June weather forecast
Sylhet, Bangladesh

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Weather in June

June marks the full arrival of the monsoon season in Sylhet, Bangladesh. The month is characterized by continual rain showers, heavy cloud cover, and consistent high temperatures, indicating the height of the monsoon. This month reaches the height of humidity at 86%, and it's observed that maximum rainfall of 353mm (13.9") occurs in June. Residents can expect frequent downpours due to the monsoon's peak, with the possibility of flooding in some low-lying areas. As one of the wettest months of the year, June serves as a stark contrast to the preceding dry months, marking the heart of the rainy season.

Temperature

Sylhet, Bangladesh, in June witnesses an average high-temperature of a still tropical 32.2°C (90°F), indicating a slight variation from May's 33.3°C (91.9°F). In Sylhet, an average nighttime temperature of 25.3°C (77.5°F) is expected during June.

Heat index

The heat index value during June is estimated at a burning hot 48°C (118.4°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In June, the average relative humidity is 86%.

Rainfall

June is the month with the most rainfall. Rain falls for 29.3 days and accumulates 353mm (13.9") of precipitation.

Daylight

With an average of 13h and 42min of daylight, June has the longest days of the year.
On the first day of June in Sylhet, sunrise is at 5:02 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 6:46 pm +06.

Sunshine

The average sunshine in June in Sylhet is 8.2h.

UV index

In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 6 in June leads to these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

How hot is it in Sylhet in June?

An average high-temperature, in June, in Sylhet, is 32.2°C (90°F) and the average low-temperature is 25.3°C (77.5°F). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 48°C (118.4°F).

What is the average humidity in June in Sylhet?

In Sylhet, Bangladesh, the average relative humidity in June is 86%.

What is the rainiest month in Sylhet?

The month with the most rainfall is June, when the rain falls for 29.3 days and typically aggregates up to 353mm (13.9") of precipitation.

How much does it rain in Sylhet in June?

In June, in Sylhet, the rain falls for 29.3 days. Throughout June, 353mm (13.9") of precipitation is accumulated.

When are the longest days in Sylhet?

The month with the longest days is June, with an average of 13h and 42min of daylight.

How many hours of daylight does Sylhet have in June?

The average day length in June is 13h and 40min.

What time are sunrise and sunset in June in Sylhet?

On the first day of June in Sylhet, Bangladesh, sunrise is at 5:02 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 5:06 am and sunset at 6:46 pm +06.

How many hours of sunshine does Sylhet have in June?

In Sylhet, the average sunshine duration in June is 8.2h.

What is the UV index intensity in June in Sylhet?

The average daily maximum UV index in June in Sylhet, Bangladesh, is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Sylhet, Bangladesh

Average temperature in June - Sylhet, Bangladesh
  • Average high temperature in June: 32.2°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 June: 25.3°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 June
Sylhet, Bangladesh

Average pressure in June - Sylhet, Bangladesh
  • Average pressure in June: 1002.3mbar

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 June
Sylhet, Bangladesh

Average wind speed in June - Sylhet, Bangladesh
  • Average wind speed in June: 7.2km/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 June
Sylhet, Bangladesh

Average humidity in June - Sylhet, Bangladesh
  • Average humidity in June: 86%

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 June
Sylhet, Bangladesh

Average rainfall in June - Sylhet, Bangladesh
  • Average rainfall in June: 353mm

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 June
Sylhet, Bangladesh

Average rainfall days in June - Sylhet, Bangladesh
  • Average rainfall days in June: 29.3 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 June /
Average sunshine in June
Sylhet, Bangladesh

Average daylight in June / Average sunshine in June - Sylhet, Bangladesh
  • Average daylight in June: 13h and 4min

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 June: 8h and 1min

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 June
Sylhet, Bangladesh

Average sunshine days in June - Sylhet, Bangladesh
  • Average sunshine days in June: 0.4 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 June
Sylhet, Bangladesh

Average UV index in June - Sylhet, Bangladesh
  • Average UV index in June: 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 June
Sylhet, Bangladesh

Average cloud cover in June - Sylhet, Bangladesh
  • Average cloud cover in June: 52

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 June
Sylhet, Bangladesh

Average visibility in June - Sylhet, Bangladesh
  • Average visibility in June: 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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