When to go · Bangladesh

When to go to Sylhet

Twelve months of averages for Sylhet, and what they say about when to go.

When to go

What the averages say

Mean daily highs and lows and the month's rain, averaged over 2001 to 2020.

On these averages, Sylhet has a mean high between 18°C and 32°C and under 150 mm of rain in November to March.

Of those months, it is also dry (under 50 mm of rain) and not humid in December to February.

Hot months (a mean high of 32°C or more): April.
Wet months (150 mm of rain or more): April to October.
Humid months (a high of 25°C or more with relative humidity of 70% or more): April to November.
The warmest month is April (32°C) and the coolest January (23°C). The wettest is June (701 mm) and the driest January (11 mm); about 3,707 mm of rain falls in a year.

How these sentences are worded

Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.

Sylhet: highs, lows and rainHighLowRain

The year at a glance

Mild to warm and dry
Mild to warm, humid or showery
Hot
Cool
Wet
Cold

JanMild–warm, dry
FebMild–warm, dry
MarMild–warm, mixed
AprWet
MayWet
JunWet
JulWet
AugWet
SeptWet
OctWet
NovMild–warm, mixed
DecMild–warm, dry

Month by month

Every month in Sylhet

The whole year, with humidity, cloud and the sunlight reaching the ground.

Climate in Sylhet by month: mean daily high and low, rain, and what the month is like
Month	High	Low	Rain	Humidity	Cloud	Sunlight (kWh/m²/day)	High in Dubai	What it is like
January	23°C	12°C	11 mm	72%	32%	3.9	23°C	Mild to warm and dry
February	26°C	14°C	34 mm	66%	30%	4.8	24°C	Mild to warm and dry
March	30°C	18°C	98 mm	60%	46%	5.3	27°C	Mild to warm, humid or showery
April	32°C	22°C	377 mm	72%	68%	5.4	31°C	Wet
May	31°C	24°C	540 mm	81%	79%	5.1	35°C	Wet
June	31°C	25°C	701 mm	88%	90%	4.4	37°C	Wet
July	31°C	25°C	693 mm	89%	93%	4.5	39°C	Wet
August	31°C	25°C	545 mm	88%	90%	4.7	39°C	Wet
September	30°C	25°C	432 mm	87%	83%	4.4	37°C	Wet
October	30°C	22°C	231 mm	82%	54%	4.4	34°C	Wet
November	27°C	17°C	24 mm	78%	24%	4.4	29°C	Mild to warm, humid or showery
December	24°C	13°C	21 mm	76%	28%	3.8	25°C	Mild to warm and dry

The Dubai column is Dubai's mean daily high, for comparison.

Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.

When to go nearby

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Plan a trip to Sylhet

Tell us when and who is travelling, and a person puts the flights, the stays and the rest into one quote.

Plan a trip to Sylhet More about Sylhet When to go

Month

High

Low

Rain

Humidity

Cloud

Sunlight (kWh/m²/day)

High in Dubai

What it is like

January

23°C

12°C

11 mm

72%

32%

3.9

23°C

Mild to warm and dry

February

26°C

14°C

34 mm

66%

30%

4.8

24°C

Mild to warm and dry

March

30°C

18°C

98 mm

60%

46%

5.3

27°C

Mild to warm, humid or showery

April

32°C

22°C

377 mm

72%

68%

5.4

31°C

Wet

May

31°C

24°C

540 mm

81%

79%

5.1

35°C

Wet

June

31°C

25°C

701 mm

88%

90%

4.4

37°C

Wet

July

31°C

25°C

693 mm

89%

93%

4.5

39°C

Wet

August

31°C

25°C

545 mm

88%

90%

4.7

39°C

Wet

September

30°C

25°C

432 mm

87%

83%

4.4

37°C

Wet

October

30°C

22°C

231 mm

82%

54%

4.4

34°C

Wet

November

27°C

17°C

24 mm

78%

24%

4.4

29°C

Mild to warm, humid or showery

December

24°C

13°C

21 mm

76%

28%

3.8

25°C

Mild to warm and dry