Swansea in August
August in Swansea is peak winter, and the weather reflects it. You're looking at average daily highs of 15.1 degrees.
Expect the mercury to hit around 15.1 degrees during the day and settle at 7.6 degrees after dark. The temperature stays pretty consistent through the day. It's cool but manageable. A jumper handles most of it.
At 15.1 degrees, August sits 3.1 degrees below the annual average of 18.2 degrees.
The rain data says 64mm over 10 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Sunshine-wise, August delivers around 8.6 MJ/m2 of daily solar radiation. UV sits in the moderate category. Sunscreen is still wise, especially if you burn easily.
August scores 2.9/10 on our Comfort Score. It's the tough end of the year weather-wise.
Packing tip: bring a decent jumper or fleece, and a rain jacket or compact umbrella.
The full data breakdown is below. You can also see how other Australian cities compare in August.
August at a Glance
Temperature Range
Daily temperature range in August. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- A jumper or light cardigan for flexibility
- A warm jumper or fleece for cool mornings and evenings
- Proper rain gear for frequent showers
Coming From Overseas?
How August in Swansea stacks up against major cities around the world.
About 9 degrees cooler and considerably wetter.
About 15 degrees cooler and considerably drier.
About 16 degrees cooler and considerably drier.
How August Compares
Swansea's monthly climate at a glance. August is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 22.7 | 13.3 | 62mm | 9.5 |
| Feb | 24.6 | 13.0 | 22mm | 10.0 |
| Mar | 22.6 | 11.9 | 24mm | 9.4 |
| Apr | 18.2 | 8.8 | 67mm | 5.6 |
| May | 15.1 | 7.6 | 59mm | 2.7 |
| Jun | 12.3 | 6.5 | 40mm | 1.0 |
| Jul | 12.3 | 5.3 | 92mm | 1.0 |
| Aug | 15.1 | 7.6 | 64mm | 2.9 |
| Sep | 15.8 | 7.2 | 46mm | 4.1 |
| Oct | 17.9 | 8.0 | 54mm | 6.0 |
| Nov | 19.8 | 10.6 | 77mm | 7.3 |
| Dec | 21.9 | 12.5 | 95mm | 8.8 |