Swansea in May
6.1out of 10
Possible, with caveats
Cool: highs only around 13°C. Frequent rain: about 12 rainy days.
13°CAvg high
10°CAvg low
12Rainy days (72 mm)
15:23 hDaylight
05:30Sunrise · 20:54 Sunset
Why this score
- Cool: highs only around 13°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±4.4 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 8°C | 5°C | 128 mm | 17 | – | – | 4.4 |
| February | 8°C | 5°C | 92 mm | 13 | – | – | 5.0 |
| March | 9°C | 6°C | 83 mm | 14 | – | – | 5.1 |
| April | 11°C | 7°C | 70 mm | 12 | – | – | 5.7 |
| May | 13°C | 10°C | 72 mm | 12 | – | – | 6.1 |
| June | 16°C | 12°C | 79 mm | 12 | – | – | 6.5 |
| July | 18°C | 14°C | 86 mm | 14 | – | – | 6.5 |
| August | 18°C | 15°C | 101 mm | 14 | – | – | 6.4 |
| September | 17°C | 13°C | 96 mm | 13 | – | – | 6.4 |
| October | 14°C | 11°C | 143 mm | 17 | – | – | 5.3 |
| November | 11°C | 8°C | 143 mm | 17 | – | – | 4.7 |
| December | 9°C | 6°C | 145 mm | 17 | – | – | 4.5 |
Frequently asked questions
How hot is Swansea in May?
Daytime highs average 13°C and nights about 10°C.
When is the best time to visit Swansea?
The best months are June, July, August, September.