August is a popular month to ask about Jambiani Beach because conditions can shift week to week along this coast. Expect the water near 20.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Indian Ocean.
Jambiani Beach sea temperature in August — averages 20.0°C
The sea at Jambiani Beach in Tanzania averages 20.0°C during August, based on long-run climatology for the Indian Ocean. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · August
20.0°C
warm · Good
Live water now
…
Recommended wetsuit
Shorty 2mm
At 20.0°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene.
Monthly comparison
Yes — comfortable for most swimmers · Jambiani Beach
Can you swim at Jambiani Beach in June? — 21.0°C water21.0°CCan you swim at Jambiani Beach in July? — 20.0°C water20.0°CCan you swim at Jambiani Beach in August? — 20.0°C water20.0°CCan you swim at Jambiani Beach in September? — 21.0°C water21.0°CCan you swim at Jambiani Beach in October? — 22.0°C water22.0°CCan you swim at Jambiani Beach in November? — 23.0°C water23.0°C
Frequently asked questions
What is the average sea temperature at Jambiani Beach in August?
Jambiani Beach averages 20.0°C in August, based on long-run climatology for the Indian Ocean.
Is the sea warm enough to swim at Jambiani Beach in August?
Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Jambiani Beach in August?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.