June is one of the cooler months of the year in Tumby Bay, with average highs near 15.5°C and lows around 12.6°C (mean 14.1°C). It is a relatively wet time of year, averaging 57 mm of rainfall and 75% relative humidity across the period.
June is one of the cooler months of the year in Tumby Bay. Across 45 years of records, the warmest June in Tumby Bay was 1991 — when the month averaged 15.2°C — while the coldest were 1982 and 2006 at 13°C. Typical June days reach 15.5°C with nights near 12.6°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Tumby Bay, averaging 57 mm of rainfall. The wettest June on record was 1981 with 124 mm, while the driest was 2017 at 12 mm.
Relative humidity in Tumby Bay during June averages 75%. The most humid June was 1991 at 81%, and the least humid was 2017 at 70%.
June receives about 2.3 kWh/m²/day of solar energy in Tumby Bay. The sunniest Junes were 2006, 2017 and 2020, among others at 2.5 kWh/m²/day, and the cloudiest was 1998 at 2.
Average wind speed in Tumby Bay during June is 5.5 m/s. The windiest June was 1981 at 7.5 m/s, while the calmest was 2017 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.7°C | 14.1°C | 14.2°C | 14.2°C | 14.3°C | +0.6°C |
| Avg High | 15.3°C | 15.5°C | 15.6°C | 15.6°C | 15.8°C | +0.5°C |
| Avg Low | 12.1°C | 12.7°C | 12.7°C | 12.9°C | 12.8°C | +0.7°C |
| Avg Rain | 58 mm | 73 mm | 64 mm | 48 mm | 33 mm | -24 mm |
June temperatures in Tumby Bay have risen by about 0.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 7.9°C (1984) to a record high of 22.2°C (1998).
Rainfall in June is a relatively wet time of year, averaging 57 mm, with a wettest year of 124 mm.
A quieter season to visit Tumby Bay
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Tumby Bay. That said, June — with days averaging 15.5°C and nights around 12.6°C (mean 14.1°C) and moderate rainfall (57 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 | 15.9°C | 14.4°C | 12.9°C | 18.6°C | 11.5°C | 29 mm | 72% | 5.9 m/s | 2.4 |
| 2024 | 15.5°C | 14.2°C | 12.8°C | 19.8°C | 11.2°C | 37 mm | 75% | 4.7 m/s | 2.1 |
| 2023 | 16.5°C | 14.9°C | 13.3°C | 21.2°C | 11.5°C | 43 mm | 75% | 6.2 m/s | 2.2 |
| 2022 | 15.7°C | 14.3°C | 12.9°C | 19.2°C | 10.5°C | 20 mm | 75% | 5.5 m/s | 2.3 |
| 2021 | 15.8°C | 14.2°C | 12.6°C | 19.1°C | 10.1°C | 53 mm | 75% | 5.7 m/s | 2.3 |
| 2020 | 15.4°C | 13.8°C | 12.2°C | 18.3°C | 10.2°C | 19 mm | 73% | 5.2 m/s | 2.5 |
| 2019 | 15.6°C | 13.9°C | 12.3°C | 19.8°C | 10.0°C | 16 mm | 71% | 5.5 m/s | 2.4 |
| 2018 | 15.4°C | 14.1°C | 12.9°C | 18.5°C | 10.1°C | 15 mm | 72% | 5.1 m/s | 2.3 |
| 2017 | 16.2°C | 14.6°C | 12.9°C | 18.3°C | 11.2°C | 12 mm | 70% | 3.1 m/s | 2.5 |
| 2016 | 15.5°C | 14.3°C | 13.1°C | 17.5°C | 10.5°C | 50 mm | 74% | 5.7 m/s | 2.3 |
| 2015 | 15.2°C | 13.9°C | 12.5°C | 18.5°C | 10.4°C | 23 mm | 75% | 4.4 m/s | 2.3 |
| 2014 | 16.0°C | 14.8°C | 13.6°C | 18.5°C | 11.6°C | 86 mm | 77% | 6 m/s | 2.3 |
| 2013 | 15.9°C | 14.7°C | 13.5°C | 18.9°C | 11.8°C | 81 mm | 76% | 5.1 m/s | 2.3 |
| 2012 | 15.2°C | 13.9°C | 12.6°C | 18.7°C | 10.3°C | 92 mm | 76% | 6.1 m/s | 2.3 |
| 2011 | 15.6°C | 14.1°C | 12.5°C | 17.4°C | 10.7°C | 42 mm | 76% | 5.6 m/s | 2.4 |
| 2010 | 15.2°C | 14.0°C | 12.8°C | 17.7°C | 10.0°C | 62 mm | 75% | 4.6 m/s | 2.4 |
| 2009 | 15.9°C | 14.4°C | 13.0°C | 18.2°C | 10.8°C | 106 mm | 77% | 6 m/s | 2.2 |
| 2008 | 16.3°C | 14.7°C | 13.2°C | 18.9°C | 10.3°C | 27 mm | 75% | 5.8 m/s | 2.2 |
| 2007 | 14.3°C | 13.4°C | 12.5°C | 16.1°C | 10.5°C | 39 mm | 74% | 5.1 m/s | 2.3 |
| 2006 | 14.4°C | 13.0°C | 11.7°C | 16.4°C | 8.7°C | 41 mm | 73% | 4.3 m/s | 2.5 |
| 2005 | 16.3°C | 14.8°C | 13.3°C | 21.4°C | 12.1°C | 112 mm | 73% | 6.1 m/s | 2.3 |
| 2004 | 16.1°C | 14.5°C | 12.9°C | 20.3°C | 10.1°C | 67 mm | 76% | 6.6 m/s | 2.3 |
| 2003 | 15.3°C | 13.9°C | 12.5°C | 18.6°C | 9.7°C | 79 mm | 78% | 5.8 m/s | 2.2 |
| 2002 | 16.0°C | 14.4°C | 12.8°C | 18.5°C | 9.0°C | 50 mm | 73% | 6.4 m/s | 2.4 |
| 2001 | 16.5°C | 14.8°C | 13.1°C | 19.6°C | 10.0°C | 55 mm | 77% | 4.8 m/s | 2.2 |
| 2000 | 15.3°C | 13.9°C | 12.4°C | 18.0°C | 10.7°C | 60 mm | 75% | 5.3 m/s | 2.3 |
| 1999 | 15.6°C | 14.0°C | 12.3°C | 17.9°C | 10.8°C | 52 mm | 76% | 5.5 m/s | 2.5 |
| 1998 | 15.6°C | 14.1°C | 12.6°C | 22.2°C | 10.2°C | 99 mm | 74% | 5.9 m/s | 2 |
| 1997 | 15.1°C | 13.9°C | 12.7°C | 18.1°C | 11.5°C | 49 mm | 75% | 5.5 m/s | 2.1 |
| 1996 | 15.7°C | 14.4°C | 13.1°C | 18.4°C | 11.9°C | 106 mm | 76% | 5.7 m/s | 2.3 |
| 1995 | 15.2°C | 13.9°C | 12.6°C | 18.9°C | 9.8°C | 74 mm | 77% | 6.2 m/s | 2.2 |
| 1994 | 15.6°C | 14.3°C | 13.0°C | 19.4°C | 10.1°C | 100 mm | 75% | 5.5 m/s | 2.3 |
| 1993 | 14.8°C | 13.6°C | 12.4°C | 17.7°C | 10.3°C | 33 mm | 75% | 5 m/s | 2.3 |
| 1992 | 15.0°C | 13.7°C | 12.3°C | 17.4°C | 10.4°C | 59 mm | 76% | 5.2 m/s | 2.4 |
| 1991 🔥 | 16.7°C | 15.2°C | 13.7°C | 20.7°C | 11.8°C | 70 mm | 81% | 5.7 m/s | 2.2 |
| 1990 | 15.4°C | 14.0°C | 12.6°C | 20.0°C | 9.8°C | 86 mm | 74% | 5.8 m/s | 2.5 |
| 1989 | 14.4°C | 13.1°C | 11.9°C | 18.0°C | 9.9°C | 74 mm | 74% | 6.3 m/s | 2.1 |
| 1988 | 16.3°C | 14.6°C | 12.9°C | 20.1°C | 10.6°C | 39 mm | 73% | 5.7 m/s | 2.3 |
| 1987 | 15.2°C | 13.8°C | 12.4°C | 19.1°C | 10.2°C | 56 mm | 77% | 4.9 m/s | 2.2 |
| 1986 | 15.4°C | 13.9°C | 12.3°C | 17.8°C | 9.0°C | 40 mm | 75% | 4.4 m/s | 2.4 |
| 1985 | 15.6°C | 13.9°C | 12.1°C | 18.4°C | 8.2°C | 54 mm | 74% | 5.7 m/s | 2.4 |
| 1984 | 15.4°C | 13.6°C | 11.9°C | 19.4°C | 7.9°C | 33 mm | 72% | 4.7 m/s | 2.5 |
| 1983 | 15.1°C | 13.5°C | 11.9°C | 17.7°C | 9.7°C | 34 mm | 76% | 4.9 m/s | — |
| 1982 ❄️ | 14.7°C | 13.0°C | 11.4°C | 16.8°C | 8.8°C | 63 mm | 72% | 5.2 m/s | — |
| 1981 🌧️ | 15.2°C | 13.6°C | 12.1°C | 17.3°C | 8.5°C | 124 mm | 77% | 7.5 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 15.5°C with lows near 12.6°C (mean 14.1°C), based on 45 years of NASA POWER data.
June averages 57 mm of rainfall in Tumby Bay, a relatively wet time of year. The wettest on record was 124 mm in 1981.
The hottest June reached 22.2°C in 1998. The coldest dipped to 7.9°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.9°C. Daytime highs moved from 15.2°C to 15.9°C and overnight lows from 11.9°C to 12.9°C over the same span.
June is one of the cooler months of the year in Tumby Bay and a relatively wet time of year, so plan for around 15.5°C daytime highs and 12.6°C at night.
Not quite — June is the 3rd coolest month in Tumby Bay, averaging 14.1°C.
For June in Tumby Bay, pack light layers you can adjust through the day, with typical highs of 15.5°C and lows of 12.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 75% — moderately humid.
Average wind speed in June is 5.5 m/s. The windiest June on record averaged 7.5 m/s (1981).
The wettest June on record was 1981 with 124 mm. On average, June sees 57 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 Tumby 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.
