Click on a day for an hourly weather forecast
The temperatures in San Gwann in May are comfortable with low of 18°C and and high up to 20°C.
You can expect a few rainy days in San Gwann during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in San Gwann in May 2025.
If you’re planning to visit San Gwann in the near future, we highly recommend that you review the 14 day weather forecast for San Gwann before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 14° | 4 | 27 | 0 | 84 mm | Good | San Gwann in January |
| February | 15° / 13° | 4 | 24 | 0 | 82 mm | Good | San Gwann in February |
| March | 15° / 14° | 3 | 28 | 0 | 56 mm | Good | San Gwann in March |
| April | 17° / 15° | 1 | 29 | 0 | 19 mm | Good | San Gwann in April |
| May | 20° / 18° | 1 | 30 | 0 | 16 mm | Good | San Gwann in May |
| June | 24° / 22° | 0 | 30 | 0 | 7 mm | Perfect | San Gwann in June |
| July | 27° / 25° | 0 | 31 | 0 | 1 mm | Perfect | San Gwann in July |
| August | 28° / 26° | 1 | 30 | 0 | 9 mm | Perfect | San Gwann in August |
| September | 26° / 25° | 2 | 28 | 0 | 50 mm | Perfect | San Gwann in September |
| October | 24° / 22° | 6 | 25 | 0 | 126 mm | Perfect | San Gwann in October |
| November | 21° / 19° | 6 | 24 | 0 | 139 mm | Good | San Gwann in November |
| December | 17° / 16° | 4 | 27 | 0 | 89 mm | Good | San Gwann in December |