Click on a day for an hourly weather forecast
The temperatures in Sisak in May are comfortable with low of 10°C and and high up to 21°C.
You can expect rain for roughly half of the month of May in Sisak. 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 Sisak in May 2026.
If you’re planning to visit Sisak in the near future, we highly recommend that you review the 14 day weather forecast for Sisak before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 6 | 15 | 10 | 88 mm | Awful | Sisak in January |
| February | 7° / 0° | 5 | 15 | 8 | 104 mm | Bad | Sisak in February |
| March | 12° / 3° | 6 | 22 | 3 | 81 mm | Bad | Sisak in March |
| April | 18° / 7° | 6 | 24 | 1 | 87 mm | Good | Sisak in April |
| May | 21° / 10° | 10 | 21 | 0 | 162 mm | Ok | Sisak in May |
| June | 26° / 14° | 7 | 23 | 0 | 129 mm | Good | Sisak in June |
| July | 29° / 15° | 5 | 26 | 0 | 107 mm | Good | Sisak in July |
| August | 29° / 15° | 4 | 27 | 0 | 82 mm | Good | Sisak in August |
| September | 24° / 12° | 6 | 24 | 0 | 122 mm | Perfect | Sisak in September |
| October | 17° / 8° | 6 | 25 | 0 | 110 mm | Good | Sisak in October |
| November | 12° / 5° | 6 | 22 | 1 | 104 mm | Ok | Sisak in November |
| December | 6° / 1° | 5 | 21 | 5 | 84 mm | Awful | Sisak in December |