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Water Levels in Victoria Falls - Seasons of the Zambezi

Discover the seasonal water levels at Victoria Falls

Alison

Alison

Published on

30 Aug 2018

Read time

12 minutes

Victoria Falls

An account from Chundukwa River Lodge

When you live as we do, at Chundukwa River Lodge on the Zambezi River, just 35km above Victoria Falls, much of life revolves around the river, the Falls, and their variations of ‘high water and low water’. As with most of Africa, seasons at Victoria Falls are categorised by characteristics, the most common definitives being the high and low water levels, and wet and dry seasons.

I’m sure most local residents are in tune with these changing climatic periods for various reasons – planting, harvesting and storing crops, irrigation, hydro-electric power supplies, fishing, roof maintenance, and in some cases moving homes and livestock to higher grounds – as the Lozi people in Barotseland do, before the annual floods. For us at Chundukwa, we observe these changes in the varying bird-and-wildlife seen at the water’s edge, the changing channels on the river, the water level under our stilted river chalets, and the types of adventures that our guests can enjoy. Then of course there are the Falls – The Smoke that Thunders, more at certain times than others! And the Batoka Gorge that the Zambezi plummets into, below Victoria Falls. Both of these are hugely affected by the amount of water flowing over the Falls.

Rainbows Over Victoria Falls
The Smoke that thunders

Historically, the rainy season in this greater region and in much of the Zambezi’s catchment area is from November to March/early April, and the dry season from April/May until November. However these periods of wet and dry do not fall exactly in line with ‘high and low’ river levels.

Water Levels at Victoria Falls – in a nutshell

HIGH WATER – February, March, April, May and June

Characteristics: very full Falls with a large cloud above them; a guaranteed soaking when viewing the Falls; a fast flowing wide river to look out on; a great time for canoeing, flights over the Falls, and experiencing the abundance of the Zambezi; plus glimpse a lunar rainbow if the timing’s right (during a full moon in good weather).

February Skies Victoria Falls
February skies during High Water season
A Very Full Boiling Pot As Seen From The Bridge Victoria Falls
A very full Boiling Pot during High Water
Enjoying The Spray At Victoria Falls
Soaking is guaranteed at the Falls during High Water

MEDIUM WATER - July

The Zambezi is noticeably starting to drop as we enter into ‘low water’ season.

LOW WATER – August, September, October, November

Characteristics: drier Falls, allowing for access to the breath-taking spots under and on top of the Falls; interesting channels and sandbanks in the upper river – fantastic for bird and wildlife spotting; and the best time season for white-water rafting.

White Water Rafting At Victoria Falls
This is a great time for rafting

MEDIUM WATER - December and January

This is when the river and Falls start filling up, between the end of ‘low water’ and beginning of the ‘high water’ season

Victoria Falls On The Rise In January
Water levels in the Falls starts rising in January

Annual Water Levels in Victoria Falls

Water Levels In Victoria Falls Credit Namibia Tours
Water Levels in Victoria Falls through the year (Credit: Namibia Tours)

Wet and Dry Seasons at Victoria Falls

WET SEASON – December, January, February, March, and sometimes early April

Characteristics: Summer time, with warm temperatures, moody skies and beautiful sunsets, a lush green landscape, showers and thunderstorms. A beautiful time to be in the area.

Colourful Skies During The Rains Victoria Falls
Colourful moody skies during the wet season

DRY SEASON – April/ May, June, July, August, September, October and November

Characteristics: Winter through to Summer. Clear skies, no rain, an increasingly dryer landscape – a great time for safaris. Cool temperatures and misty mornings at the onset of the dry season, with the earth warming up from the middle of August, and increasingly warm until the rains arrive towards the end of November. Smoky sunsets from the dust in the air.

Elephants At Chundukwa During Dry Season Victoria Falls
Elephants at Chundukwa during dry season

Water Levels in Victoria Falls - the Detail

What does Low Water really mean? (August - November)

Here at Chundukwa above the Falls, rocks are jutting out of the river and the river flow is moderate. The lower water levels make navigation on the upper river slightly more tricky, but they also allow for beautiful sandy beaches to emerge – perfect for crocodiles to sun themselves on – as well as some rocky outcrops that make for top coffee-on-the-rocks spots with our guests!

Rock pratincols, African skimmers, knob-billed ducks to name a few also take up residence on the small emerging islands making it a birdwatcher’s paradise. Hippos move into the shallows and their honking serenades can be heard up and down the river. At the same time, we’re well into the dry season, so there’s an abundance of wildlife along the water’s edge and coming down to the river to drink.

Dry Victoria Falls From The Bridge In October
Rock becomes visible during October
Rock Islands At Low Water Victoria Falls
Rock islands are seen at Low Water
Crossing The Minus Rapids Victoria Falls
Low Water allows for closer exploration

Whilst the Falls still have an impressive flow, patches of wall behind the falls are now visible. You’ll still get a bit wet from the spray of the Falls – but definitely not a soaking! Towards the end of the low water period, there’ll only be a couple of channels where the river rushes over the falls, with much of the rock wall visible, and it will likely stay this way until mid-December, when the river gradually starts to rise again.

What are the water levels like in between High and Low water?

The low water season also overlaps with part of the dry season and safari season. The feeling of a scorched land that we experience in October and early November, is starkly contrasted with the exquisite cool blue waters of the Zambezi River. And whilst a minimal amount of water is flowing over the Falls, the river and the region remains enticing to adventurers and anyone who is wanting to feel and experience Africa’s aliveness at this time of the year.

Game Viewing On Zambezi
This is a great time of year for safaris

What does High Water really mean? (February - June)

In our area on the Upper Zambezi and extending downriver to Victoria Falls, the water levels are influenced by rainfall in the region of the tributaries and the areas it passes through before reaching here. So whilst ‘the rains’ can start as early as November, here we only notice the effects of the river levels rising towards the end of December, early January.

By December we’ve usually have had our first rains, and whilst the river level is still low, the surrounds start turning green and looking fresher. By January you might see foam floating down the river as its tributaries start flowing again, and the clouds of spray once more hover above the falls.

The Rains Are Imminent As Seen From The Chundukwa Chalets Victoria Falls
The rains arriving
The Surrounds Washed Clean And Green After The Rains Victoria Falls
Everything starts turning green again

Usually by February the Falls are sufficiently full again to guarantee a soaking from their spray. There’s a general feeling of abundance as the surrounding landscape is a bright green, the river fills up, and the night skies drip with stars as the air is clear after the rains. Whilst the animals have plenty of water so are no longer drawn to the river, the colour-intense sunsets and cooler temperatures offset by the occasional afternoon thunderstorm make this a very comfortable time to visit the region.

Victoria Falls In January
By February the Falls are filling up again

The Zambezi continues to fill up as the rains continue, so that usually by the end of March the Falls can be seen in all their fullness, and on the rise until the end of April/early May. During this time there can be so much water falling over Victoria Falls that you really experience the Falls rather than view them – as the amount of spray and rain from the Falls drenches you and in certain viewing areas doesn’t allow you to see too far ahead! But this is a magical time of year too, as the skies start clearing up, temperatures are favourable, the surrounds are lush, and the river rushes past you – carrying lots of debris and even reed islands with it. Our stilted chalets are well over the river at this time of year.

By April, the rain here generally clears up, and after the river’s peak in early May, the Zambezi gradually starts dropping. The Falls are still abundant in June and early July whilst the river subsides, and by August certain channels and patches of flow start drying up, with much of the bare rock face of the Falls visible from September until the end of November, before the cycle starts again.

Devils Pool
As water levels drop and rock becomes visible it is possible to swim in the famous Devil's Pool

Of course the water levels don't always follow the rules

While this general pattern is observed annually, there are fluctuations year on year, all depending on how early or late the rains arrive, how long they continue, and how much rain there is. This year, for example, the water levels in this region rose quite quickly, and to a higher level than the last few years, and as a result are taking longer to subside to what we’d call ‘low water’. This will in turn have an effect on the patterns and levels for the remainder of this year and next – as it will be unlikely that levels are able to drop to as low as last year, before the river is on the rise again, presuming there is enough rain.

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