Click on a day for an hourly weather forecast
The temperatures in Bluffton in May are comfortable with low of 12°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Bluffton during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Bluffton in May 2025.
If you’re planning to visit Bluffton in the near future, we highly recommend that you review the 14 day weather forecast for Bluffton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -7° | 4 | 13 | 14 | 42 mm | Awful | Bluffton in January |
| February | 1° / -5° | 4 | 12 | 12 | 45 mm | Awful | Bluffton in February |
| March | 9° / 1° | 5 | 19 | 6 | 61 mm | Bad | Bluffton in March |
| April | 15° / 6° | 7 | 21 | 2 | 73 mm | Bad | Bluffton in April |
| May | 21° / 12° | 7 | 24 | 0 | 93 mm | Ok | Bluffton in May |
| June | 26° / 17° | 6 | 24 | 0 | 92 mm | Perfect | Bluffton in June |
| July | 27° / 18° | 6 | 25 | 0 | 76 mm | Perfect | Bluffton in July |
| August | 26° / 17° | 4 | 27 | 0 | 68 mm | Perfect | Bluffton in August |
| September | 23° / 13° | 4 | 26 | 0 | 59 mm | Perfect | Bluffton in September |
| October | 17° / 8° | 5 | 26 | 1 | 53 mm | Good | Bluffton in October |
| November | 9° / 2° | 5 | 21 | 4 | 46 mm | Bad | Bluffton in November |
| December | 3° / -2° | 5 | 16 | 10 | 48 mm | Awful | Bluffton in December |