June is one of the cooler months of the year in Streaky Bay, with average highs near 16.8°C and lows around 10.7°C (mean 13.8°C). It is a relatively wet time of year, averaging 44 mm of rainfall and 72% relative humidity across the period.
June is one of the cooler months of the year in Streaky Bay. Across 45 years of records, the warmest June in Streaky Bay was 2023 — when the month averaged 15°C — while the coldest was 2006 at 11.9°C. Typical June days reach 16.8°C with nights near 10.7°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Streaky Bay, averaging 44 mm of rainfall. The wettest June on record was 1981 with 133 mm, while the driest was 2017 at 3 mm.
Relative humidity in Streaky Bay during June averages 72%. The most humid June was 1991 at 80%, and the least humid was 2019 at 66%.
June receives about 2.7 kWh/m²/day of solar energy in Streaky Bay. The sunniest Junes were 2006, 2017 and 2020 at 3 kWh/m²/day, and the cloudiest was 2024 at 2.4.
Average wind speed in Streaky Bay during June is 4.1 m/s. The windiest June was 1981 at 5.7 m/s, while the calmest was 2017 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.4°C | 13.8°C | 13.8°C | 13.8°C | 14.2°C | +0.8°C |
| Avg High | 16.7°C | 16.8°C | 16.8°C | 16.9°C | 17.2°C | +0.5°C |
| Avg Low | 10.2°C | 10.9°C | 10.7°C | 10.8°C | 11.2°C | +1°C |
| Avg Rain | 52 mm | 55 mm | 50 mm | 34 mm | 20 mm | -32 mm |
June temperatures in Streaky Bay have risen by about 0.8°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 4.5°C (2002) to a record high of 25.1°C (2005).
Rainfall in June is a relatively wet time of year, averaging 44 mm, with a wettest year of 133 mm.
A quieter season to visit Streaky Bay
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Streaky Bay. That said, June — with days averaging 16.8°C and nights around 10.7°C (mean 13.8°C) and moderate rainfall (44 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 | 17.4°C | 14.6°C | 11.8°C | 21.4°C | 9.1°C | 22 mm | 69% | 4.7 m/s | 2.7 |
| 2024 | 17.2°C | 14.0°C | 10.9°C | 22.6°C | 7.0°C | 21 mm | 75% | 3.7 m/s | 2.4 |
| 2023 🔥 | 17.6°C | 15.0°C | 12.3°C | 24.2°C | 9.0°C | 22 mm | 70% | 4.7 m/s | 2.6 |
| 2022 | 16.9°C | 14.1°C | 11.4°C | 20.8°C | 7.4°C | 11 mm | 73% | 3.9 m/s | 2.8 |
| 2021 | 16.6°C | 13.7°C | 10.8°C | 22.2°C | 6.6°C | 35 mm | 71% | 4.5 m/s | 2.6 |
| 2020 | 17.2°C | 13.7°C | 10.2°C | 21.9°C | 6.1°C | 11 mm | 70% | 4 m/s | 3 |
| 2019 | 16.9°C | 13.6°C | 10.3°C | 21.9°C | 5.7°C | 11 mm | 66% | 4.4 m/s | 2.8 |
| 2018 | 17.2°C | 14.1°C | 11.0°C | 21.0°C | 7.2°C | 6 mm | 68% | 3.8 m/s | 2.7 |
| 2017 | 17.7°C | 13.9°C | 10.0°C | 19.9°C | 6.4°C | 3 mm | 67% | 2.5 m/s | 3 |
| 2016 | 16.6°C | 14.0°C | 11.4°C | 21.4°C | 7.7°C | 16 mm | 72% | 4.3 m/s | 2.6 |
| 2015 | 16.9°C | 13.5°C | 10.0°C | 20.2°C | 5.8°C | 24 mm | 75% | 3.3 m/s | 2.7 |
| 2014 | 16.8°C | 14.3°C | 11.7°C | 19.9°C | 8.9°C | 67 mm | 77% | 4.4 m/s | 2.6 |
| 2013 | 16.8°C | 14.3°C | 11.8°C | 20.8°C | 7.7°C | 56 mm | 76% | 3.7 m/s | 2.6 |
| 2012 | 16.5°C | 13.4°C | 10.4°C | 20.4°C | 5.2°C | 71 mm | 73% | 4.4 m/s | 2.7 |
| 2011 | 17.0°C | 13.7°C | 10.5°C | 20.7°C | 6.1°C | 37 mm | 76% | 4.1 m/s | 2.8 |
| 2010 | 16.3°C | 13.5°C | 10.7°C | 20.2°C | 6.1°C | 48 mm | 74% | 3.2 m/s | 2.6 |
| 2009 | 16.7°C | 14.3°C | 11.9°C | 19.1°C | 8.0°C | 104 mm | 74% | 4.9 m/s | 2.7 |
| 2008 | 17.8°C | 14.4°C | 10.9°C | 21.0°C | 7.4°C | 17 mm | 70% | 4.2 m/s | 2.7 |
| 2007 | 15.5°C | 12.7°C | 9.8°C | 17.5°C | 5.0°C | 17 mm | 76% | 3.4 m/s | 2.8 |
| 2006 ❄️ | 15.8°C | 11.9°C | 8.1°C | 17.6°C | 4.7°C | 24 mm | 72% | 3.4 m/s | 3 |
| 2005 | 17.5°C | 14.3°C | 11.2°C | 25.1°C | 5.5°C | 88 mm | 69% | 4.9 m/s | 2.7 |
| 2004 | 17.4°C | 14.6°C | 11.9°C | 23.2°C | 8.7°C | 45 mm | 74% | 4.7 m/s | 2.6 |
| 2003 | 16.3°C | 13.7°C | 11.2°C | 20.4°C | 7.6°C | 56 mm | 75% | 4.4 m/s | 2.6 |
| 2002 | 17.2°C | 14.1°C | 11.1°C | 21.0°C | 4.5°C | 59 mm | 71% | 4.8 m/s | 2.7 |
| 2001 | 17.5°C | 14.0°C | 10.4°C | 22.2°C | 5.7°C | 46 mm | 75% | 3.6 m/s | 2.6 |
| 2000 | 16.7°C | 13.6°C | 10.6°C | 20.3°C | 6.1°C | 45 mm | 72% | 3.9 m/s | 2.7 |
| 1999 | 17.2°C | 13.7°C | 10.1°C | 20.7°C | 6.2°C | 37 mm | 73% | 4.1 m/s | 2.9 |
| 1998 | 16.6°C | 13.5°C | 10.5°C | 22.6°C | 5.1°C | 61 mm | 71% | 4.5 m/s | 2.5 |
| 1997 | 16.5°C | 13.6°C | 10.7°C | 20.4°C | 6.7°C | 27 mm | 73% | 4.2 m/s | 2.5 |
| 1996 | 17.3°C | 14.1°C | 10.9°C | 21.9°C | 6.1°C | 70 mm | 72% | 4.3 m/s | 2.5 |
| 1995 | 16.5°C | 13.9°C | 11.3°C | 21.7°C | 6.2°C | 83 mm | 74% | 4.8 m/s | 2.5 |
| 1994 | 17.0°C | 14.4°C | 11.7°C | 22.3°C | 7.7°C | 68 mm | 72% | 4 m/s | 2.6 |
| 1993 | 16.0°C | 13.0°C | 10.0°C | 18.9°C | 6.4°C | 24 mm | 74% | 3.7 m/s | 2.7 |
| 1992 | 16.8°C | 13.7°C | 10.7°C | 20.4°C | 7.0°C | 42 mm | 71% | 3.9 m/s | 2.7 |
| 1991 | 17.5°C | 14.8°C | 12.1°C | 22.5°C | 8.6°C | 69 mm | 80% | 4.2 m/s | 2.5 |
| 1990 | 16.8°C | 13.6°C | 10.5°C | 22.4°C | 6.7°C | 73 mm | 72% | 4.5 m/s | 2.8 |
| 1989 | 14.9°C | 12.2°C | 9.4°C | 18.1°C | 5.0°C | 70 mm | 73% | 4.6 m/s | 2.6 |
| 1988 | 17.5°C | 14.1°C | 10.8°C | 22.3°C | 6.0°C | 41 mm | 69% | 4.4 m/s | 2.7 |
| 1987 | 17.0°C | 13.5°C | 10.0°C | 20.8°C | 5.9°C | 48 mm | 74% | 3.9 m/s | 2.8 |
| 1986 | 16.7°C | 13.5°C | 10.3°C | 21.3°C | 7.3°C | 45 mm | 73% | 3.1 m/s | 2.7 |
| 1985 | 17.4°C | 14.1°C | 10.9°C | 20.7°C | 7.0°C | 32 mm | 69% | 4.1 m/s | 2.9 |
| 1984 | 17.1°C | 13.3°C | 9.4°C | 21.4°C | 4.9°C | 21 mm | 68% | 3.6 m/s | 2.9 |
| 1983 | 17.3°C | 13.7°C | 10.2°C | 20.0°C | 6.4°C | 17 mm | 74% | 3.9 m/s | — |
| 1982 | 16.2°C | 12.8°C | 9.4°C | 19.4°C | 5.9°C | 60 mm | 69% | 4 m/s | — |
| 1981 🌧️ | 15.9°C | 13.6°C | 11.4°C | 17.9°C | 7.6°C | 133 mm | 76% | 5.7 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 16.8°C with lows near 10.7°C (mean 13.8°C), based on 45 years of NASA POWER data.
June averages 44 mm of rainfall in Streaky Bay, a relatively wet time of year. The wettest on record was 133 mm in 1981.
The hottest June reached 25.1°C in 2005. The coldest dipped to 4.5°C in 2002.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.8°C. Daytime highs moved from 16.8°C to 17.1°C and overnight lows from 10.3°C to 11.4°C over the same span.
June is one of the cooler months of the year in Streaky Bay and a relatively wet time of year, so plan for around 16.8°C daytime highs and 10.7°C at night.
Not quite — June is the 3rd coolest month in Streaky Bay, averaging 13.8°C.
For June in Streaky Bay, pack light layers you can adjust through the day, with typical highs of 16.8°C and lows of 10.7°C.
Relative humidity in June averages 72% — moderately humid.
Average wind speed in June is 4.1 m/s. The windiest June on record averaged 5.7 m/s (1981).
The wettest June on record was 1981 with 133 mm. On average, June sees 44 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 Streaky Bay 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.
