São Mateus do Maranhão Climate by Month
São Mateus do Maranhão, Maranhão, Brazil
Hot all year, with a rainy season from January to April.
The climate in São Mateus do Maranhão is hot all year, with a rainy season from January to April. Expect highs of 98°F (36°C) in October and 89°F (32°C) in March, with the coldest nights (July) near 70°F (21°C). It gets 61 in (1555 mm) of rain a year, 74% of it from January to April.
- Warmest month
- 98°F(36°C)
- Average high, October
- Coldest nights
- 70°F(21°C)
- Average low, July
- Rain per year
- 61 in(1555 mm)
- Wettest: March
- Humidity
- 71%
- Sunniest: September
Best and worst months in São Mateus do Maranhão
Best for weatherJune to August are the best time for weather in São Mateus do Maranhão: highs near 93°F (34°C) and about 0.8 in (21 mm) of rain a month.
Least pleasantMarch and April are the least pleasant; March is the wettest, with 13 in (342 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 July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
São Mateus do Maranhão weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 90°F(32°C) | 73°F(23°C) | 9.1 in(231 mm) | 76% | 4.4 |
| FebFebruary | 89°F(32°C) | 73°F(23°C) | 11 in(268 mm) | 80% | 4.1 |
| MarMarch | 89°F(32°C) | 73°F(23°C) | 13 in(342 mm) | 81% | 4.0 |
| AprApril | 89°F(32°C) | 73°F(23°C) | 12 in(308 mm) | 81% | 4.0 |
| MayMay | 91°F(33°C) | 73°F(23°C) | 6.3 in(159 mm) | 78% | 4.4 |
| JunJuneBest | 91°F(33°C) | 71°F(22°C) | 1.5 in(38 mm) | 72% | 4.6 |
| JulJulyBest | 92°F(34°C) | 70°F(21°C) | 0.7 in(18 mm) | 69% | 4.9 |
| AugAugustBest | 95°F(35°C) | 71°F(21°C) | 0.3 in(8 mm) | 63% | 5.7 |
| SepSeptember | 97°F(36°C) | 73°F(23°C) | 0.4 in(10 mm) | 58% | 5.9 |
| OctOctober | 98°F(36°C) | 74°F(24°C) | 0.8 in(20 mm) | 59% | 5.7 |
| NovNovember | 96°F(35°C) | 75°F(24°C) | 2.1 in(54 mm) | 63% | 5.2 |
| DecDecember | 94°F(34°C) | 74°F(23°C) | 3.9 in(99 mm) | 68% | 4.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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