Teresina Climate by Month
Teresina, Piauí, Brazil
Hot all year, with a rainy season from January to April.
The climate in Teresina is hot all year, with a rainy season from January to April. Expect highs of 100°F (38°C) in October and 90°F (32°C) in April, with the coldest nights (August) near 70°F (21°C). It gets 51 in (1291 mm) of rain a year, 74% of it from January to April. August and September are almost completely dry.
- Warmest month
- 100°F(38°C)
- Average high, October
- Coldest nights
- 70°F(21°C)
- Average low, August
- Rain per year
- 51 in(1291 mm)
- Wettest: March
- Humidity
- 63%
- Sunniest: August
Best and worst months in Teresina
Best for weatherJune and July are the best time for weather in Teresina: highs near 92°F (33°C) and about 0.6 in (17 mm) of rain a month.
Least pleasantMarch and April are the least pleasant; March is the wettest, with 12 in (293 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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Teresina weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 92°F(34°C) | 74°F(23°C) | 7.2 in(183 mm) | 70% | 4.4 |
| FebFebruary | 90°F(32°C) | 73°F(23°C) | 8.8 in(223 mm) | 74% | 4.3 |
| MarMarch | 90°F(32°C) | 73°F(23°C) | 12 in(293 mm) | 74% | 4.1 |
| AprApril | 90°F(32°C) | 73°F(23°C) | 10 in(260 mm) | 74% | 4.0 |
| MayMay | 91°F(33°C) | 73°F(23°C) | 4.6 in(117 mm) | 70% | 4.3 |
| JunJuneBest | 91°F(33°C) | 71°F(22°C) | 0.8 in(20 mm) | 63% | 4.4 |
| JulJulyBest | 93°F(34°C) | 70°F(21°C) | 0.5 in(13 mm) | 60% | 4.9 |
| AugAugust | 96°F(35°C) | 70°F(21°C) | 0.3 in(7 mm) | 55% | 5.7 |
| SepSeptember | 99°F(37°C) | 73°F(23°C) | 0.3 in(8 mm) | 50% | 5.6 |
| OctOctober | 100°F(38°C) | 75°F(24°C) | 0.7 in(19 mm) | 52% | 5.3 |
| NovNovember | 98°F(37°C) | 75°F(24°C) | 2.4 in(62 mm) | 58% | 4.9 |
| DecDecember | 96°F(36°C) | 75°F(24°C) | 3.4 in(86 mm) | 60% | 4.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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