Madagascar 
In numbers.
Jan–Apr
Best months
1,128m
Elevation
The water at Humbert Falls, month by month
It roars from January to April.
The fullest months: from January to April.
- 81%Jan
- 82%Feb
- 100%Mar
- 81%Apr
- 60%May
- 48%Jun
- 42%Jul
- 36%Aug
- 28%Sep
- 25%Oct
- 30%Nov
- 52%Dec
Best months to go, with plenty of water and pleasant days: from January to April.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Getting there.
- Sambava Airport (SVB)nearest airport with scheduled flights · 48 km in a straight lineCar hire at TNR airport (Antananarivo)Discover Cars · Affiliate link↗
- From January to Aprilbest 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
- 3campsitesCamp Mantella, Camp Marojejia
- —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 | 22 | 22 | 22 | 21 | 20 | 18 | 18 | 18 | 19 | 20 | 22 | 23 |
| Night °C | 17 | 17 | 17 | 16 | 15 | 13 | 12 | 12 | 12 | 13 | 15 | 16 |
| Rain & snow (mm) | 306 | 249 | 341 | 218 | 165 | 156 | 138 | 119 | 99 | 103 | 133 | 223 |
| Wet days | 28 | 25 | 26 | 24 | 21 | 22 | 23 | 22 | 18 | 17 | 18 | 24 |
| Sun h/day | — | — | — | — | — | — | — | — | — | — | — | — |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (1,128 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 | 107% | 110% | 147% | 152% | 122% | 215% | 124% | 68% | 108% | 149% | 122% | 71% |
| 2021 | 171% | 153% | 82% | 286% | 27% | 52% | 107% | 58% | 86% | 171% | 53% | 143% |
| 2022 | 146% | 91% | 110% | 141% | 86% | 109% | 191% | 66% | 233% | 66% | 128% | 120% |
| 2023 | 182% | 81% | 90% | 120% | 160% | 69% | 180% | 133% | 117% | 59% | 117% | 105% |
| 2024 | 197% | 146% | 206% | 194% | 226% | 35% | 13% | 42% | 62% | 12% | 89% | 48% |
| 2025 | 36% | 32% | 92% | 73% | 58% | 47% | 63% | 32% | 66% | 106% | 161% | 205% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
Humbert Falls
Madagascar
- —Height
- —Average flow
- Jan–AprBest months
About these numbers
| Names, height, width, river | Wikidata (Q15226777) · 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, dark skies, viewpoints, birdwatching or forests?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.
beaches
Find your beach: sea temperature, sun and swimming month by month.Visit 
lakes
Every lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit 
mountains
Every summit in 3D: summit weather, the 0 °C line, huts and trails.Visit 
waterfalls
Every waterfall: height, flow month by month and when it roars.You are here
islands
Every island from the sea up: size, sea temperature, ferries and 3D.Visit 
rivers
Every river from source to sea: the journey, the flow and the basin in numbers.Visit 
canyons
Every canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit 
caves
Every cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Coming soonVisit 
dark skies
Where the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit 
viewpoints
Every viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit 
birdwatching
Every bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit 
forests
Every forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit