
In numbers.
Mar–Jun
Best months
334m
Elevation
The water at Cachoeira Acutumã, month by month
It roars from April to June.
The fullest months: from April to June. The thinnest: from September to December.
- 36%Jan
- 56%Feb
- 70%Mar
- 94%Apr
- 100%May
- 75%Jun
- 50%Jul
- 28%Aug
- 12%Sep
- 6%Oct
- 6%Nov
- 18%Dec
Best months to go, with plenty of water and pleasant days: from March to June.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Cachoeira Acutumã is a waterfall in Brazil.
Getting there.
- Trombetas Airport (TMT)nearest airport with scheduled flights · 321 km in a straight lineCar hire in SantaremDiscover Cars · Affiliate link↗
- From March to Junebest months to go (estimate)
Plan your visit
Stay, explore and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
Seen from the sky.
8 × 8 km of cloud-free satellite image, with what OpenStreetMap knows around the falls.
N
2 km
Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 8 × 8 km, north up. Points © OpenStreetMap contributors.
What is around.
- —viewpoints
- —waymarked walking routes
- —car parks
- —swimming spots
- —picnic sites
- —toilets
- —information boards and visitor centres
- —bus stops within 1 km
- —other named waterfalls within 4 km
- —caves
- —campsites
- —hotels, B&Bs and huts within 6 km
- —restaurants and cafés within 3 km
Counted in OpenStreetMap, the map anyone can edit, up to 2 km around the falls (unless noted). A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).
Weather
The weather, month by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon °C | 30 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 32 | 34 | 34 | 32 |
| Night °C | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 |
| Rain & snow (mm) | 168 | 213 | 240 | 313 | 296 | 191 | 144 | 88 | 45 | 43 | 50 | 119 |
| Wet days | 24 | 24 | 26 | 27 | 28 | 24 | 21 | 15 | 9 | 8 | 10 | 18 |
| Sun h/day | 5.3 | 4.7 | 4.9 | 5.3 | 6.2 | 7.1 | 7.6 | 7.9 | 8.4 | 7.9 | 7.1 | 5.8 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (334 m) at −6.5 °C per 1,000 m. Not a forecast.
Recent years
Wet years and dry years
Rain of each month as a share of the 1991–2020 average. A wet season above 100 % usually means a fuller waterfall.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 48% | 47% | 108% | 148% | 84% | 118% | 112% | 122% | 103% | 65% | 223% | 95% |
| 2021 | 104% | 81% | 50% | 66% | 72% | 70% | 176% | 100% | 178% | 271% | 272% | 136% |
| 2022 | 146% | 89% | 171% | 78% | 136% | 68% | 129% | 60% | 108% | 119% | 165% | 156% |
| 2023 | 117% | 132% | 74% | 40% | 69% | 95% | 51% | 46% | 19% | 57% | 33% | 83% |
| 2024 | 98% | 51% | 84% | 68% | 114% | 132% | 64% | 23% | 10% | 66% | 54% | 86% |
| 2025 | 74% | 97% | 100% | 44% | 40% | 100% | 90% | 65% | 79% | 41% | 28% | 41% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
About these numbers
| Names, height, width, river | Wikidata (Q9671787) · CC0 |
|---|---|
| Climate | NASA POWER, 1991–2020 |
| Relief, river profile, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Paths, viewpoints, parking | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves or dark skies?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

