Brazil
Santarém sees feels-like daytime highs peak around 40.8°C in November and nighttime lows bottom out near 30.6°C in October. March is the wettest month (~300 mm), while September is the driest (~21 mm). For sunshine, July leads with about 53% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are October, September, and August — expect around 30.6–39.8°C with roughly 16% chance of rain on a given day in October.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 31.6° / 39° | 60% | 188 mm | 27% | 6.5 kph |
| February | 30.8° / 38.1° | 68% | 242 mm | 27% | 6.4 kph |
| March | 30.9° / 38.2° | 80% | 300 mm | 25% | 6.1 kph |
| April | 30.9° / 38.3° | 80% | 288 mm | 24% | 5.7 kph |
| May | 31.1° / 38.5° | 69% | 217 mm | 30% | 5.7 kph |
| June | 31.2° / 39.7° | 48% | 104 mm | 45% | 6 kph |
| July | 31.1° / 39.7° | 32% | 65 mm | 53% | 6.4 kph |
| August☀ | 30.7° / 40.2° | 18% | 33 mm | 50% | 7 kph |
| September☀ | 30.9° / 40.1° | 12% | 21 mm | 41% | 7.3 kph |
| October☀ | 30.6° / 39.8° | 16% | 33 mm | 32% | 7 kph |
| November | 31.3° / 40.8° | 24% | 56 mm | 25% | 6.7 kph |
| December | 31.9° / 40.4° | 40% | 106 mm | 25% | 6.6 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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