Caloundra in Summer
In summer (December, January and February), Caloundra sees average daytime highs around 28°C and overnight lows near 21°C, with 392 mm of rain over about 42 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 28°C. The sky is clear or mostly clear about 31% of the time across summer, and the air most often feels muggy.
Summer is Caloundra's weakest season of the year to visit on our travel score. For the whole year in context, see Caloundra's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 392 mm
- 42 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Caloundra in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Caloundra reaches about 28°C and drops to 21°C overnight. The warmest of the three months is January, the coolest December.
Caloundra 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 | 28° / 21° | 125 | 14.8 | 13.5 | 5.2 |
| Feb | 28° / 21° | 150 | 15.2 | 12.9 | 5.2 |
| Mar | 27° / 20° | 122 | 16.1 | 12.2 | 5.8 |
| Apr | 25° / 17° | 69 | 12.7 | 11.4 | 6.6 |
| May | 23° / 14° | 77 | 10.2 | 10.7 | 7.0 |
| Jun | 21° / 11° | 62 | 8.3 | 10.3 | 7.0 |
| Jul | 20° / 10° | 34 | 5.8 | 10.5 | 7.5 |
| Aug | 22° / 10° | 43 | 5.1 | 11.1 | 7.9 |
| Sep | 24° / 13° | 39 | 6.7 | 11.8 | 7.9 |
| Oct | 25° / 16° | 80 | 8.8 | 12.6 | 7.3 |
| Nov | 27° / 18° | 82 | 10.2 | 13.3 | 6.6 |
| Dec | 28° / 20° | 117 | 12 | 13.7 | 6.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 31% of the time across summer.
Chance of precipitation in Summer
Caloundra gets around 392 mm of rain over 42 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 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 36 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 6.0 kWh/m².
Hazard calendar for Caloundra
In summer, Caloundra overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Caloundra sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Caloundra's rainy season runs October–May, when most of the year's rain falls.
Is summer a good time to visit Caloundra?
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 Caloundra for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Caloundra in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Caloundra sees daytime highs around 28°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 42 days see rain.
Sea temperature near Caloundra in Summer
The nearest coast averages about 26°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 20 km away) is warmest in February at about 27°C and coldest in August near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 27 | 26 | 25 | 24 | 22 | 21 | 21 | 21 | 22 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 27 | Warm |
| Mar | 26 | Warm |
| Apr | 25 | Warm |
| May | 24 | Refreshing |
| Jun | 22 | Refreshing |
| Jul | 21 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 25 | Warm |
UV index in Caloundra in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Caloundra peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 4 (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) | 13 | 14 | 11 | 8 | 5 | 4 | 5 | 6 | 8 | 10 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is Caloundra?
Caloundra sits at 26.8°S, 153.1°E, 8 m above sea level, in Australia. The nearest listed city is Buderim, 15 km away.
Topography around Caloundra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Caloundra.
Within 3 km, the terrain around Caloundra has only modest variations in elevation — a maximum elevation change of 72 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, large variations in elevation — a maximum elevation change of 873 m.
The land around Caloundra is covered by artificial surfaces (36%), water (27%) and trees (26%) within 3 km, water (48%) and trees (31%) within 16 km, and water (41%) 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 Caloundra (-26.8035°, 153.1219°, elevation 8 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.