Weather in Swansea, United Kingdom
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | 3°C | 8°C | 124.6 mm | 71% | 46.8 km/h |
| February | 5°C | 9°C | 120.8 mm | 76% | 51.3 km/h |
| March | 5°C | 10°C | 103.5 mm | 67% | 45.7 km/h |
| April | 6°C | 12°C | 75.9 mm | 62% | 42.6 km/h |
| May | 9°C | 15°C | 96.0 mm | 65% | 39.4 km/h |
| June | 12°C | 18°C | 72.8 mm | 65% | 39.0 km/h |
| July | 14°C | 19°C | 97.6 mm | 66% | 39.8 km/h |
| August | 14°C | 19°C | 83.8 mm | 66% | 41.4 km/h |
| September | 12°C | 18°C | 152.5 mm | 70% | 42.4 km/h |
| October | 11°C | 15°C | 168.4 mm | 78% | 47.2 km/h |
| November | 7°C | 11°C | 157.6 mm | 75% | 48.9 km/h |
| December | 6°C | 9°C | 172.7 mm | 75% | 52.8 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.0% | |
| March | <0.1% | |
| April | 1.1% | |
| May | 7.1% | |
| June | 16.1% | |
| July | 21.6% | |
| August | 19.3% | |
| September | 10.5% | |
| October | 0.7% | |
| November | 0.0% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 141,420
- Elevation
- 105 m
- Coordinates
- 51.64°N, 3.96°W
- Urban area
- 46 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculatedNearby places with higher scores
Annual results for the default weather criteria: