Rosário, Brazil Climate by Month
Rosário, Maranhão, Brazil
Hot all year, with a rainy season from January to May.
Rosário is hot all year, with a rainy season from January to May. October is the warmest month, with highs around 94°F (34°C); March is the coolest at 88°F (31°C), and nights dip to 71°F (22°C). Of the 72 in (1817 mm) of rain in a typical year, 80% falls from January to May.
- Warmest month
- 94°F(34°C)
- Average high, October
- Coldest nights
- 71°F(22°C)
- Average low, July
- Rain per year
- 72 in(1817 mm)
- Wettest: April
- Humidity
- 75%
- Sunniest: September
Best and worst months in Rosário
Best for weatherAugust, September and November are the best time for weather in Rosário: highs near 92°F (34°C) and about 0.9 in (24 mm) of rain a month.
Least pleasantApril is the least pleasant month: it's the wettest, with 16 in (394 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 August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Rosário weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 90°F(32°C) | 73°F(23°C) | 7.6 in(194 mm) | 76% | 4.2 |
| FebFebruary | 89°F(31°C) | 73°F(23°C) | 11 in(270 mm) | 81% | 4.2 |
| MarMarch | 88°F(31°C) | 73°F(23°C) | 14 in(353 mm) | 81% | 4.0 |
| AprApril | 88°F(31°C) | 73°F(23°C) | 16 in(394 mm) | 81% | 4.0 |
| MayMay | 89°F(32°C) | 73°F(23°C) | 9.7 in(247 mm) | 80% | 4.4 |
| JunJune | 89°F(32°C) | 72°F(22°C) | 4.8 in(123 mm) | 79% | 4.5 |
| JulJuly | 90°F(32°C) | 71°F(22°C) | 3.2 in(81 mm) | 76% | 5.0 |
| AugAugustBest | 92°F(33°C) | 72°F(22°C) | 1.1 in(29 mm) | 71% | 5.8 |
| SepSeptemberBest | 93°F(34°C) | 73°F(23°C) | 0.7 in(17 mm) | 68% | 5.8 |
| OctOctober | 94°F(34°C) | 73°F(23°C) | 0.7 in(17 mm) | 69% | 5.4 |
| NovNovemberBest | 92°F(34°C) | 73°F(23°C) | 1.0 in(25 mm) | 70% | 4.7 |
| DecDecember | 92°F(33°C) | 74°F(23°C) | 2.6 in(67 mm) | 71% | 4.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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