Click on a day for an hourly weather forecast
The temperatures in Rialto in January are quite cold with temperatures between 5°C and 18°C, warm clothes are a must.
The wather in Rialto in January can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Rialto in January 2025.
If you’re planning to visit Rialto in the near future, we highly recommend that you review the 14 day weather forecast for Rialto before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 5° | 2 | 29 | 0 | 50 mm | Good | Rialto in January |
| February | 18° / 5° | 2 | 26 | 0 | 55 mm | Good | Rialto in February |
| March | 20° / 5° | 2 | 29 | 0 | 31 mm | Good | Rialto in March |
| April | 23° / 7° | 1 | 29 | 0 | 23 mm | Perfect | Rialto in April |
| May | 26° / 9° | 0 | 31 | 0 | 7 mm | Perfect | Rialto in May |
| June | 31° / 12° | 0 | 30 | 0 | 2 mm | Good | Rialto in June |
| July | 34° / 15° | 1 | 30 | 0 | 18 mm | Ok | Rialto in July |
| August | 34° / 16° | 0 | 31 | 0 | 10 mm | Ok | Rialto in August |
| September | 32° / 14° | 0 | 30 | 0 | 7 mm | Good | Rialto in September |
| October | 27° / 10° | 0 | 31 | 0 | 8 mm | Perfect | Rialto in October |
| November | 22° / 7° | 1 | 29 | 0 | 18 mm | Good | Rialto in November |
| December | 17° / 4° | 3 | 28 | 0 | 63 mm | Good | Rialto in December |