Dianella in Fall
In fall (March, April and May), Dianella sees average daytime highs around 24°C and overnight lows near 16°C, with 109 mm of rain over about 14 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 29°C in early March to 20°C by late May. The sky is clear or mostly clear about 53% of the time across fall, and the air most often feels dry.
Fall is Dianella's best 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
- 24°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 109 mm
- 14 wet days
- Avg wind
- 17 km/h
- Travel score
- 7.7
- best season of the year
- Months
- Mar · Apr · May
Temperature in Dianella in Fall
Over the season highs ease from about 29°C in early March to 20°C by late May.
A typical fall day in Dianella reaches about 24°C and drops to 16°C overnight. The warmest of the three months is March, the coolest May.
Dianella weather by month
How the three fall months (March, April and May) 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 Fall
The sky is clear or mostly clear about 53% of the time across fall.
Chance of precipitation in Fall
Dianella gets around 109 mm of rain over 14 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 17 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early March to 10 h 06 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.6 kWh/m².
Hazard calendar for Dianella
In fall, Dianella overlaps its cyclone and 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 fall a good time to visit Dianella?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Dianella for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Dianella in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Dianella sees daytime highs around 24°C and nights near 16°C. Pack light clothes and sun protection. About 14 days see rain.
Sea temperature near Dianella in Fall
The nearest coast averages about 22°C across fall — 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 Fall
Clear-sky midday UV across fall averages around 7 — 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.