May weather forecast
Sylhet, Bangladesh

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Weather in May

May in Sylhet brings the peak of pre-monsoon conditions and the arrival of the southwest monsoon. Unlike the preceding months, the maximum temperature begins to stabilize, and the overall weather becomes more humid. The month is noteworthy for its significant increase in rainfall with volumes peaking at 289mm (11.38") over 26.8 days. Overcast skies become a common sight, dropping the sunlight hours further despite the longer days. The change in weather between April and May constitutes the transition from the warm pre-monsoon to the peak monsoon season, characterized by daily showers and high humidity levels.

Temperature

Sylhet starts May with an average high-temperature of a still hot 33.3°C (91.9°F), a minor shift from April's 34.4°C (93.9°F). Sylhet, during May, witnesses an average low-temperature of 24.5°C (76.1°F).

Heat index

For most parts of May, the heat index is estimated at a blazing hot 49°C (120.2°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Sylhet, during May, the rain falls for 26.8 days and regularly aggregates up to 289mm (11.38") of precipitation. In Sylhet, during the entire year, the rain falls for 208.1 days and collects up to 1868mm (73.54") of precipitation.

Daylight

In May, the average length of the day in Sylhet is 13h and 21min.
On the first day of May in Sylhet, sunrise is at 5:16 am and sunset at 6:22 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 6:37 pm +06.

Sunshine

In May, the average sunshine is 9.7h.

UV index

In Sylhet, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

How hot does it get in Sylhet in May?

The average high-temperature and low-temperature in Sylhet during May are 33.3°C (91.9°F) and 24.5°C (76.1°F) respectively. In May, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 49°C (120.2°F).

What is the average humidity in May in Sylhet?

In Sylhet, the average relative humidity in May is 79%.

How much does it rain in Sylhet in May?

In Sylhet, during May, the rain falls for 26.8 days and regularly aggregates up to 289mm (11.38") of precipitation.

How many hours of daylight does Sylhet have in May?

In May, the average day length in Sylhet is 13h and 21min.

When are sunrise and sunset in May in Sylhet?

On the first day of May, sunrise is at 5:16 am and sunset at 6:22 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 6:37 pm +06.

How long on average sun shines in May in Sylhet?

In Sylhet, the average sunshine duration in May is 9.7h.

What is the UV index reading in May in Sylhet?

In Sylhet, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Sylhet, Bangladesh

Average temperature in May - Sylhet, Bangladesh
  • Average high temperature in May: 33.3°C

The warmest month (with the highest average high temperature) is April (34.4°C).
The month with the lowest average high temperature is December (25.5°C).

  • Average low temperature in May: 24.5°C

The month with the highest average low temperature is June (25.3°C).
The coldest month (with the lowest average low temperature) is January (12°C).

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Average pressure in May
Sylhet, Bangladesh

Average pressure in May - Sylhet, Bangladesh
  • Average pressure in May: 1005.9mbar

The month with the highest atmospheric pressure is January (1014.9mbar).
The month with the lowest atmospheric pressure is July (1002mbar).

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Average wind speed in May
Sylhet, Bangladesh

Average wind speed in May - Sylhet, Bangladesh
  • Average wind speed in May: 6.3km/h

The windiest month (with the highest average wind speed) is July (7.7km/h).
The calmest months (with the lowest average wind speed) are November and December (4.3km/h).

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Average humidity in May
Sylhet, Bangladesh

Average humidity in May - Sylhet, Bangladesh
  • Average humidity in May: 79%

The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is March (55%).

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Average rainfall in May
Sylhet, Bangladesh

Average rainfall in May - Sylhet, Bangladesh
  • Average rainfall in May: 289mm

The wettest month (with the highest rainfall) is June (353mm).
The driest month (with the least rainfall) is January (4mm).

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Average rainfall days in May
Sylhet, Bangladesh

Average rainfall days in May - Sylhet, Bangladesh
  • Average rainfall days in May: 26.8 days

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (2.4 days).

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Average daylight in May /
Average sunshine in May
Sylhet, Bangladesh

Average daylight in May / Average sunshine in May - Sylhet, Bangladesh
  • Average daylight in May: 13h and 2min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is April (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).

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Average sunshine days in May
Sylhet, Bangladesh

Average sunshine days in May - Sylhet, Bangladesh
  • Average sunshine days in May: 2.1 days

The months with the most sunshine days are January and December (27.6 days).
The month with the least sunshine days is June (0.4 days).

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Average UV index in May
Sylhet, Bangladesh

Average UV index in May - Sylhet, Bangladesh
  • Average UV index in May: 6

The months with the highest UV index are April and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).

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Average cloud cover in May
Sylhet, Bangladesh

Average cloud cover in May - Sylhet, Bangladesh
  • Average cloud cover in May: 38

The month with the most cloud cover is July (Cloud cover 62).
The month with the least cloud cover is January (Cloud cover 8).

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Average visibility in May
Sylhet, Bangladesh

Average visibility in May - Sylhet, Bangladesh
  • Average visibility in May: 8km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July, August and September (7km).

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Sylhet, Bangladesh

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