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Parnaíba

PI · Northeast

Population: 171,342 (IBGE estimate 2026)

About Parnaíba

Photo of Parnaíba
Photo: Robertooaraujo · CC BY-SA 4.0 · Wikimedia Commons

Machine translation of the Portuguese Wikipedia article (November 2026 version).

Parnaíba is a Brazilian municipality in the state of Piauí, the second most populous in the state, with an estimated population of 172 thousand in 2025 according to IBGE. It is the main city of the Parnaíba Metropolitan Region. Located on the Piauí coast, it is one of the four coastal municipalities in the state (along with Ilha Grande, Luís Correia and Cajueiro da Praia). Parnaíba is conurbated with Luís Correia, and it is also the gateway to the Parnaíba Delta, the only delta in the Americas that opens onto the open sea, popularly known as the “Capital of the Delta”. The city has great historical value for Piauí, with numerous historic monuments listed by IPHAN, mainly in the vicinity of the Porto das Barcas.

Text: Wikipedia · CC BY-SA 4.0 · Read the full article on Wikipedia (in Portuguese)

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Scores by topic

0 to 100, compared with Brazilian municipalities of 100,000+ residents (rent: compared among the 36 cities with rent data).

Cost of living

No rent data

Rent data (FipeZAP) covers 36 cities. Here the cost topic counts as average (50) in the score.

Healthcare

41

All 338 cities: 34

Hospital beds per 1,000

3.08 per 1,000 residents

Source: CNES / DATASUS (TabNet) · Reference: Sep 2026 · License: Public data

Doctors per 1,000

2.85 per 1,000 residents

Source: CNES / DATASUS (TabNet) · Reference: Sep 2026 · License: Public data

Airport access

30

All 338 cities: 60

Distance to intl. airport (km)

370.45 km

Source: ANAC – Voo Regular Ativo e Aeródromos · Reference: Sep 2025–Aug 2026 · License: Open data

International departures within 100 km

0 departures in 12 months

Source: ANAC – Voo Regular Ativo e Aeródromos · Reference: Sep 2025–Aug 2026 · License: Open data

Nearest international airport

Pinto Martins (SBFZ), 371 km in a straight line · 1,215 international departures in 12 months

Social Progress Index (overall)

60.5

score 0–100 · Source: Índice de Progresso Social Brasil · Reference: SPI Brazil 2026 (2024 data) · License: CC BY 4.0 (report)

Climate month by month

Hot Average temperature: 27.7 °C (Average temperature 25 °C (77 °F) or higher)

20 25 30 35 °C 0100200300 mm Jan: 122 mm Feb: 181 mm Mar: 259 mm Apr: 269 mm May: 174 mm Jun: 50 mm Jul: 41 mm Aug: 4 mm Sep: 1 mm Oct: 1 mm Nov: 4 mm Dec: 28 mm Jan: 32.1 °CFeb: 31.4 °CMar: 30.9 °CApr: 30.9 °CMay: 31.2 °CJun: 31.7 °CJul: 32.2 °CAug: 33.4 °CSep: 33.9 °COct: 33.7 °CNov: 33.6 °CDec: 33.2 °C Jan: 23.4 °CFeb: 23.2 °CMar: 23.1 °CApr: 23 °CMay: 22.8 °CJun: 22.2 °CJul: 21.8 °CAug: 22.3 °CSep: 23.1 °COct: 23.6 °CNov: 23.9 °CDec: 24 °C JanFebMarAprMayJunJulAugSepOctNovDec
Avg. high (°C) Avg. low (°C) Rain (mm)
Show monthly table
Month JanFebMarAprMayJunJulAugSepOctNovDec
Avg. high (°C) 32.131.430.930.931.231.732.233.433.933.733.633.2
Avg. low (°C) 23.423.223.123.022.822.221.822.323.123.623.924.0
Rain (mm) 1221812592691745041411428

Weather station Parnaiba, 19 km away · climate normals 1981-2010 · Source: INMET Normais Climatológicas · License: Public data

Location

Cities with a similar profile

Topic scores closest to those of Parnaíba. Scores use your weights.

  1. Paulo Afonso BA · Northeast 44
  2. Barreiras BA · Northeast 42
  3. Iguatu CE · Northeast 44
  4. Patos PB · Northeast 46
  5. Vitória da Conquista BA · Northeast 47
  6. Imperatriz MA · Northeast 42

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