Click on a day for an hourly weather forecast
The temperatures in Diano Marina in May are usually low and can range between 14°C and 19°C.
You can expect rain for roughly half of the month of May in Diano Marina. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Diano Marina in May 2026.
If you’re planning to visit Diano Marina in the near future, we highly recommend that you review the 14 day weather forecast for Diano Marina before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 6° | 5 | 25 | 0 | 100 mm | Ok | Diano Marina in January |
| February | 10° / 6° | 6 | 22 | 0 | 92 mm | Ok | Diano Marina in February |
| March | 13° / 8° | 7 | 24 | 0 | 117 mm | Bad | Diano Marina in March |
| April | 16° / 11° | 8 | 22 | 0 | 102 mm | Ok | Diano Marina in April |
| May | 19° / 14° | 8 | 23 | 0 | 102 mm | Ok | Diano Marina in May |
| June | 23° / 18° | 9 | 21 | 0 | 82 mm | Good | Diano Marina in June |
| July | 26° / 20° | 9 | 22 | 0 | 70 mm | Good | Diano Marina in July |
| August | 26° / 21° | 7 | 24 | 0 | 66 mm | Good | Diano Marina in August |
| September | 23° / 18° | 8 | 22 | 0 | 85 mm | Good | Diano Marina in September |
| October | 19° / 14° | 8 | 23 | 0 | 165 mm | Ok | Diano Marina in October |
| November | 14° / 10° | 8 | 22 | 0 | 261 mm | Ok | Diano Marina in November |
| December | 11° / 7° | 5 | 25 | 0 | 108 mm | Ok | Diano Marina in December |