June is one of the cooler months of the year in New Plymouth, with average highs near 12.8°C and lows around 8.2°C (mean 10.5°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 88% relative humidity across the period.
June is one of the cooler months of the year in New Plymouth. Across 45 years of records, the warmest June in New Plymouth was 2002 — when the month averaged 11.9°C — while the coldest were 1992, 2006 and 2009, among others at 8.9°C. Typical June days reach 12.8°C with nights near 8.2°C. The long-term trend is warming, about 0.3°C per decade.
June is a relatively wet time of year in New Plymouth, averaging 132 mm of rainfall. The wettest June on record was 1994 with 232 mm, while the driest was 1984 at 56 mm.
Relative humidity in New Plymouth during June averages 88%. The most humid June was 1981 at 90%, and the least humid was 2019 at 85%.
June receives about 1.7 kWh/m²/day of solar energy in New Plymouth. The sunniest Junes were 2017 and 2023 at 1.9 kWh/m²/day, and the cloudiest was 2002 at 1.4.
Average wind speed in New Plymouth during June is 4.2 m/s. The windiest June was 2002 at 5.3 m/s, while the calmest was 2017 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.3°C | 9.9°C | 10.5°C | 10.6°C | 11.4°C | +1.1°C |
| Avg High | 12.8°C | 12.2°C | 12.8°C | 12.9°C | 13.7°C | +0.9°C |
| Avg Low | 8.0°C | 7.7°C | 8.2°C | 8.3°C | 9.2°C | +1.2°C |
| Avg Rain | 117 mm | 147 mm | 119 mm | 134 mm | 150 mm | +32 mm |
June temperatures in New Plymouth have risen by about 1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.7°C (1994) to a record high of 17.7°C (1998).
Rainfall in June is a relatively wet time of year, averaging 132 mm, with a wettest year of 232 mm.
A quieter season to visit New Plymouth
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting New Plymouth. That said, June — with days averaging 12.8°C and nights around 8.2°C (mean 10.5°C) and higher rainfall (132 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.7°C | 11.3°C | 8.9°C | 17.2°C | 3.9°C | 199 mm | 88% | 4.3 m/s | 1.7 |
| 2024 | 13.6°C | 11.1°C | 8.6°C | 16.3°C | 5.3°C | 106 mm | 89% | 3.7 m/s | 1.8 |
| 2023 | 13.8°C | 11.4°C | 8.9°C | 16.0°C | 5.6°C | 104 mm | 89% | 4 m/s | 1.9 |
| 2022 | 13.5°C | 11.6°C | 9.8°C | 17.1°C | 4.2°C | 221 mm | 88% | 4.8 m/s | 1.7 |
| 2021 | 13.8°C | 11.7°C | 9.6°C | 17.0°C | 4.8°C | 143 mm | 90% | 3.9 m/s | 1.6 |
| 2020 | 13.7°C | 11.5°C | 9.3°C | 16.1°C | 4.8°C | 125 mm | 89% | 4.4 m/s | 1.6 |
| 2019 | 12.8°C | 10.2°C | 7.5°C | 17.1°C | 3.0°C | 95 mm | 85% | 3.5 m/s | 1.8 |
| 2018 | 12.5°C | 10.1°C | 7.7°C | 15.5°C | 3.4°C | 117 mm | 89% | 3.9 m/s | 1.6 |
| 2017 | 12.8°C | 10.1°C | 7.4°C | 14.7°C | 4.7°C | 75 mm | 88% | 3.2 m/s | 1.9 |
| 2016 | 14.0°C | 11.6°C | 9.2°C | 16.7°C | 3.4°C | 115 mm | 87% | 4.2 m/s | 1.6 |
| 2015 | 12.6°C | 10.7°C | 8.7°C | 16.1°C | 3.2°C | 213 mm | 87% | 5.1 m/s | 1.6 |
| 2014 | 13.9°C | 11.6°C | 9.4°C | 16.3°C | 3.4°C | 122 mm | 88% | 4.3 m/s | 1.6 |
| 2013 | 12.6°C | 10.4°C | 8.1°C | 15.4°C | 4.3°C | 146 mm | 88% | 4.2 m/s | 1.5 |
| 2012 | 12.2°C | 9.9°C | 7.5°C | 16.3°C | 2.6°C | 92 mm | 87% | 4.6 m/s | 1.7 |
| 2011 | 13.4°C | 11.3°C | 9.3°C | 16.8°C | 4.6°C | 159 mm | 89% | 4.3 m/s | 1.5 |
| 2010 | 12.6°C | 10.3°C | 7.9°C | 15.8°C | 4.3°C | 209 mm | 88% | 4.5 m/s | 1.6 |
| 2009 | 11.6°C | 8.9°C | 6.3°C | 15.4°C | 2.2°C | 80 mm | 86% | 4.3 m/s | 1.7 |
| 2008 | 12.9°C | 10.6°C | 8.2°C | 17.5°C | 4.9°C | 149 mm | 86% | 4.6 m/s | 1.7 |
| 2007 | 12.6°C | 10.3°C | 8.0°C | 16.1°C | 3.1°C | 132 mm | 86% | 5.1 m/s | 1.7 |
| 2006 | 11.7°C | 8.9°C | 6.1°C | 15.6°C | 2.6°C | 85 mm | 86% | 4.5 m/s | 1.8 |
| 2005 | 12.4°C | 10.0°C | 7.7°C | 14.3°C | 2.3°C | 98 mm | 87% | 4.4 m/s | 1.7 |
| 2004 | 13.0°C | 10.9°C | 8.9°C | 15.2°C | 2.8°C | 144 mm | 88% | 4.4 m/s | 1.6 |
| 2003 | 14.0°C | 11.8°C | 9.7°C | 17.1°C | 3.6°C | 165 mm | 88% | 4.7 m/s | 1.7 |
| 2002 🔥 | 13.7°C | 11.9°C | 10.0°C | 15.9°C | 4.9°C | 115 mm | 88% | 5.3 m/s | 1.4 |
| 2001 | 13.0°C | 10.3°C | 7.6°C | 17.1°C | 3.8°C | 131 mm | 87% | 3.6 m/s | 1.7 |
| 2000 | 13.1°C | 11.0°C | 9.0°C | 15.1°C | 5.3°C | 86 mm | 86% | 4.4 m/s | 1.7 |
| 1999 | 13.6°C | 11.1°C | 8.5°C | 16.7°C | 3.8°C | 94 mm | 86% | 3.6 m/s | 1.8 |
| 1998 | 13.7°C | 11.0°C | 8.3°C | 17.7°C | 3.9°C | 118 mm | 88% | 4 m/s | 1.5 |
| 1997 | 12.2°C | 9.7°C | 7.3°C | 14.9°C | 4.1°C | 74 mm | 88% | 4.2 m/s | 1.7 |
| 1996 | 11.5°C | 9.1°C | 6.7°C | 14.2°C | 3.0°C | 136 mm | 87% | 4.1 m/s | 1.7 |
| 1995 | 11.9°C | 9.9°C | 7.9°C | 15.2°C | 4.1°C | 169 mm | 88% | 4.3 m/s | 1.7 |
| 1994 🌧️ | 11.6°C | 9.4°C | 7.3°C | 15.0°C | 1.7°C | 232 mm | 89% | 4.4 m/s | 1.7 |
| 1993 | 12.4°C | 10.6°C | 8.8°C | 15.9°C | 3.8°C | 164 mm | 89% | 5.1 m/s | 1.6 |
| 1992 | 11.0°C | 8.9°C | 6.9°C | 16.2°C | 2.7°C | 142 mm | 88% | 3.6 m/s | 1.8 |
| 1991 | 11.5°C | 9.2°C | 7.0°C | 14.3°C | 3.4°C | 143 mm | 88% | 4.5 m/s | 1.7 |
| 1990 | 12.2°C | 10.2°C | 8.2°C | 16.0°C | 4.0°C | 192 mm | 89% | 4.1 m/s | 1.7 |
| 1989 | 12.8°C | 10.3°C | 7.9°C | 16.3°C | 3.6°C | 131 mm | 88% | 4.5 m/s | 1.7 |
| 1988 | 13.0°C | 10.5°C | 8.1°C | 15.6°C | 2.7°C | 114 mm | 88% | 4.3 m/s | 1.6 |
| 1987 | 12.6°C | 10.2°C | 7.9°C | 14.5°C | 1.9°C | 105 mm | 87% | 3.6 m/s | 1.7 |
| 1986 | 12.5°C | 10.1°C | 7.7°C | 15.9°C | 2.9°C | 117 mm | 87% | 4 m/s | 1.8 |
| 1985 | 13.6°C | 11.4°C | 9.3°C | 15.9°C | 4.1°C | 182 mm | 90% | 3.9 m/s | 1.7 |
| 1984 | 13.2°C | 11.0°C | 8.8°C | 15.2°C | 3.6°C | 56 mm | 89% | 3.8 m/s | 1.8 |
| 1983 | 12.4°C | 9.7°C | 7.1°C | 15.3°C | 3.1°C | 94 mm | 87% | 3.9 m/s | — |
| 1982 ❄️ | 11.8°C | 8.9°C | 6.1°C | 15.7°C | 2.8°C | 96 mm | 88% | 3.9 m/s | — |
| 1981 | 13.0°C | 10.9°C | 8.7°C | 16.8°C | 3.5°C | 161 mm | 90% | 4.5 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 12.8°C with lows near 8.2°C (mean 10.5°C), based on 45 years of NASA POWER data.
June averages 132 mm of rainfall in New Plymouth, a relatively wet time of year. The wettest on record was 232 mm in 1994.
The hottest June reached 17.7°C in 1998. The coldest dipped to 1.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1°C. Daytime highs moved from 12.8°C to 13.7°C and overnight lows from 8°C to 9.2°C over the same span.
June is one of the cooler months of the year in New Plymouth and a relatively wet time of year, so plan for around 12.8°C daytime highs and 8.2°C at night.
Not quite — June is the 3rd coolest month in New Plymouth, averaging 10.5°C.
For June in New Plymouth, pack light layers you can adjust through the day, with typical highs of 12.8°C and lows of 8.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 88% — quite humid.
Average wind speed in June is 4.2 m/s. The windiest June on record averaged 5.3 m/s (2002).
The wettest June on record was 1994 with 232 mm. On average, June sees 132 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 New Plymouth behaves each June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
