Hervey Bay in Summer
In summer (December, January and February), Hervey Bay sees average daytime highs around 27°C and overnight lows near 23°C, with 332 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 42% of the time across summer, and the air most often feels muggy.
Summer is Hervey Bay's weakest season of the year to visit on our travel score. For the whole year in context, see Hervey Bay's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 332 mm
- 32 wet days
- Avg wind
- 19 km/h
- Travel score
- 6.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Hervey Bay in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Hervey Bay reaches about 27°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
Hervey Bay weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 105 | 11.4 | 13.4 | 6.4 |
| Feb | 27° / 24° | 134 | 12 | 12.9 | 6.1 |
| Mar | 27° / 23° | 95 | 10.2 | 12.2 | 6.7 |
| Apr | 25° / 20° | 52 | 7.9 | 11.4 | 7.5 |
| May | 23° / 18° | 57 | 7.2 | 10.8 | 7.5 |
| Jun | 21° / 15° | 53 | 5.4 | 10.5 | 7.5 |
| Jul | 20° / 14° | 30 | 3.9 | 10.6 | 7.7 |
| Aug | 21° / 15° | 33 | 3.5 | 11.1 | 7.9 |
| Sep | 22° / 17° | 28 | 3.9 | 11.8 | 8.2 |
| Oct | 24° / 19° | 62 | 6.3 | 12.6 | 7.9 |
| Nov | 25° / 21° | 48 | 7.2 | 13.2 | 7.5 |
| Dec | 26° / 23° | 93 | 8.9 | 13.5 | 6.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 42% of the time across summer.
Chance of precipitation in Summer
Hervey Bay gets around 332 mm of rain over 32 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 19 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 30 min in early December to 12 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.3 kWh/m².
Hazard calendar for Hervey Bay
In summer, Hervey Bay overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Hervey Bay sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Hervey Bay's rainy season runs December–March, when most of the year's rain falls.
Is summer a good time to visit Hervey Bay?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Hervey Bay for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Hervey Bay in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Hervey Bay sees daytime highs around 27°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 32 days see rain.
Sea temperature near Hervey Bay in Summer
The nearest coast averages about 27°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in February at about 27°C and coldest in July near 20°C.
It's comfortable for a long swim from Aug 23 to Jul 6 — about 10.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 25 | 23 | 21 | 20 | 20 | 21 | 23 | 25 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Refreshing | Refreshing | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 25 | Warm |
| May | 23 | Refreshing |
| Jun | 21 | Refreshing |
| Jul | 20 | Cool |
| Aug | 20 | Cool |
| Sep | 21 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 25 | Warm |
| Dec | 26 | Warm |
UV index in Hervey Bay in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hervey Bay peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 11 | 9 | 6 | 5 | 5 | 7 | 8 | 11 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | High | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | High |
| Aug | 7 | High |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Where is Hervey Bay?
Hervey Bay sits at 25.3°S, 152.8°E, 9 m above sea level, in Australia. The nearest listed city is Maryborough, 29 km away.
Topography around Hervey Bay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hervey Bay.
Within 3 km, the terrain around Hervey Bay has only modest variations in elevation — a maximum elevation change of 69 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 92 m; within 80 km, large variations in elevation — a maximum elevation change of 665 m.
The land around Hervey Bay is covered by grassland (43%) and trees (34%) within 3 km, water (41%) and trees (36%) within 16 km, and water (44%) and trees (39%) within 80 km.
Australia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 90% of US
- price level, 2025
- GDP per capita
- $65,130
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2023
- Road deaths
- 4.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hervey Bay (-25.2876°, 152.7694°, elevation 9 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.