When to go · Australia
When to go to Whyalla
When to go
What the averages say
On these averages, Whyalla has a mean high between 18°C and 32°C and under 150 mm of rain in September to May.
- The warmest month is January (31°C) and the coolest July (16°C). The wettest is June (32 mm) and the driest January (16 mm); about 264 mm of rain falls in a year.
How these sentences are worded
Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.
The year at a glance
- Mild to warm and dry
- Mild to warm, humid or showery
- Hot
- Cool
- Wet
- Cold
- JanMild–warm, dry
- FebMild–warm, dry
- MarMild–warm, dry
- AprMild–warm, dry
- MayMild–warm, dry
- JunCool
- JulCool
- AugCool
- SeptMild–warm, dry
- OctMild–warm, dry
- NovMild–warm, dry
- DecMild–warm, dry
Month by month
Every month in Whyalla
| Month | High | Low | Rain | Humidity | Cloud | Sunlight (kWh/m²/day) | High in Dubai | What it is like |
|---|---|---|---|---|---|---|---|---|
| January | 31°C | 20°C | 16 mm | 49% | 36% | 7.9 | 23°C | Mild to warm and dry |
| February | 30°C | 19°C | 17 mm | 51% | 36% | 7.1 | 24°C | Mild to warm and dry |
| March | 28°C | 18°C | 16 mm | 54% | 38% | 5.8 | 27°C | Mild to warm and dry |
| April | 24°C | 15°C | 22 mm | 58% | 45% | 4.3 | 31°C | Mild to warm and dry |
| May | 20°C | 11°C | 27 mm | 67% | 47% | 3.1 | 35°C | Mild to warm and dry |
| June | 16°C | 8°C | 32 mm | 73% | 48% | 2.6 | 37°C | Cool |
| July | 16°C | 7°C | 26 mm | 73% | 44% | 2.8 | 39°C | Cool |
| August | 17°C | 8°C | 25 mm | 68% | 41% | 3.8 | 39°C | Cool |
| September | 21°C | 10°C | 29 mm | 61% | 37% | 5.1 | 37°C | Mild to warm and dry |
| October | 24°C | 13°C | 16 mm | 55% | 40% | 6.4 | 34°C | Mild to warm and dry |
| November | 27°C | 16°C | 18 mm | 52% | 41% | 7.4 | 29°C | Mild to warm and dry |
| December | 29°C | 18°C | 20 mm | 50% | 40% | 7.9 | 25°C | Mild to warm and dry |
The Dubai column is Dubai's mean daily high, for comparison.
Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.
When to go nearby
When to go nearby
From the journal
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