May weather forecast
Dar es Salaam, Tanzania

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Weather in May

As the calendar turns to May, the city starts to emerge from the wet season with a noticeable reduction in rainfall. A noticeable shift in weather patterns begins to occur. Sea temperatures start to decline, bringing relief to the persistent heat experienced in the earlier months. Meanwhile, the city continues to bask in an average of 8.1 hours of bright sunshine, providing ample opportunities for outdoor pursuits.

Temperature

May in Dar es Salaam registers an average high-temperature of a still warm 28.4°C (83.1°F), slightly varied from April's 29.6°C (85.3°F). The month of May records an average low-temperature of 23.3°C (73.9°F).

Heat index

During May, the heat index is evaluated at a hot 33°C (91.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Heat index determinations are made taking into account the shade and light air movements. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In Dar es Salaam, the average relative humidity in May is 80%.

Rainfall

In Dar es Salaam, in May, during 24.5 rainfall days, 102mm (4.02") of precipitation is typically accumulated. In Dar es Salaam, Tanzania, during the entire year, the rain falls for 255.3 days and collects up to 734mm (28.9") of precipitation.

Sea temperature

In May, the average sea temperature is 28.3°C (82.9°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In May, the average length of the day is 11h and 49min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:16. On the last day of May, in Dar es Salaam, sunrise is at 06:28 and sunset at 18:13 EAT.

Sunshine

In May, the average sunshine in Dar es Salaam is 8.1h.

UV index

April through November, with an average maximum UV index of 6, are months with the lowest UV index in Dar es Salaam. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during May leads to these instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Caution! The Sun's UV intensity grows with reflections off sand and water.
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Frequently asked questions

How hot is it in Dar es Salaam in May?

The average high-temperature, in May, in Dar es Salaam, is 28.4°C (83.1°F), while the average low-temperature is 23.3°C (73.9°F). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is evaluated at 33°C (91.4°F).

What is the average humidity in May in Dar es Salaam?

In Dar es Salaam, the average relative humidity in May is 80%.

How much does it rain in Dar es Salaam in May?

In May, the rain falls for 24.5 days. Throughout May, 102mm (4.02") of precipitation is accumulated.

How warm is the water in May in Dar es Salaam?

In May, the average sea temperature is 28.3°C (82.9°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Dar es Salaam have in May?

In May, the average day length in Dar es Salaam, Tanzania, is 11h and 49min.

When is the sunrise / sunset in May in Dar es Salaam?

On the first day of May in Dar es Salaam, sunrise is at 06:24 and sunset at 18:16. On the last day of the month, sunrise is at 06:28 and sunset at 18:13 EAT.

How many hours of sunshine does Dar es Salaam have in May?

The average sunshine duration in May is 8.1h.

When is the lowest UV index in Dar es Salaam?

April through November, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in May in Dar es Salaam?

In Dar es Salaam, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in May
Dar es Salaam, Tanzania

Average temperature in May - Dar es Salaam, Tanzania
  • Average high temperature in May: 28.4°C

The warmest months (with the highest average high temperature) are February and March (30.9°C).
The month with the lowest average high temperature is July (27.6°C).

  • Average low temperature in May: 23.3°C

The months with the highest average low temperature are January and February (25.3°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).

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Average pressure in May
Dar es Salaam, Tanzania

Average pressure in May - Dar es Salaam, Tanzania
  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is February (1010mbar).

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Average wind speed in May
Dar es Salaam, Tanzania

Average wind speed in May - Dar es Salaam, Tanzania
  • Average wind speed in May: 14.6km/h

The windiest month (with the highest average wind speed) is July (15.6km/h).
The calmest month (with the lowest average wind speed) is March (9.5km/h).

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Average humidity in May
Dar es Salaam, Tanzania

Average humidity in May - Dar es Salaam, Tanzania
  • Average humidity in May: 80%

The month with the highest relative humidity is April (81%).
The months with the lowest relative humidity are July, August and September (75%).

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Average rainfall in May
Dar es Salaam, Tanzania

Average rainfall in May - Dar es Salaam, Tanzania
  • Average rainfall in May: 102mm

The wettest month (with the highest rainfall) is April (154mm).
The driest month (with the least rainfall) is September (21mm).

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Average rainfall days in May
Dar es Salaam, Tanzania

Average rainfall days in May - Dar es Salaam, Tanzania
  • Average rainfall days in May: 24.5 days

The month with the highest number of rainy days is April (26.4 days).
The month with the least rainy days is June (17.5 days).

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Average sea temperature in May
Dar es Salaam, Tanzania

Average sea temperature in May - Dar es Salaam, Tanzania
  • Average sea temperature in May: 28.3°C

The best months for swimming (with the highest average sea temperature) are March and April (29.2°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).

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Average daylight in May /
Average sunshine in May
Dar es Salaam, Tanzania

Average daylight in May / Average sunshine in May - Dar es Salaam, Tanzania
  • Average daylight in May: 11h and 5min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is April (Average sunshine: 8h and 0min).

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Average sunshine days in May
Dar es Salaam, Tanzania

Average sunshine days in May - Dar es Salaam, Tanzania
  • Average sunshine days in May: 4.5 days

The month with the most sunshine days is June (7.8 days).
The month with the least sunshine days is April (2.6 days).

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Average UV index in May
Dar es Salaam, Tanzania

Average UV index in May - Dar es Salaam, Tanzania
  • Average UV index in May: 6

The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).

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Average cloud cover in May
Dar es Salaam, Tanzania

Average cloud cover in May - Dar es Salaam, Tanzania
  • Average cloud cover in May: 37

The month with the most cloud cover is April (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in May
Dar es Salaam, Tanzania

Average visibility in May - Dar es Salaam, Tanzania
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Dar es Salaam, Tanzania

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