Flat Holm Island Weather Forecast
- 11
- 15
Cloudy
- 11
- 16
Cloudy
- 11
- 17
Cloudy
- 8
- 15
Cloudy
- 7
- 13
Partly cloudy
- 9
- 13
Partly cloudy
Flat Holm Island Temperature Statistics
May Temperature
St-athan (22km)
Lowest 2 May, 2026
7.3 °CAverage May
12 °CHighest 4 May, 2026
16.9 °C
Climate (2021–Present)
St-athan (22km)
Average Low 2021–2026
9 °CAverage 2021–2026
11.8 °CAverage High 2021–2026
14.6 °C