Annual average weather for Stone Town, Tanzania

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Annual Average Weather for Stone Town, Tanzania

The annual average maximum daily temperature is 30.4°C (86.7°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 27.4°C (81.4°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 8.8 days of rain per month and 9.0 hours of sun per day.

When is the best time to visit Stone Town?

The best months to visit Stone Town are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between December and May when the sea temperature is above the average 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

Can you sunbathe in Stone Town year round?

Yes, you can sunbathe in Stone Town all year round.

The coolest month in Stone Town is August when the average maximum temperature is 29°C (84°F), average temperature is 25°C (77°F) and average minimum temperature is 22°C (71°F).

More info about the annual temperatures and sunshine.

Can you swim in Stone Town year round?

Yes, you can swim in Stone Town all year round.

The warmest sea water temperatures in Stone Town are found in March when they peak at 30°C (86°F) and lowest in August when they dip to 25°C (77°F).

The sea temperature is above average for swimming between December and May when the sea temperature is above 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures

When is the hottest month in Stone Town?

The hottest month in Stone Town is January when the average maximum temperature is very hot and perfect for sunbathing on clear days 32°C (90°F), average temperature is 29°C (83°F) and average minimum temperature is 25°C (77°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Stone Town?

The coolest month in Stone Town is August when the average maximum temperature is 29°C (84°F), average temperature is 25°C (77°F) and average minimum temperature is 22°C (71°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Stone Town?

The sunniest days in Stone Town are in October which has the most hours of sunshine per day. In October the sunshine percentage is 85% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.3hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Stone Town?

February has the least sunshine. In February the sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.8 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Stone Town?

The driest month in Stone Town is June with 0.3cm (0.1inches) of rain and July has the fewest days of rain with 3.5 days with some rain, a very dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Stone Town?

The wettest month in Stone Town is November with 9.6cm (3.8inches) of rain and April has the most days of rain with 15.4 days with some rain, a wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Stone Town?

The coldest sea water temperatures in Stone Town are found in August when they dip to 25°C (77°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the sea the warmest in Stone Town?

The warmest sea water temperatures in Stone Town are found in March when they peak at 30°C (86°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in Stone Town?

The most humid month in Stone Town is March with a dew point (an indicator of humidity) of 25°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in Stone Town?

The least humid month in Stone Town is August with a dew point of 22°C (71°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

More info about the annual humidity.

When is the windiest month in Stone Town?

The most windy month in Stone Town is August when the average maximum windspeed is 33KM/H (20MPH) and the average wind speed is 12KM/H (7MPH).

More info about the annual wind conditions.

Annual Temperature for Stone Town

The hottest month in Stone Town is January when the average maximum temperature is 32°C (90°F), average temperature is 29°C (83°F) and average minimum temperature is 25°C (77°F).

The coolest month in Stone Town is August when the average maximum temperature is 29°C (29°F), average temperature is 25°C (77°F) and average minimum temperature is 22°C (71°F).

Annual Sunshine for Stone Town

The longest days in Stone Town are in December, with an average of 12.5 hours of daylight per day. May has the shortest days with an average of 11.8 hours of daylight per day.

The sunniest days in Stone Town are in October which has the most hours of sunshine per day. The sunshine percentage is 85% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.3hrs making the days very long and bright.

February has the least sunshine. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.8 hours of sunshine per day.

The ultraviolet index is the highest in February when it reaches 15.6 and lowest in June when it reaches 10.1.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Stone Town

The warmest sea water temperatures in Stone Town are found in March when they peak at 30°C (86°F) and lowest in August when they dip to 25°C (77°F).

The sea is best for swimming between December and May when the temperature is above 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for Stone Town

The wettest month in Stone Town is November with 9.6cm (3.8inches) of rain and April has the most days of rain with 15.4 days with some rain, a wet time to visit the beach.

The driest month in Stone Town is June with 0.3cm (0.1inches) of rain and July has the fewest days of rain with 3.5 days with some rain, a very dry time to visit the beach.

Annual Humidity for Stone Town

The most humid month in Stone Town is March with a dew point (an indicator of humidity) of 25°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in Stone Town is August with a dew point of 22°C (71°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

Annual Wind Speed for Stone Town

The most windy month in Stone Town is August when the average maximum windspeed is 33KM/H (20MPH) and the average wind speed is 12KM/H (7MPH).

The least windy month in Stone Town is November when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 7KM/H (4MPH).

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