Click on a day for an hourly weather forecast
The temperatures in Calama in May are quite cold with temperatures between 7°C and 19°C, warm clothes are a must.
There is little to no rain in Calama during May, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Calama in May 2026.
If you’re planning to visit Calama in the near future, we highly recommend that you review the 14 day weather forecast for Calama before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 22° / 10° | 1 | 30 | 0 | 22 mm | Good | Calama in January |
| February | 22° / 11° | 1 | 27 | 0 | 33 mm | Good | Calama in February |
| March | 22° / 10° | 0 | 31 | 0 | 6 mm | Good | Calama in March |
| April | 21° / 8° | 0 | 30 | 0 | 1 mm | Good | Calama in April |
| May | 19° / 7° | 0 | 31 | 0 | 3 mm | Good | Calama in May |
| June | 17° / 6° | 0 | 30 | 0 | 3 mm | Good | Calama in June |
| July | 17° / 5° | 0 | 31 | 0 | 2 mm | Good | Calama in July |
| August | 19° / 6° | 0 | 31 | 0 | 1 mm | Good | Calama in August |
| September | 20° / 7° | 0 | 30 | 0 | 0 mm | Good | Calama in September |
| October | 22° / 7° | 0 | 31 | 0 | 0 mm | Good | Calama in October |
| November | 22° / 8° | 0 | 30 | 0 | 0 mm | Good | Calama in November |
| December | 22° / 9° | 0 | 31 | 0 | 5 mm | Good | Calama in December |