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Best time to visit Sylhet, Bangladesh

Our verdict

The best time to visit Sylhet is January-March

Are you looking for top-secret information about when to visit Sylhet? Look no further! January-March is the best time to go to Sylhet due to the excellent all-round climate conditions, and it’s not likely to be at its busiest as it’s not during the height of the peak travel season.

In summer, the temperature in Sylhet can rise as high as 37℃ (99℉). The coldest it usually gets in winter-time in Sylhet is around 10℃ (50℉).

The days are longest in Sylhet in April, so if you want to see the sights during the day when the sun is up for the longest time, it’s best to visit around that time of year. The wet season in Sylhet falls around June, so if you prefer the dryer weather, you should look to visit in January instead.

Keep reading to find out more detailed information about the seasons and climate in Sylhet, as well as our favourite tools to help you find the best options for transport, accommodation, and much more.

Warmest month

May

Least rainfall

January

Most daylight

April

Sylhet seasons

Before you continue, it’s important to know when the seasons are in Sylhet as they might be different to yours depending on where in the world you’re travelling from. Sylhet is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Sylhet

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Sylhet for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Sylhet climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Sylhet for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Sylhet in January

  • Average temperature: 18℃ (65℉)
  • Average high temperature: 26℃ (78℉)
  • Average low temperature: 12℃ (54℉)
  • Average humidity: 66%
  • Average sunny days: 28 days
  • Average rainfall: 4mm (0") over 2 days
28 days
of pure sunshine
2 days
of showers or rain

What to pack: If you’re heading to Sylhet in January, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Sylhet in February

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 14℃ (58℉)
  • Average humidity: 57%
  • Average sunny days: 25 days
  • Average rainfall: 13mm (0") over 3 days
25 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Sylhet in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Sylhet in March

  • Average temperature: 25℃ (78℉)
  • Average high temperature: 33℃ (92℉)
  • Average low temperature: 19℃ (65℉)
  • Average humidity: 55%
  • Average sunny days: 18 days
  • Average rainfall: 49mm (2") over 11 days
18 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Sylhet in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Sylhet in April

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 34℃ (94℉)
  • Average low temperature: 23℃ (73℉)
  • Average humidity: 67%
  • Average sunny days: 6 days
  • Average rainfall: 175mm (7") over 21 days
6 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to Sylhet in April, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Sylhet in May

  • Average temperature: 29℃ (83℉)
  • Average high temperature: 33℃ (92℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 79%
  • Average sunny days: 2 days
  • Average rainfall: 289mm (11") over 27 days
2 days
of pure sunshine
27 days
of showers or rain

What to pack: If you’re heading to Sylhet in May, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Sylhet in June

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 32℃ (90℉)
  • Average low temperature: 25℃ (78℉)
  • Average humidity: 86%
  • Average sunny days: 0 days
  • Average rainfall: 307mm (12") over 29 days
0 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Sylhet in June, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Sylhet in July

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 89%
  • Average sunny days: 1 days
  • Average rainfall: 266mm (10") over 29 days
1 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Sylhet in July, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Sylhet in August

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 32℃ (89℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 88%
  • Average sunny days: 1 days
  • Average rainfall: 292mm (12") over 30 days
1 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Sylhet in August, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Sylhet in September

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 31℃ (89℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 88%
  • Average sunny days: 1 days
  • Average rainfall: 236mm (9") over 28 days
1 days
of pure sunshine
28 days
of showers or rain

What to pack: If you’re heading to Sylhet in September, make sure you pack t-shirts and shorts.. It stays warm all day and night.

Sylhet in October

  • Average temperature: 25℃ (78℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 21℃ (71℉)
  • Average humidity: 84%
  • Average sunny days: 10 days
  • Average rainfall: 111mm (4") over 18 days
10 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Sylhet in October, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.


Sylhet in November

  • Average temperature: 22℃ (71℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 17℃ (62℉)
  • Average humidity: 79%
  • Average sunny days: 23 days
  • Average rainfall: 18mm (1") over 5 days
23 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Sylhet in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Sylhet in December

  • Average temperature: 19℃ (66℉)
  • Average high temperature: 26℃ (78℉)
  • Average low temperature: 14℃ (57℉)
  • Average humidity: 75%
  • Average sunny days: 28 days
  • Average rainfall: 7mm (0") over 3 days
28 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Sylhet in December, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Top FAQs

The hottest month of the year in Sylhet is usually May, where temperatures tend to rise to around 34℃ (94℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Sylhet is generally around January. The dry season often coincides with cooler weather, so you should check the temperatures in January first to make sure it’s still a good time to go.
The rainiest time of year in Sylhet is generally around June, although the wetter season can sometimes extend a few months either side of June too.
If you want to get the most out of your time visiting Sylhet, or if you're just afraid of the dark, the days in April are usually the longest between sunrise and sunset.

Sylhet map

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