Altos Climate by Month
Altos, Piauí, Brazil
Hot all year, with a rainy season from January to April.
Hot all year, with a rainy season from January to April: that's Altos's climate in short. Afternoon highs range from 87°F (31°C) in April to 97°F (36°C) in October, and July nights average 68°F (20°C). It gets 49 in (1242 mm) of rain a year, 77% of it from January to April. August and September are almost completely dry.
- Warmest month
- 97°F(36°C)
- Average high, October
- Coldest nights
- 68°F(20°C)
- Average low, July
- Rain per year
- 49 in(1242 mm)
- Wettest: March
- Humidity
- 66%
- Sunniest: September
Best and worst months in Altos
Best for weatherJune and July are the best time for weather in Altos: highs near 89°F (32°C) and about 0.6 in (15 mm) of rain a month.
Least pleasantMarch is the least pleasant month: it's the wettest, with 12 in (309 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)
Altos weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 90°F(32°C) | 71°F(22°C) | 6.7 in(171 mm) | 70% | 4.6 |
| FebFebruary | 88°F(31°C) | 71°F(22°C) | 8.7 in(220 mm) | 76% | 4.4 |
| MarMarch | 88°F(31°C) | 71°F(22°C) | 12 in(309 mm) | 76% | 4.3 |
| AprApril | 87°F(31°C) | 71°F(22°C) | 10 in(254 mm) | 77% | 4.3 |
| MayMay | 88°F(31°C) | 71°F(22°C) | 4.0 in(102 mm) | 73% | 4.5 |
| JunJuneBest | 89°F(32°C) | 69°F(21°C) | 0.7 in(19 mm) | 68% | 4.7 |
| JulJulyBest | 90°F(32°C) | 68°F(20°C) | 0.4 in(11 mm) | 62% | 5.2 |
| AugAugust | 93°F(34°C) | 68°F(20°C) | 0.2 in(4 mm) | 56% | 5.8 |
| SepSeptember | 96°F(36°C) | 71°F(22°C) | 0.2 in(6 mm) | 54% | 5.9 |
| OctOctober | 97°F(36°C) | 72°F(22°C) | 0.9 in(22 mm) | 54% | 5.7 |
| NovNovember | 95°F(35°C) | 73°F(23°C) | 1.8 in(46 mm) | 60% | 5.2 |
| DecDecember | 93°F(34°C) | 73°F(23°C) | 3.1 in(78 mm) | 62% | 5.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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