Sylhet weather by month

Check out Sylhet weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Sylhet (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
25°C maximum daytime temperature in January in Sylhet25
27°C maximum daytime temperature in February in Sylhet27
31°C maximum daytime temperature in March in Sylhet31
31°C maximum daytime temperature in April in Sylhet31
31°C maximum daytime temperature in May in Sylhet31
31°C maximum daytime temperature in June in Sylhet31
31°C maximum daytime temperature in July in Sylhet31
31°C maximum daytime temperature in August in Sylhet31
31°C maximum daytime temperature in September in Sylhet31
31°C maximum daytime temperature in October in Sylhet31
29°C maximum daytime temperature in November in Sylhet29
26°C maximum daytime temperature in December in Sylhet26
Min temperature (night-time)
12°C minimum night-time temperature in January in Sylhet12
14°C minimum night-time temperature in February in Sylhet14
18°C minimum night-time temperature in March in Sylhet18
21°C minimum night-time temperature in April in Sylhet21
23°C minimum night-time temperature in May in Sylhet23
25°C minimum night-time temperature in June in Sylhet25
25°C minimum night-time temperature in July in Sylhet25
25°C minimum night-time temperature in August in Sylhet25
25°C minimum night-time temperature in September in Sylhet25
22°C minimum night-time temperature in October in Sylhet22
18°C minimum night-time temperature in November in Sylhet18
14°C minimum night-time temperature in December in Sylhet14
Heat & Humidity
Low heat & humidity in January in SylhetL
Low heat & humidity in February in SylhetL
High heat & humidity in March in SylhetH
High heat & humidity in April in SylhetH
High heat & humidity in May in SylhetH
Very high heat & humidity in June in SylhetVH
Very high heat & humidity in July in SylhetVH
Very high heat & humidity in August in SylhetVH
Very high heat & humidity in September in SylhetVH
High heat & humidity in October in SylhetH
Moderate heat & humidity in November in SylhetM
Low heat & humidity in December in SylhetL

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Sylhet

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Sylhet11
11 hours of daylight per day in February in Sylhet11
12 hours of daylight per day in March in Sylhet12
13 hours of daylight per day in April in Sylhet13
13 hours of daylight per day in May in Sylhet13
14 hours of daylight per day in June in Sylhet14
14 hours of daylight per day in July in Sylhet14
13 hours of daylight per day in August in Sylhet13
12 hours of daylight per day in September in Sylhet12
12 hours of daylight per day in October in Sylhet12
11 hours of daylight per day in November in Sylhet11
11 hours of daylight per day in December in Sylhet11
UV Index (Maximum)
UV (maximum) index 6 (High) in January in Sylhet6
UV (maximum) index 8 (Very High) in February in Sylhet8
UV (maximum) index 10 (Very High) in March in Sylhet10
UV (maximum) index 11 (Extreme) in April in Sylhet11
UV (maximum) index 11+ (Extreme) in May in Sylhet11
UV (maximum) index 11+ (Extreme) in June in Sylhet11
UV (maximum) index 11+ (Extreme) in July in Sylhet11
UV (maximum) index 11+ (Extreme) in August in Sylhet11
UV (maximum) index 11 (Extreme) in September in Sylhet11
UV (maximum) index 9 (Very High) in October in Sylhet9
UV (maximum) index 6 (High) in November in Sylhet6
UV (maximum) index 5 (Moderate) in December in Sylhet5

Rainfall in Sylhet

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
1 day with some rainfall in January in Sylhet1
2 days with some rainfall in February in Sylhet2
5 days with some rainfall in March in Sylhet5
11 days with some rainfall in April in Sylhet11
14 days with some rainfall in May in Sylhet14
18 days with some rainfall in June in Sylhet18
18 days with some rainfall in July in Sylhet18
17 days with some rainfall in August in Sylhet17
12 days with some rainfall in September in Sylhet12
6 days with some rainfall in October in Sylhet6
2 days with some rainfall in November in Sylhet2
0 days with some rainfall in December in Sylhet0
Average monthly rainfall (mm)
10 mm monthly rainfall in January in Sylhet10
44 mm monthly rainfall in February in Sylhet44
111 mm monthly rainfall in March in Sylhet111
342 mm monthly rainfall in April in Sylhet342
513 mm monthly rainfall in May in Sylhet513
799 mm monthly rainfall in June in Sylhet799
809 mm monthly rainfall in July in Sylhet809
640 mm monthly rainfall in August in Sylhet640
502 mm monthly rainfall in September in Sylhet502
238 mm monthly rainfall in October in Sylhet238
31 mm monthly rainfall in November in Sylhet31
9 mm monthly rainfall in December in Sylhet9

More about Sylhet

Sylhet by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Bangladesh

The climate guide for Bangladesh (Sylhet) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Sylhet?

Sylhet has a hot tropical climate with a short dry season.

Sylhet weather in January

Expect daytime maximum temperatures of 25°C in Sylhet, Bangladesh in January based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 25°C maximum daytime temperature in January in Sylhet25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 1 day with some rainfall in January in Sylhet1
    1 day with some rainfall
  • 12°C minimum night-time temperature in January in Sylhet12
    12°C min night temperature
  • 11 hours of daylight per day in January in Sylhet11
    11 hours of daylight per day
  • Low heat & humidity in January in SylhetL
    Low heat & humidity
  • 10 mm monthly rainfall in January in Sylhet10
    10 mm of monthly rainfall
  • UV (maximum) index 6 (High) in January in Sylhet6
    6 (High) UV index

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Sylhet weather in February

Expect daytime maximum temperatures of 27°C in Sylhet, Bangladesh in February based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 44 mm of rainfall in the month.

  • 27°C maximum daytime temperature in February in Sylhet27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 2 days with some rainfall in February in Sylhet2
    2 days with some rainfall
  • 14°C minimum night-time temperature in February in Sylhet14
    14°C min night temperature
  • 11 hours of daylight per day in February in Sylhet11
    11 hours of daylight per day
  • Low heat & humidity in February in SylhetL
    Low heat & humidity
  • 44 mm monthly rainfall in February in Sylhet44
    44 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in February in Sylhet8
    8 (Very High) UV index

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Sylhet weather in March

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in March and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 111 mm of rainfall in the month.

  • 31°C maximum daytime temperature in March in Sylhet31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in March in Sylhet5
    5 days with some rainfall
  • 18°C minimum night-time temperature in March in Sylhet18
    18°C min night temperature
  • 12 hours of daylight per day in March in Sylhet12
    12 hours of daylight per day
  • High heat & humidity in March in SylhetH
    High heat & humidity
  • 111 mm monthly rainfall in March in Sylhet111
    111 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Sylhet10
    10 (Very High) UV index

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Sylhet weather in April

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in April and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 342 mm of rainfall in the month.

  • 31°C maximum daytime temperature in April in Sylhet31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in April in Sylhet11
    11 days with some rainfall
  • 21°C minimum night-time temperature in April in Sylhet21
    21°C min night temperature
  • 13 hours of daylight per day in April in Sylhet13
    13 hours of daylight per day
  • High heat & humidity in April in SylhetH
    High heat & humidity
  • 342 mm monthly rainfall in April in Sylhet342
    342 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in April in Sylhet11
    11 (Extreme) UV index

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Sylhet weather in May

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in May and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 513 mm of rainfall in the month.

  • 31°C maximum daytime temperature in May in Sylhet31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Sylhet14
    14 days with some rainfall
  • 23°C minimum night-time temperature in May in Sylhet23
    23°C min night temperature
  • 13 hours of daylight per day in May in Sylhet13
    13 hours of daylight per day
  • High heat & humidity in May in SylhetH
    High heat & humidity
  • 513 mm monthly rainfall in May in Sylhet513
    513 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Sylhet11
    11+ (Extreme) UV index

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Sylhet weather in June

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in June and very high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 799 mm of rainfall in the month.

  • 31°C maximum daytime temperature in June in Sylhet31
    31°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in June in Sylhet18
    18 days with some rainfall
  • 25°C minimum night-time temperature in June in Sylhet25
    25°C min night temperature
  • 14 hours of daylight per day in June in Sylhet14
    14 hours of daylight per day
  • Very high heat & humidity in June in SylhetVH
    Very High heat & humidity
  • 799 mm monthly rainfall in June in Sylhet799
    799 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Sylhet11
    11+ (Extreme) UV index

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Sylhet weather in July

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in July and very high heat and humidity based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 809 mm of rainfall in the month.

  • 31°C maximum daytime temperature in July in Sylhet31
    31°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in July in Sylhet18
    18 days with some rainfall
  • 25°C minimum night-time temperature in July in Sylhet25
    25°C min night temperature
  • 14 hours of daylight per day in July in Sylhet14
    14 hours of daylight per day
  • Very high heat & humidity in July in SylhetVH
    Very High heat & humidity
  • 809 mm monthly rainfall in July in Sylhet809
    809 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Sylhet11
    11+ (Extreme) UV index

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Sylhet weather in August

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in August and very high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 640 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Sylhet31
    31°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in August in Sylhet17
    17 days with some rainfall
  • 25°C minimum night-time temperature in August in Sylhet25
    25°C min night temperature
  • 13 hours of daylight per day in August in Sylhet13
    13 hours of daylight per day
  • Very high heat & humidity in August in SylhetVH
    Very High heat & humidity
  • 640 mm monthly rainfall in August in Sylhet640
    640 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Sylhet11
    11+ (Extreme) UV index

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Sylhet weather in September

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in September and very high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 502 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Sylhet31
    31°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in September in Sylhet12
    12 days with some rainfall
  • 25°C minimum night-time temperature in September in Sylhet25
    25°C min night temperature
  • 12 hours of daylight per day in September in Sylhet12
    12 hours of daylight per day
  • Very high heat & humidity in September in SylhetVH
    Very High heat & humidity
  • 502 mm monthly rainfall in September in Sylhet502
    502 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Sylhet11
    11 (Extreme) UV index

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Sylhet weather in October

Expect daytime maximum temperatures of 31°C in Sylhet, Bangladesh in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 238 mm of rainfall in the month.

  • 31°C maximum daytime temperature in October in Sylhet31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Sylhet6
    6 days with some rainfall
  • 22°C minimum night-time temperature in October in Sylhet22
    22°C min night temperature
  • 12 hours of daylight per day in October in Sylhet12
    12 hours of daylight per day
  • High heat & humidity in October in SylhetH
    High heat & humidity
  • 238 mm monthly rainfall in October in Sylhet238
    238 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Sylhet9
    9 (Very High) UV index

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Sylhet weather in November

Expect daytime maximum temperatures of 29°C in Sylhet, Bangladesh in November based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 29°C maximum daytime temperature in November in Sylhet29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 2 days with some rainfall in November in Sylhet2
    2 days with some rainfall
  • 18°C minimum night-time temperature in November in Sylhet18
    18°C min night temperature
  • 11 hours of daylight per day in November in Sylhet11
    11 hours of daylight per day
  • Moderate heat & humidity in November in SylhetM
    Moderate heat & humidity
  • 31 mm monthly rainfall in November in Sylhet31
    31 mm of monthly rainfall
  • UV (maximum) index 6 (High) in November in Sylhet6
    6 (High) UV index

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Sylhet weather in December

Expect daytime maximum temperatures of 26°C in Sylhet, Bangladesh in December based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 26°C maximum daytime temperature in December in Sylhet26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 0 days with some rainfall in December in Sylhet0
    0 days with some rainfall
  • 14°C minimum night-time temperature in December in Sylhet14
    14°C min night temperature
  • 11 hours of daylight per day in December in Sylhet11
    11 hours of daylight per day
  • Low heat & humidity in December in SylhetL
    Low heat & humidity
  • 9 mm monthly rainfall in December in Sylhet9
    9 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in December in Sylhet5
    5 (Moderate) UV index

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More about Sylhet

Sylhet by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Bangladesh

The climate guide for Bangladesh (Sylhet) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Sylhet weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Sylhet, Bangladesh and the UK (London).

Maximum daytime temperature (°C)

Sylhet, Bangladesh
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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