Santarém Climate by Month
Santarém, Pará, Brazil
Hot all year, with a rainy season from January to May.
The climate in Santarém is hot all year, with a rainy season from January to May. October is the warmest month, with highs around 90°F (32°C); April is the coolest at 85°F (30°C), and nights dip to 72°F (22°C). Of the 81 in (2045 mm) of rain in a typical year, 77% falls from January to May. The air is humid, averaging 84% relative humidity.
- Warmest month
- 90°F(32°C)
- Average high, October
- Coldest nights
- 72°F(22°C)
- Average low, July
- Rain per year
- 81 in(2045 mm)
- Wettest: March
- Humidity
- 84%
- Sunniest: September
Best and worst months in Santarém
Best for weatherAugust to October are the best time for weather in Santarém: highs near 90°F (32°C) and about 1.3 in (33 mm) of rain a month.
Least pleasantMarch is the least pleasant month: it's the wettest, with 16 in (409 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Santarém weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 86°F(30°C) | 74°F(23°C) | 8.9 in(225 mm) | 83% | 3.8 |
| FebFebruary | 86°F(30°C) | 72°F(22°C) | 11 in(292 mm) | 86% | 3.5 |
| MarMarch | 85°F(30°C) | 73°F(23°C) | 16 in(409 mm) | 89% | 3.3 |
| AprApril | 85°F(30°C) | 73°F(23°C) | 14 in(364 mm) | 88% | 3.3 |
| MayMay | 85°F(30°C) | 73°F(23°C) | 11 in(275 mm) | 88% | 3.7 |
| JunJune | 86°F(30°C) | 73°F(23°C) | 5.0 in(128 mm) | 88% | 4.2 |
| JulJuly | 86°F(30°C) | 72°F(22°C) | 3.0 in(77 mm) | 86% | 4.6 |
| AugAugustBest | 90°F(32°C) | 74°F(23°C) | 1.5 in(38 mm) | 79% | 5.2 |
| SepSeptemberBest | 89°F(32°C) | 74°F(24°C) | 0.9 in(22 mm) | 78% | 5.3 |
| OctOctoberBest | 90°F(32°C) | 74°F(24°C) | 1.6 in(40 mm) | 77% | 5.2 |
| NovNovember | 89°F(32°C) | 74°F(24°C) | 2.6 in(65 mm) | 81% | 4.8 |
| DecDecember | 89°F(32°C) | 74°F(24°C) | 4.3 in(110 mm) | 79% | 4.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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