Parnaíba Climate by Month
Parnaíba, Piauí, Brazil
Hot all year, with a rainy season from February to May.
Parnaíba is hot all year, with a rainy season from February to May. October is the warmest month, with highs around 94°F (34°C); April is the coolest at 89°F (31°C), and nights dip to 73°F (23°C). It gets 49 in (1250 mm) of rain a year, 80% of it from February to May. August to November are almost completely dry.
- Warmest month
- 94°F(34°C)
- Average high, October
- Coldest nights
- 73°F(23°C)
- Average low, August
- Rain per year
- 49 in(1250 mm)
- Wettest: April
- Humidity
- 70%
- Sunniest: September
Best and worst months in Parnaíba
Best for weatherThe most comfortable weather comes in August, September and November, with highs around 93°F (34°C) and almost no rain.
Least pleasantMarch and April are the least pleasant; April is the wettest, with 13 in (322 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)
Parnaíba weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 92°F(33°C) | 75°F(24°C) | 5.3 in(135 mm) | 69% | 4.8 |
| FebFebruary | 90°F(32°C) | 75°F(24°C) | 8.6 in(219 mm) | 74% | 4.5 |
| MarMarch | 89°F(32°C) | 75°F(24°C) | 12 in(296 mm) | 75% | 4.3 |
| AprApril | 89°F(31°C) | 75°F(24°C) | 13 in(322 mm) | 76% | 4.2 |
| MayMay | 90°F(32°C) | 74°F(24°C) | 6.6 in(167 mm) | 75% | 4.6 |
| JunJune | 91°F(33°C) | 74°F(23°C) | 2.0 in(52 mm) | 69% | 4.5 |
| JulJuly | 92°F(33°C) | 73°F(23°C) | 1.0 in(25 mm) | 68% | 5.0 |
| AugAugustBest | 93°F(34°C) | 73°F(23°C) | 0.0 in(1 mm) | 65% | 5.8 |
| SepSeptemberBest | 93°F(34°C) | 74°F(23°C) | 0.0 in(1 mm) | 66% | 6.0 |
| OctOctober | 94°F(34°C) | 74°F(23°C) | 0.1 in(2 mm) | 65% | 5.8 |
| NovNovemberBest | 93°F(34°C) | 75°F(24°C) | 0.3 in(7 mm) | 68% | 5.5 |
| DecDecember | 93°F(34°C) | 76°F(24°C) | 0.9 in(23 mm) | 67% | 5.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Parnaíba →- 🇧🇷AcaraúCeará, Brazil · Pop. 63k99%matchSame daytime highsSame nighttime lowsParnaíba vs Acaraú →
- 🇧🇷CamocimCeará, Brazil · Pop. 64k98%matchSame nighttime lowsSame daytime highsParnaíba vs Camocim →
- 🇧🇷AmontadaCeará, Brazil · Pop. 44k98%matchSame daytime highsSame humidityParnaíba vs Amontada →
- 🇧🇷BarreirinhasMaranhão, Brazil · Pop. 66k94%matchSame daytime highsSame nighttime lowsParnaíba vs Barreirinhas →
- 🇧🇷Morada NovaCeará, Brazil · Pop. 62k93%matchSame daytime highsSame sunshineParnaíba vs Morada Nova →