Click on a day for an hourly weather forecast
The weather in Santarem in August is hot. The average temperatures are between 15°C and 32°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect up to 3 rainy days in Santarem during the month of August.
Our weather forecast can give you a great sense of what weather to expect in Santarem in August 2025.
If you’re planning to visit Santarem in the near future, we highly recommend that you review the 14 day weather forecast for Santarem before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 6° | 7 | 25 | 0 | 98 mm | Ok | Santarem in January |
| February | 15° / 6° | 6 | 23 | 0 | 101 mm | Good | Santarem in February |
| March | 18° / 8° | 7 | 24 | 0 | 104 mm | Ok | Santarem in March |
| April | 20° / 9° | 7 | 23 | 0 | 98 mm | Ok | Santarem in April |
| May | 24° / 12° | 4 | 27 | 0 | 70 mm | Perfect | Santarem in May |
| June | 27° / 14° | 2 | 28 | 0 | 28 mm | Perfect | Santarem in June |
| July | 30° / 15° | 1 | 30 | 0 | 8 mm | Good | Santarem in July |
| August | 32° / 15° | 1 | 30 | 0 | 9 mm | Good | Santarem in August |
| September | 29° / 15° | 3 | 27 | 0 | 61 mm | Good | Santarem in September |
| October | 24° / 13° | 5 | 26 | 0 | 114 mm | Perfect | Santarem in October |
| November | 17° / 9° | 6 | 24 | 0 | 125 mm | Good | Santarem in November |
| December | 15° / 7° | 5 | 26 | 0 | 108 mm | Good | Santarem in December |