Lençóis Maranhenses National Park
Brazil
Sweeping white dunes cradle thousands of crystal-clear freshwater lagoons born from seasonal rains.
Warmest month is July at 30°C on average. Coolest is January at 29°C. Driest reading falls in September with 2 rain days.
Six lead datapoints
- CoffeeWorld Bank PPP baselineR$11 (~$2.00)PPP price tier 2 / 4
- R$15 (~$2.75)PPP price tier 2 / 4
- Flight timeMethodology10h from London HeathrowGreat-circle plus routing overhead.
- Flight CO2eDEFRA 2024 factors2,756 kg return from London HeathrowDEFRA 2024 economy factors, includes radiative forcing.
- FCDO advisorygov.uk, snapshot compiled 2026-07-11FCDO advises against travel to specific parts of the country.Advises against travel to specific favelas and border areas; check per-city guidance. Check the latest FCDO advice before booking.
- Tap waterCDC / WHO guidanceDo not drink from the tap; use bottled or treated water.
| Month | Avg high | Swing | Rain days |
|---|---|---|---|
| January | 29° | ±2° | 26 |
| February | 29° | ±2° | 28 |
| March | 29° | ±2° | 29 |
| April | 29° | ±1° | 29 |
| May | 29° | ±1° | 24 |
| June | 29° | ±1° | 20 |
| July | 30° | ±1° | 11 |
| August | 30° | ±1° | 4 |
| September | 29° | ±1° | 2 |
| October | 29° | ±1° | 4 |
| November | 30° | ±1° | 6 |
| December | 29° | ±1° | 14 |
What to do
- Swim in the striking waters of Lagoa Azul
- Bounce through the dunes via an open-air 4x4 from Barreirinhas
- Fly in a Cessna for an overwhelming aerial view of the rippling sands
- Watch a pristine sunset from atop an immense dune
How we know this
Values are the average of the last ten calendar years of daily readings from Visual Crossing, snapped to the destination cluster. Swing is the p10 to p90 range of daily highs, halved for the ± figure. Rain days count any day with at least 1 mm of precipitation.