Dianella in Winter
In winter (June, July and August), Dianella sees average daytime highs around 18°C and overnight lows near 12°C, with 289 mm of rain over about 34 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 18°C. The sky is clear or mostly clear about 35% of the time across winter, and the air most often feels dry.
Winter is Dianella's weakest season of the year to visit on our travel score. For the whole year in context, see Dianella's year-round climate.
- Avg daytime high
- 18°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 289 mm
- 34 wet days
- Avg wind
- 17 km/h
- Travel score
- 5.8
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Dianella in Winter
Across winter, daytime highs hold fairly steady around 18°C.
A typical winter day in Dianella reaches about 18°C and drops to 12°C overnight. The warmest of the three months is June, the coolest July.
Dianella weather by month
How the three winter months (June, July and August) 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 | 29° / 19° | 17 | 1.8 | 13.8 | 7.4 |
| Feb | 29° / 20° | 17 | 1.5 | 13.2 | 7.2 |
| Mar | 27° / 19° | 18 | 2.3 | 12.2 | 7.8 |
| Apr | 24° / 16° | 24 | 4.1 | 11.2 | 8.1 |
| May | 21° / 14° | 67 | 7.8 | 10.4 | 7.1 |
| Jun | 18° / 12° | 98 | 10.7 | 10 | 6.1 |
| Jul | 17° / 11° | 102 | 12.5 | 10.1 | 5.5 |
| Aug | 18° / 11° | 89 | 11.1 | 10.8 | 5.8 |
| Sep | 19° / 12° | 55 | 8.5 | 11.8 | 6.5 |
| Oct | 21° / 13° | 27 | 4.7 | 12.8 | 7.6 |
| Nov | 24° / 16° | 19 | 3.7 | 13.6 | 8.4 |
| Dec | 27° / 18° | 9 | 1.6 | 14 | 8.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 35% of the time across winter.
Chance of precipitation in Winter
Dianella gets around 289 mm of rain over 34 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 17 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 06 min in early June to 11 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.9 kWh/m².
Hazard calendar for Dianella
In winter, Dianella overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Dianella sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Dianella's rainy season runs May–September, when most of the year's rain falls.
Is winter a good time to visit Dianella?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Dianella for sightseeing.
What to pack for Dianella in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Dianella sees daytime highs around 18°C and nights near 12°C. Worth packing: rain gear. About 34 days see rain.
Sea temperature near Dianella in Winter
The nearest coast averages about 20°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) is warmest in February at about 22°C and coldest in September near 19°C.
It's comfortable for a long swim from Nov 22 to Jul 12 — about 7.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 22 | Refreshing |
| May | 22 | Refreshing |
| Jun | 21 | Refreshing |
| Jul | 20 | Cool |
| Aug | 19 | Cool |
| Sep | 19 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Cool |
| Dec | 21 | Refreshing |
UV index in Dianella in Winter
Clear-sky midday UV across winter averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Dianella peaks around December 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (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 | 12 | 11 | 6 | 4 | 3 | 3 | 5 | 8 | 9 | 10 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 11 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 10 | Extreme |
| Dec | 13 | Extreme |
Where is Dianella?
Dianella sits at 31.9°S, 115.9°E, 30 m above sea level, in Australia. The nearest listed city is Morley, 4.0 km away.
Topography around Dianella
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dianella.
Within 3 km, the terrain around Dianella has only modest variations in elevation — a maximum elevation change of 64 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, significant variations in elevation — a maximum elevation change of 567 m.
The land around Dianella is covered by artificial surfaces (77%) within 3 km, artificial surfaces (49%) within 16 km, and trees (40%) and water (31%) 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 Dianella (-31.8882°, 115.8719°, elevation 30 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.