Viana, Brazil Climate by Month
Viana, Maranhão, Brazil
Hot all year, with a rainy season from January to May.
The climate in Viana is hot all year, with a rainy season from January to May. Afternoon highs range from 88°F (31°C) in March to 94°F (35°C) in October, and August nights average 71°F (22°C). It gets 69 in (1764 mm) of rain a year, 79% of it from January to May.
- Warmest month
- 94°F(35°C)
- Average high, October
- Coldest nights
- 71°F(22°C)
- Average low, August
- Rain per year
- 69 in(1764 mm)
- Wettest: April
- Humidity
- 76%
- Sunniest: August
Best and worst months in Viana
Best for weatherJuly to September are the best time for weather in Viana: highs near 92°F (33°C) and about 1.4 in (36 mm) of rain a month.
Least pleasantMarch and April are the least pleasant; April is the wettest, with 15 in (372 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)
Viana weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 90°F(32°C) | 73°F(23°C) | 7.5 in(191 mm) | 79% | 4.2 |
| FebFebruary | 89°F(31°C) | 73°F(23°C) | 9.9 in(252 mm) | 81% | 3.9 |
| MarMarch | 88°F(31°C) | 73°F(23°C) | 14 in(355 mm) | 84% | 3.9 |
| AprApril | 88°F(31°C) | 73°F(23°C) | 15 in(372 mm) | 84% | 4.0 |
| MayMay | 89°F(32°C) | 74°F(23°C) | 8.8 in(224 mm) | 82% | 4.6 |
| JunJune | 89°F(32°C) | 73°F(23°C) | 4.2 in(107 mm) | 78% | 4.6 |
| JulJulyBest | 90°F(32°C) | 71°F(22°C) | 2.6 in(67 mm) | 76% | 5.0 |
| AugAugustBest | 92°F(33°C) | 71°F(22°C) | 0.9 in(23 mm) | 71% | 5.6 |
| SepSeptemberBest | 93°F(34°C) | 72°F(22°C) | 0.7 in(18 mm) | 68% | 5.5 |
| OctOctober | 94°F(35°C) | 73°F(23°C) | 1.1 in(27 mm) | 69% | 5.2 |
| NovNovember | 92°F(34°C) | 73°F(23°C) | 2.0 in(50 mm) | 70% | 4.8 |
| DecDecember | 92°F(33°C) | 73°F(23°C) | 3.1 in(78 mm) | 73% | 4.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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