May weather forecastStone Town, Tanzania

Weather in May

The month of May ushers in a period of cooler nights in Stone Town, with a transition to increasingly comfortable temperatures, hence a break from the constant heat. This town experiences a significant drop in rain levels from 296mm (11.65") in April to 217mm (8.54"). As we move away from the heavy rainfall period, drier days become more frequent, and wind speeds increase. Relative to the preceding months, May marks the initiation of the dry season, preceding the driest period in June and July. With a gradual decrease in cloud cover, conditions trend towards typical dry-season weather patterns, rendering this month as the commencement of a drier period.

Temperature

With the onset of May, a modest change to a still moderately hot 28.2°C (82.8°F) from April's 29.1°C (84.4°F) is noted in high-temperature. Stone Town's May nights witness minimal differential from the daytime temperatures, with averages of 25.3°C (77.5°F).

Heat index

May's average heat index is evaluated at a hot 32°C (89.6°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The months with the highest humidity in Stone Town are January, April, May and November, with an average relative humidity of 78%.

Rainfall

In May, the rain falls for 25.6 days. Throughout May, 217mm (8.54") of precipitation is accumulated. In Stone Town, during the entire year, the rain falls for 255.1 days and collects up to 1172mm (46.14") of precipitation.

Daylight

The average length of the day in May is 11h and 50min.
On the first day of the month, sunrise is at 06:23 and sunset at 18:17. On the last day of May, sunrise is at 06:27 and sunset at 18:14 EAT.

Sunshine

The month with the least sunshine is May, with an average of 8.1h of sunshine.

UV index

The months with the lowest UV index are April through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 6 in May leads to these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.