Swansea in March
March in Swansea is peak autumn, and the weather reflects it. You're looking at average daily highs of 22.6 degrees.
The average daily maximum is 22.6 degrees with overnight lows of 11.9 degrees. Comfortable during the day, with evenings that invite a light layer.
At 22.6 degrees, March runs 4.4 degrees above Swansea's annual average of 18.2 degrees.
Rainfall in March averages 24mm over about 6 days. That means roughly a 20% chance of rain on any given day, decent odds for a dry day.
Sunshine-wise, March delivers around 16.8 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
March earns a 9.4/10 on our Comfort Score. This is prime time.
Packing tip: bring a mix of short and long sleeves, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare in March.
March at a Glance
Temperature Range
Daily temperature range in March. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Comfortable casual wear suitable for warm days
- A light rain jacket just in case
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How March in Swansea stacks up against major cities around the world.
About 11 degrees warmer and considerably drier.
About 13 degrees warmer and considerably drier.
About 9 degrees warmer and considerably drier.
How March Compares
Swansea's monthly climate at a glance. March 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 |