Santarém weather by month & the best time to visit
Brazil · regional city · tropical monsoon climate

The best time to visit Santarém is September — its sunniest month (Sunshine Score 86/100), with August close behind. Santarém averages about 2,281 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 36 mm of rain in September.
When is the best time to visit Santarém?
For sunshine, the best time to visit Santarém is September, then August. The dullest month is January (65/100, 209 mm of rain). The full month-by-month picture is in the table below.
How sunny is Santarém?
Santarém gets a moderate 2,281 hours of sunshine a year. September (86/100) is noticeably better than January (65). It ranks #97 of 131 destinations in Brazil for annual sunshine, below the national median of 2,486 hours. Rain has a clear season: the wettest stretch, around March, carries about 48% of the annual 1,921 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 65 | 29° / 84°F | 25° / 77°F | 209 mm | 9 |
| February | 65 | 28° / 82°F | 25° / 77°F | 278 mm | 10 |
| March | 65 | 28° / 82°F | 25° / 77°F | 327 mm | 10 |
| April | 65 | 27° / 81°F | 25° / 77°F | 321 mm | 9 |
| May | 65 | 28° / 82°F | 25° / 77°F | 239 mm | 9 |
| June | 69 | 28° / 82°F | 25° / 77°F | 124 mm | 9 |
| July | 75 | 28° / 82°F | 25° / 77°F | 93 mm | 9 |
| August | 84 | 30° / 86°F | 25° / 77°F | 45 mm | 10 |
| September | 86 | 32° / 90°F | 26° / 79°F | 36 mm | 10 |
| October | 66 | 34° / 93°F | 27° / 81°F | 54 mm | 10 |
| November | 71 | 33° / 91°F | 27° / 81°F | 70 mm | 9 |
| December | 69 | 31° / 88°F | 26° / 79°F | 125 mm | 9 |
Nearest destinations
Head-to-head
How Santarém compares month by month: Santarém vs Manaus · Santarém vs Macapá · Santarém vs Marabá · all comparisons
Santarém: questions and answers
What kind of destination is Santarém?
Santarém is a regional city in Brazil with a tropical monsoon climate.
How many hours of sunshine does Santarém get a year?
Santarém gets about 2,281 hours of sunshine a year, at its best around September.
When is the best time to visit Santarém?
The sunniest time to visit Santarém is September, when the Sunshine Score peaks at 86/100 (with August close behind). Expect daytime highs around 32°C / 90°F.
What is the least sunny month in Santarém?
January is the least sunny month in Santarém, scoring 65/100 with about 209 mm of rain.
How strong is the sun in Santarém?
The typical midday UV index in Santarém peaks around 10 (very high) in February, easing to about 9 (very high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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