Swansea in March
So, what's Swansea actually like in March? In a word: comfortable. It's autumn, and the days are averaging 22.6 degrees.
Daytime highs average 22.6 degrees, dropping to 11.9 degrees overnight. That's a 11-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
March is 4.4 degrees warmer than the yearly average here.
The rain data says 24mm over 6 days. Light enough that it won't ruin your plans.
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 serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- T-shirts and shorts for daytime
- 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 |