Click on a day for an hourly weather forecast
The temperatures in Las Grutas in May are comfortable with low of 17°C and and high up to 27°C.
You can expect rain for roughly half of the month of May in Las Grutas. 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 Las Grutas in May 2026.
If you’re planning to visit Las Grutas in the near future, we highly recommend that you review the 14 day weather forecast for Las Grutas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 23° / 12° | 3 | 28 | 0 | 68 mm | Perfect | Las Grutas in January |
| February | 25° / 13° | 2 | 26 | 0 | 44 mm | Perfect | Las Grutas in February |
| March | 27° / 14° | 4 | 28 | 0 | 62 mm | Perfect | Las Grutas in March |
| April | 28° / 16° | 8 | 22 | 0 | 126 mm | Good | Las Grutas in April |
| May | 27° / 17° | 14 | 17 | 0 | 319 mm | Good | Las Grutas in May |
| June | 25° / 16° | 23 | 7 | 0 | 704 mm | Good | Las Grutas in June |
| July | 26° / 16° | 18 | 13 | 0 | 475 mm | Good | Las Grutas in July |
| August | 25° / 16° | 22 | 9 | 0 | 716 mm | Good | Las Grutas in August |
| September | 24° / 16° | 23 | 7 | 0 | 666 mm | Good | Las Grutas in September |
| October | 24° / 15° | 16 | 15 | 0 | 401 mm | Good | Las Grutas in October |
| November | 23° / 13° | 5 | 25 | 0 | 119 mm | Perfect | Las Grutas in November |
| December | 23° / 13° | 1 | 30 | 0 | 46 mm | Perfect | Las Grutas in December |