June is one of the cooler months of the year in Rolleston, with average highs near 10.8°C and lows around 3.2°C (mean 7°C). It is about average for rainfall, averaging 82 mm of rainfall and 88% relative humidity across the period.
June is one of the cooler months of the year in Rolleston. Across 45 years of records, the warmest June in Rolleston was 2003 — when the month averaged 8.6°C — while the coldest was 1992 at 5.2°C. Typical June days reach 10.8°C with nights near 3.2°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Rolleston, averaging 82 mm of rainfall. The wettest June on record was 1995 with 229 mm, while the driest was 2005 at 31 mm.
Relative humidity in Rolleston during June averages 88%. The most humid June was 2023 at 92%, and the least humid was 2007 at 82%.
June receives about 1.4 kWh/m²/day of solar energy in Rolleston. The sunniest June was 1984 at 1.7 kWh/m²/day, and the cloudiest was 2001 at 1.2.
Average wind speed in Rolleston during June is 2.4 m/s. The windiest June was 1986 at 2.9 m/s, while the calmest was 1992 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.0°C | 6.5°C | 7.1°C | 7.0°C | 7.8°C | +0.8°C |
| Avg High | 10.8°C | 10.3°C | 11.1°C | 10.7°C | 11.3°C | +0.5°C |
| Avg Low | 3.2°C | 2.7°C | 3.1°C | 3.3°C | 4.3°C | +1.1°C |
| Avg Rain | 81 mm | 88 mm | 60 mm | 95 mm | 87 mm | +6 mm |
June temperatures in Rolleston have risen by about 0.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -5.4°C (2012) to a record high of 19.2°C (2008).
Rainfall in June is about average for rainfall, averaging 82 mm, with a wettest year of 229 mm.
A quieter season to visit Rolleston
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Rolleston. That said, June — with days averaging 10.8°C and nights around 3.2°C (mean 7°C) and higher rainfall (82 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 | 10.3°C | 6.9°C | 3.5°C | 15.6°C | -0.3°C | 104 mm | 91% | 2.4 m/s | 1.4 |
| 2024 | 11.6°C | 7.9°C | 4.2°C | 18.7°C | 1.1°C | 80 mm | 89% | 2.1 m/s | 1.4 |
| 2023 | 11.5°C | 8.4°C | 5.4°C | 16.4°C | 1.5°C | 64 mm | 92% | 2.3 m/s | 1.4 |
| 2022 | 11.4°C | 7.7°C | 4.0°C | 15.8°C | 0.1°C | 93 mm | 88% | 2.6 m/s | 1.4 |
| 2021 | 11.5°C | 8.2°C | 4.9°C | 16.6°C | 1.7°C | 86 mm | 92% | 2.1 m/s | 1.3 |
| 2020 | 11.3°C | 7.6°C | 3.9°C | 18.7°C | -1.8°C | 96 mm | 90% | 2.5 m/s | 1.3 |
| 2019 | 11.0°C | 7.0°C | 3.1°C | 14.6°C | -0.7°C | 77 mm | 88% | 2.4 m/s | 1.5 |
| 2018 | 10.1°C | 7.2°C | 4.2°C | 14.8°C | 0.4°C | 83 mm | 92% | 2.1 m/s | 1.3 |
| 2017 | 10.3°C | 6.7°C | 3.2°C | 15.4°C | -0.4°C | 54 mm | 91% | 2.1 m/s | 1.4 |
| 2016 | 12.5°C | 8.3°C | 4.1°C | 17.7°C | 0.2°C | 70 mm | 89% | 2.2 m/s | 1.5 |
| 2015 | 10.8°C | 6.6°C | 2.3°C | 16.4°C | -1.5°C | 124 mm | 86% | 2.7 m/s | 1.6 |
| 2014 | 12.1°C | 8.1°C | 4.2°C | 17.4°C | -0.1°C | 92 mm | 90% | 2 m/s | 1.4 |
| 2013 | 10.3°C | 6.8°C | 3.4°C | 16.7°C | -0.9°C | 178 mm | 91% | 2.4 m/s | 1.3 |
| 2012 | 9.4°C | 5.6°C | 1.7°C | 15.3°C | -5.4°C | 110 mm | 87% | 2.7 m/s | 1.5 |
| 2011 | 11.1°C | 7.5°C | 3.9°C | 16.8°C | 0.0°C | 52 mm | 91% | 2.5 m/s | 1.3 |
| 2010 | 9.6°C | 6.4°C | 3.2°C | 16.4°C | -0.8°C | 104 mm | 92% | 2.4 m/s | 1.3 |
| 2009 | 9.4°C | 6.0°C | 2.5°C | 14.4°C | -0.1°C | 33 mm | 88% | 2.4 m/s | 1.4 |
| 2008 | 11.6°C | 7.1°C | 2.6°C | 19.2°C | -1.3°C | 87 mm | 86% | 2.8 m/s | 1.4 |
| 2007 | 10.3°C | 6.5°C | 2.8°C | 16.2°C | -0.4°C | 71 mm | 82% | 2.6 m/s | 1.5 |
| 2006 | 9.0°C | 5.4°C | 1.7°C | 14.6°C | -2.3°C | 119 mm | 89% | 2.3 m/s | 1.5 |
| 2005 | 10.3°C | 6.7°C | 3.1°C | 16.2°C | -1.5°C | 31 mm | 86% | 2.5 m/s | 1.5 |
| 2004 | 12.6°C | 8.4°C | 4.2°C | 16.9°C | -0.9°C | 42 mm | 85% | 2.7 m/s | 1.4 |
| 2003 🔥 | 13.1°C | 8.6°C | 4.2°C | 16.9°C | -1.9°C | 53 mm | 85% | 2.5 m/s | 1.5 |
| 2002 | 11.3°C | 7.4°C | 3.5°C | 16.2°C | -2.1°C | 86 mm | 85% | 2.6 m/s | 1.4 |
| 2001 | 12.1°C | 7.4°C | 2.6°C | 17.6°C | -1.3°C | 45 mm | 83% | 2.4 m/s | 1.2 |
| 2000 | 11.6°C | 7.7°C | 3.8°C | 16.0°C | -0.3°C | 38 mm | 87% | 2.8 m/s | 1.3 |
| 1999 | 11.9°C | 7.4°C | 2.9°C | 17.4°C | -0.6°C | 55 mm | 86% | 2 m/s | 1.5 |
| 1998 | 11.5°C | 7.1°C | 2.7°C | 18.1°C | 0.0°C | 39 mm | 85% | 2.3 m/s | 1.3 |
| 1997 | 10.6°C | 6.6°C | 2.7°C | 15.1°C | -0.4°C | 44 mm | 89% | 2.1 m/s | 1.3 |
| 1996 | 10.0°C | 6.2°C | 2.4°C | 14.6°C | -1.7°C | 90 mm | 88% | 2.7 m/s | 1.4 |
| 1995 🌧️ | 8.8°C | 5.9°C | 2.9°C | 15.5°C | -0.2°C | 229 mm | 90% | 2.4 m/s | 1.3 |
| 1994 | 9.4°C | 5.9°C | 2.3°C | 13.1°C | -2.3°C | 86 mm | 89% | 2.4 m/s | 1.4 |
| 1993 | 11.4°C | 7.8°C | 4.2°C | 15.0°C | 0.8°C | 86 mm | 87% | 2.7 m/s | 1.4 |
| 1992 ❄️ | 9.3°C | 5.2°C | 1.2°C | 13.7°C | -2.1°C | 74 mm | 89% | 1.9 m/s | 1.4 |
| 1991 | 9.3°C | 5.7°C | 2.1°C | 15.6°C | -2.0°C | 108 mm | 87% | 2.7 m/s | 1.4 |
| 1990 | 10.4°C | 6.8°C | 3.1°C | 15.0°C | -1.8°C | 68 mm | 89% | 2.6 m/s | 1.5 |
| 1989 | 10.2°C | 6.5°C | 2.8°C | 16.1°C | -1.7°C | 102 mm | 89% | 2.7 m/s | 1.4 |
| 1988 | 11.2°C | 7.0°C | 2.9°C | 16.3°C | -1.8°C | 71 mm | 86% | 2.3 m/s | 1.5 |
| 1987 | 10.6°C | 6.7°C | 2.9°C | 14.7°C | -0.6°C | 128 mm | 88% | 2.4 m/s | 1.3 |
| 1986 | 10.6°C | 6.8°C | 2.9°C | 15.8°C | -1.2°C | 85 mm | 86% | 2.9 m/s | 1.5 |
| 1985 | 12.2°C | 8.2°C | 4.3°C | 16.5°C | 0.2°C | 45 mm | 89% | 2.1 m/s | 1.5 |
| 1984 | 12.0°C | 7.6°C | 3.3°C | 16.5°C | -2.2°C | 38 mm | 88% | 2.1 m/s | 1.7 |
| 1983 | 10.3°C | 6.5°C | 2.7°C | 13.3°C | -0.2°C | 70 mm | 88% | 2.6 m/s | — |
| 1982 | 9.7°C | 6.4°C | 3.0°C | 16.2°C | -0.3°C | 41 mm | 88% | 2.1 m/s | — |
| 1981 | 10.7°C | 7.5°C | 4.3°C | 17.4°C | -0.7°C | 151 mm | 89% | 2.2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 10.8°C with lows near 3.2°C (mean 7°C), based on 45 years of NASA POWER data.
June averages 82 mm of rainfall in Rolleston, about average for rainfall. The wettest on record was 229 mm in 1995.
The hottest June reached 19.2°C in 2008. The coldest dipped to -5.4°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.6°C. Daytime highs moved from 11°C to 11.3°C and overnight lows from 3.5°C to 4.4°C over the same span.
June is one of the cooler months of the year in Rolleston and about average for rainfall, so plan for around 10.8°C daytime highs and 3.2°C at night.
Not quite — June is the 2nd coolest month in Rolleston, averaging 7°C.
For June in Rolleston, pack warm layers and a jacket for chilly mornings, with typical highs of 10.8°C and lows of 3.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 88% — quite humid.
Average wind speed in June is 2.4 m/s. The windiest June on record averaged 2.9 m/s (1986).
The wettest June on record was 1995 with 229 mm. On average, June sees 82 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 Rolleston 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.
