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The temperatures in San Bernardo in May are quite cold with temperatures between 7°C and 18°C, warm clothes are a must.
The wather in San Bernardo in May 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 San Bernardo in May 2026.
If you’re planning to visit San Bernardo in the near future, we highly recommend that you review the 14 day weather forecast for San Bernardo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 25° / 13° | 0 | 31 | 0 | 7 mm | Perfect | San Bernardo in January |
| February | 25° / 13° | 0 | 28 | 0 | 3 mm | Perfect | San Bernardo in February |
| March | 25° / 12° | 0 | 31 | 0 | 2 mm | Perfect | San Bernardo in March |
| April | 22° / 9° | 1 | 29 | 0 | 7 mm | Good | San Bernardo in April |
| May | 18° / 7° | 2 | 29 | 0 | 53 mm | Good | San Bernardo in May |
| June | 15° / 4° | 4 | 26 | 0 | 126 mm | Good | San Bernardo in June |
| July | 14° / 2° | 3 | 28 | 1 | 64 mm | Good | San Bernardo in July |
| August | 16° / 3° | 3 | 28 | 0 | 72 mm | Good | San Bernardo in August |
| September | 18° / 4° | 2 | 28 | 0 | 35 mm | Good | San Bernardo in September |
| October | 20° / 6° | 1 | 30 | 0 | 21 mm | Good | San Bernardo in October |
| November | 22° / 9° | 1 | 29 | 0 | 10 mm | Good | San Bernardo in November |
| December | 24° / 11° | 0 | 31 | 0 | 6 mm | Perfect | San Bernardo in December |