Lake Eyasi

Lake Shallow Rift Valley lake near Hadza hunter-gatherer communities

A shallow Rift Valley lake in northern Tanzania near Ngorongoro, bordered by Hadza and Datoga communities. Visitors combine cultural tours, birdwatching and visits to nearby highland safari circuits.

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Lake Eyasi is a shallow rift-valley lake in northern Tanzania, situated in the Great Rift Valley south of Lake Manyara. It lies in a semi-arid basin and supports seasonal waterbird populations and wetlands when inflows are sufficient.

The area around the lake is traditionally inhabited by hunter-gatherer and pastoralist groups, and the shoreline communities maintain distinct cultural practices. The lake and its environs are used for seasonal grazing, small-scale agriculture and traditional livelihoods rather than intensive tourism.

Lake Eyasi occupies a low-lying basin in the Rift Valley floor and is located west of the Ngorongoro Highlands and south of Lake Manyara. The lake is accessed via roads from nearby towns and is part of the broader northern Tanzanian landscape.

  • Local communities: The lakeshore is inhabited by Hadza hunter-gatherers and Datoga pastoralists; cultural visits should be arranged through local guides and community contacts.
Lake Eyasi
Lake Eyasi, Eyasi Valley, Arusha Region (near Karatu), Tanzania
-3.6667, 35.0833
Open year-round
Free (natural landmark)

Tips for Visiting Lake Eyasi #

  • Plan visits for early morning for the best birdlife and cooler temperatures, and arrange any cultural visits (for example to Hadza or Datoga communities) through a reputable local guide in advance to ensure respectful, organised meetings.
  • Expect rough roads in the wet season-confirm road and vehicle requirements with your lodge or tour operator and book a 4x4 if recommended, since access can become difficult after rain.
  • Many visitors concentrate on the lakeshore; ask your guide about nearby villages and guided cultural experiences, which are often the most rewarding and are easily missed if you stick only to the roadside viewpoints.

Best Time to Visit Lake Eyasi #

The best time to visit Lake Eyasi is in the dry months (especially June-October) when travel and wildlife/community visits are easiest.

Dry season (best for visiting)
Jun-Oct · 15-28 °C
The dry months offer easier travel conditions, clearer skies and better opportunities for wildlife viewing and visiting local communities.
Short dry/pleasant months
Jan-Feb · 18-28 °C
A short drier, relatively pleasant period with warm days and cooler nights, good for day trips and cultural visits.
Long rains (wetter, harder access)
Mar-May · 16-26 °C
Heavy rains can make roads and tracks muddy and more difficult to traverse; the landscape is greener but travel can be challenging.

Weather & Climate near Lake Eyasi #

Climate

Lake Eyasi's climate is classified as Hot Semi-Arid - Hot Semi-Arid climate with consistently warm temperatures year-round. Temperatures range from 14°C to 30°C. Moderate rainfall (591 mm/year) with a pronounced dry season.

Best Time to Visit
SeptemberJulyAugust
Temperature & Rainfall
Temperature Range
34°
Warmest Month
Coldest Month
Monthly Conditions

January

January is mild with highs of 30°C and lows of 18°C. Moderate rainfall (79 mm) and partly cloudy skies.

81 Excellent

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 30°
70%
Humidity
Humid

Weather

79 mm
Rainfall
2.5 m/s
Wind
Calm
2.6
UV Index
Extreme
12.2h daylight

February

February is mild with highs of 30°C and lows of 18°C. Regular rainfall (82 mm) and partly cloudy skies.

81 Excellent

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 30°
69%
Humidity
Humid

Weather

82 mm
Rainfall
2.5 m/s
Wind
Calm
2.8
UV Index
Extreme
12.1h daylight

March

March is the warmest month with highs of 30°C and lows of 18°C. The wettest month with heavy rain (124 mm) and partly cloudy skies.

75 Very Good

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 30°
72%
Humidity
Very Humid

Weather

124 mm
Rainfall
2.6 m/s
Wind
Calm
2.7
UV Index
Extreme
12.0h daylight

April

April is mild with highs of 29°C and lows of 19°C. Regular rainfall (94 mm) and partly cloudy skies.

78 Very Good

Comfort

24°
Feels Like Mild
24°C
Temperature
19° 29°
76%
Humidity
Very Humid

Weather

94 mm
Rainfall
3.0 m/s
Wind
Light Breeze
2.4
UV Index
Extreme
11.9h daylight

May

May is mild with highs of 26°C and lows of 17°C. Light rainfall and partly cloudy skies.

85 Excellent

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 26°
73%
Humidity
Very Humid

Weather

28 mm
Rainfall
2.2 m/s
Wind
Calm
2.1
UV Index
Extreme
11.8h daylight

June

June is mild with highs of 25°C and lows of 15°C. Almost no rain and partly cloudy skies.

90 Ideal

Comfort

20°
Feels Like Mild
20°C
Temperature
15° 25°
66%
Humidity
Humid

Weather

2 mm
Rainfall
3.5 m/s
Wind
Light Breeze
1.9
UV Index
Very High
11.8h daylight

July

July is mild with highs of 24°C and lows of 14°C. Almost no rain.

92 Ideal

Comfort

19°
Feels Like Mild
19°C
Temperature
14° 24°
59%
Humidity
Humid

Weather

1 mm
Rainfall
4.1 m/s
Wind
Light Breeze
2.0
UV Index
Very High
11.8h daylight

August

August is mild with highs of 25°C and lows of 15°C. The driest month with just 0 mm.

92 Ideal

Comfort

20°
Feels Like Mild
20°C
Temperature
15° 25°
56%
Humidity
Humid

Weather

0 mm
Rainfall
3.7 m/s
Wind
Light Breeze
2.2
UV Index
Extreme
11.9h daylight

September

September is mild with highs of 27°C and lows of 17°C. Almost no rain.

93 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 27°
52%
Humidity
Humid

Weather

4 mm
Rainfall
2.6 m/s
Wind
Calm
2.5
UV Index
Extreme
12.0h daylight

October

October is mild with highs of 29°C and lows of 17°C. Light rainfall and partly cloudy skies.

92 Ideal

Comfort

23°
Feels Like Mild
23°C
Temperature
17° 29°
54%
Humidity
Humid

Weather

11 mm
Rainfall
3.2 m/s
Wind
Light Breeze
2.7
UV Index
Extreme
12.1h daylight

November

November is mild with highs of 30°C and lows of 18°C. Moderate rainfall (57 mm) and partly cloudy skies.

81 Excellent

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 30°
64%
Humidity
Humid

Weather

57 mm
Rainfall
2.6 m/s
Wind
Calm
2.5
UV Index
Extreme
12.2h daylight

December

December is mild with highs of 30°C and lows of 18°C. Significant rainfall (109 mm) and partly cloudy skies.

75 Very Good

Comfort

24°
Feels Like Mild
24°C
Temperature
18° 30°
69%
Humidity
Humid

Weather

109 mm
Rainfall
2.2 m/s
Wind
Calm
2.5
UV Index
Extreme
12.2h daylight

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