Click on a day for an hourly weather forecast
The temperatures in Rieti in May are quite cold with temperatures between 6°C and 21°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Rieti. 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 Rieti in May 2026.
If you’re planning to visit Rieti in the near future, we highly recommend that you review the 14 day weather forecast for Rieti before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / -2° | 7 | 22 | 2 | 103 mm | Awful | Rieti in January |
| February | 10° / -1° | 7 | 18 | 3 | 110 mm | Awful | Rieti in February |
| March | 13° / 0° | 7 | 24 | 1 | 103 mm | Bad | Rieti in March |
| April | 17° / 3° | 7 | 23 | 0 | 92 mm | Ok | Rieti in April |
| May | 21° / 6° | 10 | 21 | 0 | 139 mm | Ok | Rieti in May |
| June | 26° / 9° | 8 | 22 | 0 | 122 mm | Good | Rieti in June |
| July | 30° / 12° | 5 | 26 | 0 | 78 mm | Good | Rieti in July |
| August | 30° / 12° | 5 | 26 | 0 | 77 mm | Good | Rieti in August |
| September | 25° / 9° | 6 | 24 | 0 | 97 mm | Perfect | Rieti in September |
| October | 20° / 6° | 5 | 26 | 0 | 87 mm | Good | Rieti in October |
| November | 14° / 3° | 6 | 23 | 1 | 132 mm | Good | Rieti in November |
| December | 10° / -1° | 5 | 25 | 2 | 115 mm | Bad | Rieti in December |