June is one of the cooler months of the year in Greymouth, with average highs near 10.2°C and lows around 5.9°C (mean 8.1°C). It is a relatively wet time of year, averaging 180 mm of rainfall and 88% relative humidity across the period.
June is one of the cooler months of the year in Greymouth. Across 45 years of records, the warmest June in Greymouth was 2023 — when the month averaged 9.6°C — while the coldest was 1991 at 6.3°C. Typical June days reach 10.2°C with nights near 5.9°C. The long-term trend is warming, about 0.3°C per decade.
June is a relatively wet time of year in Greymouth, averaging 180 mm of rainfall. The wettest June on record was 2003 with 290 mm, while the driest was 1997 at 80 mm.
Relative humidity in Greymouth during June averages 88%. The most humid June was 2002 at 91%, and the least humid was 1982 at 83%.
June receives about 1.4 kWh/m²/day of solar energy in Greymouth. The sunniest Junes were 2017, 2018 and 2023, among others at 1.5 kWh/m²/day, and the cloudiest was 2002 at 1.1.
Average wind speed in Greymouth during June is 1.4 m/s. The windiest Junes were 2007, 2015 and 2022, among others at 1.6 m/s, while the calmest were 2017, 2018 and 2019, among others at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.9°C | 7.5°C | 8.1°C | 8.2°C | 9.0°C | +1.1°C |
| Avg High | 10.1°C | 9.6°C | 10.2°C | 10.4°C | 11.1°C | +1°C |
| Avg Low | 5.7°C | 5.3°C | 5.9°C | 6.0°C | 6.9°C | +1.2°C |
| Avg Rain | 180 mm | 163 mm | 195 mm | 174 mm | 191 mm | +11 mm |
June temperatures in Greymouth have risen by about 1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -1.4°C (2012) to a record high of 15.1°C (2008).
Rainfall in June is a relatively wet time of year, averaging 180 mm, with a wettest year of 290 mm.
A quieter season to visit Greymouth
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Greymouth. That said, June — with days averaging 10.2°C and nights around 5.9°C (mean 8.1°C) and higher rainfall (180 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 | 10.7°C | 8.5°C | 6.3°C | 14.5°C | 1.4°C | 248 mm | 88% | 1.4 m/s | 1.4 |
| 2024 | 10.9°C | 8.8°C | 6.6°C | 14.0°C | 4.1°C | 161 mm | 90% | 1.3 m/s | 1.4 |
| 2023 🔥 | 11.7°C | 9.6°C | 7.4°C | 14.8°C | 3.6°C | 134 mm | 88% | 1.3 m/s | 1.5 |
| 2022 | 10.6°C | 8.9°C | 7.1°C | 14.6°C | 3.1°C | 284 mm | 90% | 1.6 m/s | 1.2 |
| 2021 | 11.4°C | 9.5°C | 7.5°C | 13.6°C | 1.7°C | 211 mm | 90% | 1.3 m/s | 1.4 |
| 2020 | 11.1°C | 8.8°C | 6.5°C | 14.2°C | 2.4°C | 108 mm | 88% | 1.3 m/s | 1.4 |
| 2019 | 10.5°C | 8.0°C | 5.6°C | 14.0°C | 1.7°C | 106 mm | 87% | 1.2 m/s | 1.4 |
| 2018 | 10.2°C | 8.0°C | 5.8°C | 12.4°C | 3.0°C | 89 mm | 87% | 1.2 m/s | 1.5 |
| 2017 | 10.2°C | 8.1°C | 6.0°C | 12.5°C | 2.6°C | 120 mm | 88% | 1.2 m/s | 1.5 |
| 2016 | 11.6°C | 9.3°C | 7.0°C | 14.2°C | 2.6°C | 220 mm | 88% | 1.2 m/s | 1.4 |
| 2015 | 9.9°C | 7.9°C | 5.9°C | 14.7°C | 0.0°C | 274 mm | 89% | 1.6 m/s | 1.3 |
| 2014 | 11.5°C | 9.5°C | 7.6°C | 13.4°C | 4.0°C | 216 mm | 90% | 1.5 m/s | 1.2 |
| 2013 | 9.9°C | 7.9°C | 5.8°C | 12.8°C | 0.9°C | 199 mm | 88% | 1.3 m/s | 1.3 |
| 2012 | 9.3°C | 6.9°C | 4.6°C | 12.1°C | -1.4°C | 210 mm | 88% | 1.5 m/s | 1.3 |
| 2011 | 10.9°C | 8.8°C | 6.7°C | 14.1°C | 3.0°C | 128 mm | 89% | 1.3 m/s | 1.3 |
| 2010 | 9.9°C | 7.7°C | 5.5°C | 13.5°C | 2.3°C | 176 mm | 88% | 1.4 m/s | 1.4 |
| 2009 | 9.3°C | 7.0°C | 4.7°C | 12.7°C | 1.3°C | 89 mm | 84% | 1.2 m/s | 1.5 |
| 2008 | 10.7°C | 8.3°C | 6.0°C | 15.1°C | 1.9°C | 146 mm | 88% | 1.4 m/s | 1.3 |
| 2007 | 9.3°C | 7.0°C | 4.7°C | 13.2°C | 0.6°C | 209 mm | 86% | 1.6 m/s | 1.4 |
| 2006 | 9.1°C | 6.7°C | 4.3°C | 12.6°C | 1.1°C | 252 mm | 85% | 1.3 m/s | 1.5 |
| 2005 | 10.1°C | 7.8°C | 5.6°C | 12.9°C | 1.1°C | 143 mm | 86% | 1.5 m/s | 1.4 |
| 2004 | 10.7°C | 8.8°C | 7.0°C | 13.1°C | 3.4°C | 262 mm | 91% | 1.4 m/s | 1.2 |
| 2003 🌧️ | 11.4°C | 9.4°C | 7.4°C | 14.1°C | 1.6°C | 290 mm | 89% | 1.5 m/s | 1.2 |
| 2002 | 10.7°C | 8.8°C | 6.9°C | 13.1°C | 2.0°C | 258 mm | 91% | 1.5 m/s | 1.1 |
| 2001 | 10.6°C | 8.2°C | 5.8°C | 13.6°C | 0.7°C | 176 mm | 87% | 1.2 m/s | 1.2 |
| 2000 | 10.6°C | 8.6°C | 6.7°C | 12.7°C | 1.9°C | 128 mm | 89% | 1.5 m/s | 1.3 |
| 1999 | 10.9°C | 8.8°C | 6.8°C | 13.8°C | 2.9°C | 102 mm | 86% | 1.3 m/s | 1.3 |
| 1998 | 10.8°C | 8.7°C | 6.5°C | 14.3°C | 3.3°C | 133 mm | 89% | 1.4 m/s | 1.3 |
| 1997 | 10.2°C | 7.6°C | 5.1°C | 13.3°C | 1.2°C | 80 mm | 85% | 1.2 m/s | 1.4 |
| 1996 | 9.1°C | 6.9°C | 4.7°C | 12.4°C | 0.1°C | 139 mm | 87% | 1.4 m/s | 1.4 |
| 1995 | 8.9°C | 7.0°C | 5.1°C | 12.9°C | 1.3°C | 231 mm | 88% | 1.4 m/s | 1.3 |
| 1994 | 9.2°C | 6.8°C | 4.3°C | 12.1°C | 0.2°C | 221 mm | 87% | 1.4 m/s | 1.4 |
| 1993 | 10.2°C | 8.5°C | 6.7°C | 13.0°C | 1.0°C | 284 mm | 90% | 1.6 m/s | 1.2 |
| 1992 | 8.3°C | 6.4°C | 4.5°C | 11.4°C | 0.0°C | 153 mm | 89% | 1.3 m/s | 1.4 |
| 1991 ❄️ | 8.7°C | 6.3°C | 3.8°C | 13.3°C | -0.2°C | 110 mm | 86% | 1.3 m/s | 1.5 |
| 1990 | 9.9°C | 7.8°C | 5.7°C | 12.6°C | 1.5°C | 181 mm | 87% | 1.3 m/s | 1.5 |
| 1989 | 10.2°C | 7.6°C | 5.1°C | 14.2°C | 0.3°C | 238 mm | 86% | 1.4 m/s | 1.4 |
| 1988 | 10.3°C | 7.9°C | 5.6°C | 13.8°C | 0.6°C | 175 mm | 88% | 1.4 m/s | 1.3 |
| 1987 | 9.9°C | 7.8°C | 5.6°C | 12.5°C | 2.2°C | 205 mm | 89% | 1.3 m/s | 1.3 |
| 1986 | 9.5°C | 7.4°C | 5.4°C | 13.6°C | 0.6°C | 289 mm | 89% | 1.4 m/s | 1.4 |
| 1985 | 10.8°C | 8.8°C | 6.9°C | 13.9°C | 2.5°C | 168 mm | 89% | 1.3 m/s | 1.4 |
| 1984 | 10.9°C | 8.9°C | 6.9°C | 13.1°C | 2.6°C | 149 mm | 90% | 1.2 m/s | 1.4 |
| 1983 | 9.3°C | 7.4°C | 5.4°C | 12.3°C | 1.1°C | 94 mm | 88% | 1.3 m/s | — |
| 1982 | 9.8°C | 7.2°C | 4.5°C | 13.5°C | 1.3°C | 87 mm | 83% | 1.3 m/s | — |
| 1981 | 10.0°C | 8.0°C | 6.0°C | 14.1°C | 1.1°C | 214 mm | 88% | 1.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 10.2°C with lows near 5.9°C (mean 8.1°C), based on 45 years of NASA POWER data.
June averages 180 mm of rainfall in Greymouth, a relatively wet time of year. The wettest on record was 290 mm in 2003.
The hottest June reached 15.1°C in 2008. The coldest dipped to -1.4°C in 2012.
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 10.2°C to 11.1°C and overnight lows from 5.9°C to 7°C over the same span.
June is one of the cooler months of the year in Greymouth and a relatively wet time of year, so plan for around 10.2°C daytime highs and 5.9°C at night.
Not quite — June is the 3rd coolest month in Greymouth, averaging 8.1°C.
For June in Greymouth, pack warm layers and a jacket for chilly mornings, with typical highs of 10.2°C and lows of 5.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 88% — quite humid.
Average wind speed in June is 1.4 m/s. The windiest June on record averaged 1.6 m/s (1993).
The wettest June on record was 2003 with 290 mm. On average, June sees 180 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 Greymouth 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.
