Click on a day for an hourly weather forecast
The temperatures in Bulgaria in May are quite cold with temperatures between 8°C and 20°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Bulgaria. 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 Bulgaria in May 2026.
If you’re planning to visit Bulgaria in the near future, we highly recommend that you review the 14 day weather forecast for Bulgaria before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -4° | 7 | 11 | 13 | 75 mm | Awful | Bulgaria in January |
| February | 6° / -2° | 5 | 12 | 11 | 49 mm | Awful | Bulgaria in February |
| March | 9° / 1° | 6 | 15 | 10 | 87 mm | Bad | Bulgaria in March |
| April | 15° / 4° | 6 | 21 | 3 | 84 mm | Ok | Bulgaria in April |
| May | 20° / 8° | 10 | 21 | 0 | 101 mm | Ok | Bulgaria in May |
| June | 24° / 11° | 10 | 20 | 0 | 131 mm | Good | Bulgaria in June |
| July | 27° / 13° | 6 | 25 | 0 | 87 mm | Perfect | Bulgaria in July |
| August | 29° / 14° | 3 | 28 | 0 | 40 mm | Good | Bulgaria in August |
| September | 24° / 11° | 3 | 27 | 0 | 45 mm | Perfect | Bulgaria in September |
| October | 17° / 7° | 4 | 26 | 1 | 65 mm | Good | Bulgaria in October |
| November | 12° / 4° | 4 | 24 | 2 | 40 mm | Bad | Bulgaria in November |
| December | 5° / -2° | 6 | 16 | 10 | 56 mm | Awful | Bulgaria in December |