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Hervey Bay weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Hervey Bay?
For a warm holiday, the best week has been 12–18 April (Weather Index 98). Favourable start dates for a 7-day trip run from 8 April to 21 April. January and February are warmest (30°C), August is driest and January, November and December have the most sun.
- Warmest
- January and February 30°C
- Coolest
- June and July 22°C
- Driest
- August 11% rain-day chance
- Wettest
- March 50% rain-day chance
- Sunniest
- January, November and December 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Hervey Bay
Hervey Bay historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 30.3 | 22.3 | 38.4 | 11.9 | 91.8 | 11.8 |
| February | 30.1 | 22.2 | 37.5 | 10.5 | 124.7 | 10.8 |
| March | 29.1 | 21.6 | 49.7 | 15.4 | 115.9 | 10.3 |
| April | 26.9 | 18.3 | 24.3 | 7.3 | 61.4 | 10.3 |
| May | 24.4 | 15.1 | 25.5 | 7.9 | 59.9 | 9.5 |
| June | 22.1 | 11.9 | 15.7 | 4.7 | 48.3 | 9.1 |
| July | 21.9 | 11.2 | 16.1 | 5.0 | 41.2 | 8.9 |
| August | 23.1 | 11.7 | 11.0 | 3.4 | 26.9 | 10.0 |
| September | 25.1 | 14.6 | 15.3 | 4.6 | 19.5 | 10.9 |
| October | 26.7 | 17.6 | 28.4 | 8.8 | 98.0 | 11.1 |
| November | 28.2 | 19.5 | 28.7 | 8.6 | 76.4 | 11.7 |
| December | 29.4 | 21.4 | 33.5 | 10.4 | 104.4 | 11.6 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.