June is one of the cooler months of the year in Geraldton, with average highs near 20.6°C and lows around 17.7°C (mean 19.2°C). It is a relatively wet time of year, averaging 83 mm of rainfall and 67% relative humidity across the period.
June is one of the cooler months of the year in Geraldton. Across 45 years of records, the warmest Junes in Geraldton were 1983, 2020 and 2025 — when the month averaged 20.4°C — while the coldest was 1990 at 17.5°C. Typical June days reach 20.6°C with nights near 17.7°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Geraldton, averaging 83 mm of rainfall. The wettest June on record was 1998 with 181 mm, while the driest was 2006 at 8 mm.
Relative humidity in Geraldton during June averages 67%. The most humid June was 1986 at 72%, and the least humid was 2006 at 61%.
June receives about 3.2 kWh/m²/day of solar energy in Geraldton. The sunniest Junes were 2006 and 2017 at 3.6 kWh/m²/day, and the cloudiest was 2012 at 2.8.
Average wind speed in Geraldton during June is 5.6 m/s. The windiest June was 1992 at 6.7 m/s, while the calmest was 2001 at 4.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.1°C | 18.9°C | 19.1°C | 19.1°C | 19.6°C | +0.5°C |
| Avg High | 20.5°C | 20.2°C | 20.7°C | 20.6°C | 20.9°C | +0.4°C |
| Avg Low | 17.7°C | 17.6°C | 17.6°C | 17.5°C | 18.2°C | +0.5°C |
| Avg Rain | 100 mm | 102 mm | 73 mm | 70 mm | 67 mm | -33 mm |
June temperatures in Geraldton have risen by about 0.3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 12.8°C (1990) to a record high of 25.2°C (2017).
Rainfall in June is a relatively wet time of year, averaging 83 mm, with a wettest year of 181 mm.
A quieter season to visit Geraldton
If your dates are flexible, the more temperate months of December and April tend to be the most comfortable for visiting Geraldton. That said, June — with days averaging 20.6°C and nights around 17.7°C (mean 19.2°C) and higher rainfall (83 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 | 21.7°C | 20.4°C | 19.0°C | 23.7°C | 16.2°C | 84 mm | 65% | 5.4 m/s | 3.4 |
| 2024 | 21.2°C | 20.0°C | 18.9°C | 24.7°C | 16.3°C | 94 mm | 69% | 5.4 m/s | 3 |
| 2023 | 19.0°C | 18.1°C | 17.1°C | 21.1°C | 13.9°C | 52 mm | 67% | 5.5 m/s | 3.4 |
| 2022 | 21.3°C | 19.8°C | 18.3°C | 23.9°C | 15.0°C | 76 mm | 68% | 5.4 m/s | 3.3 |
| 2021 | 20.1°C | 18.7°C | 17.3°C | 23.2°C | 14.7°C | 59 mm | 67% | 5.7 m/s | 3.3 |
| 2020 | 22.0°C | 20.4°C | 18.7°C | 24.9°C | 15.9°C | 35 mm | 63% | 5.2 m/s | 3.4 |
| 2019 | 20.4°C | 18.8°C | 17.2°C | 24.3°C | 14.4°C | 143 mm | 64% | 5.8 m/s | 3.2 |
| 2018 | 20.7°C | 19.3°C | 17.9°C | 23.2°C | 16.0°C | 70 mm | 65% | 5 m/s | 3.2 |
| 2017 | 21.7°C | 19.9°C | 18.0°C | 25.2°C | 15.2°C | 23 mm | 64% | 5.6 m/s | 3.6 |
| 2016 | 19.4°C | 18.1°C | 16.8°C | 23.2°C | 14.8°C | 92 mm | 70% | 5.1 m/s | 3.2 |
| 2015 | 21.2°C | 19.5°C | 17.8°C | 24.4°C | 14.8°C | 74 mm | 70% | 5.3 m/s | 3.1 |
| 2014 | 20.4°C | 18.6°C | 16.8°C | 24.0°C | 13.5°C | 43 mm | 66% | 5.8 m/s | 3.3 |
| 2013 | 20.4°C | 18.9°C | 17.4°C | 22.3°C | 14.1°C | 15 mm | 67% | 4.8 m/s | 3.5 |
| 2012 | 20.9°C | 19.5°C | 18.1°C | 24.4°C | 14.6°C | 119 mm | 66% | 6.2 m/s | 2.8 |
| 2011 | 21.1°C | 19.7°C | 18.3°C | 23.3°C | 15.8°C | 90 mm | 67% | 5.9 m/s | 3.1 |
| 2010 | 20.0°C | 18.5°C | 17.0°C | 23.1°C | 13.8°C | 35 mm | 67% | 5.6 m/s | 3.1 |
| 2009 | 20.0°C | 18.9°C | 17.9°C | 22.4°C | 16.0°C | 123 mm | 68% | 6 m/s | 3.1 |
| 2008 | 21.3°C | 19.7°C | 18.1°C | 24.9°C | 15.5°C | 87 mm | 65% | 6 m/s | 3.2 |
| 2007 | 21.0°C | 19.1°C | 17.3°C | 24.0°C | 14.8°C | 46 mm | 65% | 6 m/s | 3.2 |
| 2006 | 21.0°C | 19.1°C | 17.2°C | 23.4°C | 15.3°C | 8 mm | 61% | 4.9 m/s | 3.6 |
| 2005 | 19.8°C | 18.6°C | 17.5°C | 23.7°C | 14.9°C | 145 mm | 70% | 6.1 m/s | 2.9 |
| 2004 | 20.8°C | 19.4°C | 18.1°C | 23.3°C | 14.1°C | 69 mm | 72% | 5.8 m/s | 3 |
| 2003 | 20.6°C | 18.9°C | 17.2°C | 22.2°C | 14.1°C | 78 mm | 67% | 6.5 m/s | 3.3 |
| 2002 | 20.9°C | 19.5°C | 18.1°C | 23.2°C | 16.3°C | 87 mm | 68% | 5.7 m/s | 3 |
| 2001 | 20.6°C | 19.0°C | 17.4°C | 23.3°C | 13.6°C | 25 mm | 65% | 4.6 m/s | 3.5 |
| 2000 | 20.8°C | 19.2°C | 17.6°C | 24.2°C | 15.4°C | 64 mm | 65% | 5.8 m/s | 3.1 |
| 1999 | 20.8°C | 19.5°C | 18.1°C | 23.3°C | 14.5°C | 99 mm | 67% | 5.3 m/s | 3.4 |
| 1998 🌧️ | 20.5°C | 19.3°C | 18.1°C | 24.9°C | 14.2°C | 181 mm | 67% | 6.1 m/s | 3.1 |
| 1997 | 21.0°C | 19.6°C | 18.2°C | 24.0°C | 16.0°C | 46 mm | 66% | 4.8 m/s | 3.1 |
| 1996 | 21.1°C | 20.0°C | 19.0°C | 23.0°C | 17.3°C | 142 mm | 67% | 5.4 m/s | 2.9 |
| 1995 | 19.3°C | 18.0°C | 16.7°C | 22.8°C | 14.0°C | 91 mm | 68% | 6.5 m/s | 3.2 |
| 1994 | 20.2°C | 18.9°C | 17.7°C | 23.0°C | 16.0°C | 114 mm | 66% | 5.1 m/s | 3.2 |
| 1993 | 19.3°C | 17.8°C | 16.2°C | 20.9°C | 14.3°C | 55 mm | 69% | 6.3 m/s | 3.2 |
| 1992 | 20.3°C | 19.1°C | 17.8°C | 22.4°C | 15.3°C | 90 mm | 70% | 6.7 m/s | 3.1 |
| 1991 | 20.5°C | 19.4°C | 18.3°C | 22.9°C | 16.9°C | 134 mm | 68% | 5.2 m/s | 2.9 |
| 1990 ❄️ | 19.1°C | 17.5°C | 15.9°C | 23.0°C | 12.8°C | 63 mm | 64% | 5.5 m/s | 3.4 |
| 1989 | 20.1°C | 18.6°C | 17.2°C | 23.3°C | 14.3°C | 87 mm | 67% | 5.5 m/s | 3.1 |
| 1988 | 21.1°C | 20.0°C | 18.8°C | 24.5°C | 15.1°C | 89 mm | 68% | 5.8 m/s | 3 |
| 1987 | 20.4°C | 19.2°C | 18.0°C | 22.8°C | 15.3°C | 100 mm | 68% | 4.8 m/s | 2.9 |
| 1986 | 20.2°C | 18.6°C | 17.1°C | 22.8°C | 14.6°C | 145 mm | 72% | 6 m/s | 3.2 |
| 1985 | 21.4°C | 19.9°C | 18.4°C | 23.7°C | 14.9°C | 29 mm | 66% | 4.8 m/s | 3.2 |
| 1984 | 21.1°C | 19.3°C | 17.6°C | 24.7°C | 14.4°C | 29 mm | 67% | 4.9 m/s | 3.1 |
| 1983 🔥 | 21.8°C | 20.4°C | 19.0°C | 24.2°C | 17.0°C | 130 mm | 66% | 5.5 m/s | — |
| 1982 | 19.8°C | 18.3°C | 16.8°C | 23.7°C | 13.1°C | 161 mm | 66% | 5.4 m/s | — |
| 1981 | 19.0°C | 17.8°C | 16.6°C | 22.8°C | 13.4°C | 131 mm | 68% | 5.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 20.6°C with lows near 17.7°C (mean 19.2°C), based on 45 years of NASA POWER data.
June averages 83 mm of rainfall in Geraldton, a relatively wet time of year. The wettest on record was 181 mm in 1998.
The hottest June reached 25.2°C in 2017. The coldest dipped to 12.8°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.3°C. Daytime highs moved from 20.6°C to 20.7°C and overnight lows from 17.7°C to 18.1°C over the same span.
June is one of the cooler months of the year in Geraldton and a relatively wet time of year, so plan for around 20.6°C daytime highs and 17.7°C at night.
Not quite — June is the 5th coolest month in Geraldton, averaging 19.2°C.
For June in Geraldton, pack light layers you can adjust through the day, with typical highs of 20.6°C and lows of 17.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 67% — moderately humid.
Average wind speed in June is 5.6 m/s. The windiest June on record averaged 6.7 m/s (1992).
The wettest June on record was 1998 with 181 mm. On average, June sees 83 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 Geraldton 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.
