period.
May is close to Kaitaia's year-round average. Across 45 years of records, the warmest May in Kaitaia was 2016 — when the month averaged 18.4°C — while the coldest was 1992 at 14.3°C. Typical May days reach 17.8°C with nights near 15.1°C. The long-term trend is warming, about 0.2°C per decade.
May is about average for rainfall in Kaitaia, averaging 99 mm of rainfall. The wettest May on record was 2023 with 185 mm, while the driest was 2014 at 39 mm.
Relative humidity in Kaitaia during May averages 79%. The most humid May was 2023 at 84%, and the least humid was 1998 at 76%.
May receives about 2.5 kWh/m²/day of solar energy in Kaitaia. The sunniest May was 2024 at 2.8 kWh/m²/day, and the cloudiest was 2002 at 2.2.
Average wind speed in Kaitaia during May is 5.7 m/s. The windiest May was 1994 at 6.7 m/s, while the calmest was 2007 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.1°C | 16.2°C | 16.6°C | 16.8°C | 16.8°C | +0.7°C |
| Avg High | 17.5°C | 17.5°C | 17.9°C | 18.1°C | 18.2°C | +0.7°C |
| Avg Low | 14.7°C | 14.8°C | 15.3°C | 15.4°C | 15.5°C | +0.8°C |
| Avg Rain | 96 mm | 93 mm | 120 mm | 81 mm | 106 mm | +10 mm |
May temperatures in Kaitaia have risen by about 0.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 9.7°C (1992) to a record high of 21.8°C (2016).
Rainfall in May is about average for rainfall, averaging 99 mm, with a wettest year of 185 mm.
A good time to visit Kaitaia
May is a good time to visit Kaitaia, with days averaging 17.8°C and nights around 15.1°C (mean 16.5°C, close to Kaitaia'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 | 18.7°C | 17.3°C | 15.8°C | 20.5°C | 13.6°C | 78 mm | 78% | 5.4 m/s | 2.7 |
| 2024 | 17.2°C | 15.8°C | 14.4°C | 18.8°C | 12.2°C | 59 mm | 77% | 5.7 m/s | 2.8 |
| 2023 🌧️ | 18.4°C | 17.2°C | 16.1°C | 21.4°C | 13.4°C | 185 mm | 84% | 6.6 m/s | 2.4 |
| 2022 | 19.0°C | 17.5°C | 16.1°C | 20.8°C | 12.7°C | 117 mm | 77% | 5.5 m/s | 2.6 |
| 2021 | 17.8°C | 16.6°C | 15.3°C | 19.9°C | 12.6°C | 67 mm | 79% | 5.7 m/s | 2.7 |
| 2020 | 18.1°C | 16.7°C | 15.3°C | 21.1°C | 12.5°C | 130 mm | 80% | 5.9 m/s | 2.5 |
| 2019 | 18.9°C | 17.4°C | 15.9°C | 20.6°C | 14.1°C | 42 mm | 78% | 5.1 m/s | 2.7 |
| 2018 | 18.2°C | 16.8°C | 15.4°C | 20.6°C | 10.8°C | 82 mm | 78% | 5.5 m/s | 2.7 |
| 2017 | 17.8°C | 16.5°C | 15.1°C | 19.7°C | 11.7°C | 58 mm | 77% | 5.2 m/s | 2.6 |
| 2016 🔥 | 19.8°C | 18.4°C | 17.0°C | 21.8°C | 15.0°C | 66 mm | 78% | 6.1 m/s | 2.6 |
| 2015 | 17.8°C | 16.5°C | 15.1°C | 21.3°C | 12.3°C | 111 mm | 76% | 5.8 m/s | 2.4 |
| 2014 | 17.7°C | 16.2°C | 14.8°C | 19.9°C | 11.0°C | 39 mm | 78% | 4.7 m/s | 2.6 |
| 2013 | 18.0°C | 16.5°C | 15.0°C | 20.6°C | 11.9°C | 102 mm | 78% | 5.8 m/s | 2.5 |
| 2012 | 17.1°C | 15.8°C | 14.4°C | 19.4°C | 12.1°C | 86 mm | 77% | 6.2 m/s | 2.5 |
| 2011 | 18.0°C | 16.8°C | 15.5°C | 20.5°C | 12.5°C | 114 mm | 82% | 5.5 m/s | 2.5 |
| 2010 | 17.9°C | 16.7°C | 15.5°C | 20.0°C | 13.6°C | 108 mm | 77% | 6.6 m/s | 2.3 |
| 2009 | 16.6°C | 15.1°C | 13.6°C | 19.5°C | 9.7°C | 126 mm | 76% | 6.3 m/s | 2.6 |
| 2008 | 17.0°C | 15.9°C | 14.7°C | 18.2°C | 12.4°C | 131 mm | 76% | 5.5 m/s | 2.4 |
| 2007 | 18.5°C | 17.2°C | 15.8°C | 20.7°C | 12.8°C | 41 mm | 77% | 4.1 m/s | 2.6 |
| 2006 | 17.4°C | 16.2°C | 15.0°C | 19.0°C | 12.6°C | 87 mm | 81% | 5.4 m/s | 2.4 |
| 2005 | 18.7°C | 17.3°C | 15.9°C | 21.0°C | 12.4°C | 100 mm | 81% | 5.8 m/s | 2.5 |
| 2004 | 17.7°C | 16.4°C | 15.2°C | 20.9°C | 12.8°C | 152 mm | 82% | 5.9 m/s | 2.3 |
| 2003 | 18.1°C | 16.9°C | 15.6°C | 20.2°C | 13.7°C | 171 mm | 79% | 5.8 m/s | 2.5 |
| 2002 | 18.1°C | 16.9°C | 15.8°C | 19.7°C | 13.6°C | 125 mm | 78% | 6.5 m/s | 2.2 |
| 2001 | 18.4°C | 17.0°C | 15.7°C | 20.6°C | 12.3°C | 160 mm | 82% | 6.4 m/s | 2.3 |
| 2000 | 18.1°C | 16.6°C | 15.2°C | 20.7°C | 13.5°C | 108 mm | 79% | 5.2 m/s | 2.3 |
| 1999 | 18.3°C | 17.0°C | 15.7°C | 20.5°C | 13.5°C | 69 mm | 80% | 5.4 m/s | 2.5 |
| 1998 | 18.9°C | 17.6°C | 16.4°C | 20.3°C | 13.6°C | 64 mm | 76% | 6.3 m/s | 2.3 |
| 1997 | 18.2°C | 16.8°C | 15.3°C | 19.4°C | 13.5°C | 85 mm | 78% | 5.2 m/s | 2.4 |
| 1996 | 17.1°C | 15.8°C | 14.4°C | 19.7°C | 12.3°C | 97 mm | 77% | 6.4 m/s | 2.5 |
| 1995 | 17.9°C | 16.6°C | 15.2°C | 20.9°C | 13.7°C | 141 mm | 80% | 5.4 m/s | 2.6 |
| 1994 | 17.8°C | 16.4°C | 15.1°C | 19.5°C | 12.3°C | 68 mm | 78% | 6.7 m/s | 2.6 |
| 1993 | 16.9°C | 15.6°C | 14.2°C | 18.8°C | 12.4°C | 106 mm | 79% | 5.7 m/s | 2.4 |
| 1992 ❄️ | 15.6°C | 14.3°C | 12.9°C | 18.8°C | 9.7°C | 131 mm | 78% | 6.4 m/s | 2.4 |
| 1991 | 16.2°C | 15.1°C | 13.9°C | 18.1°C | 12.3°C | 77 mm | 77% | 5 m/s | 2.5 |
| 1990 | 17.8°C | 16.5°C | 15.1°C | 19.6°C | 12.8°C | 97 mm | 76% | 5.9 m/s | 2.5 |
| 1989 | 17.8°C | 16.3°C | 14.7°C | 21.0°C | 10.3°C | 51 mm | 76% | 4.8 m/s | 2.6 |
| 1988 | 18.1°C | 16.6°C | 15.1°C | 20.8°C | 13.0°C | 173 mm | 84% | 4.5 m/s | 2.3 |
| 1987 | 17.4°C | 15.8°C | 14.2°C | 19.4°C | 11.9°C | 76 mm | 78% | 4.7 m/s | 2.5 |
| 1986 | 17.9°C | 16.5°C | 15.0°C | 19.9°C | 10.9°C | 97 mm | 77% | 5.2 m/s | 2.6 |
| 1985 | 17.0°C | 15.7°C | 14.4°C | 18.7°C | 12.2°C | 90 mm | 76% | 5.3 m/s | 2.7 |
| 1984 | 17.3°C | 16.0°C | 14.6°C | 19.6°C | 11.3°C | 110 mm | 79% | 5.7 m/s | 2.4 |
| 1983 | 16.8°C | 15.3°C | 13.8°C | 20.4°C | 10.6°C | 68 mm | 80% | 5.8 m/s | — |
| 1982 | 17.7°C | 16.4°C | 15.0°C | 19.4°C | 12.8°C | 68 mm | 79% | 5.7 m/s | — |
| 1981 | 17.9°C | 16.5°C | 15.1°C | 20.1°C | 12.6°C | 131 mm | 80% | 6.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 17.8°C with lows near 15.1°C (mean 16.5°C), based on 45 years of NASA POWER data.
May averages 99 mm of rainfall in Kaitaia, about average for rainfall. The wettest on record was 185 mm in 2023.
The hottest May reached 21.8°C in 2016. The coldest dipped to 9.7°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.9°C. Daytime highs moved from 17.3°C to 18.2°C and overnight lows from 14.6°C to 15.5°C over the same span.
May is close to Kaitaia's year-round average and about average for rainfall, so plan for around 17.8°C daytime highs and 15.1°C at night.
Not quite — May is the 7th coolest month in Kaitaia, averaging 16.5°C.
For May in Kaitaia, pack light layers you can adjust through the day, with typical highs of 17.8°C and lows of 15.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 79% — quite humid.
Average wind speed in May is 5.7 m/s. The windiest May on record averaged 6.7 m/s (1994).
The wettest May on record was 2023 with 185 mm. On average, May sees 99 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 Kaitaia 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.
