Bangladesh weather in May

Pre-monsoon summer · 2020–2024 averages

May in Bangladesh is pre-monsoon summer: days average 32.6°C and nights 24.7°C, with about 256 mm of rain over 19 days and roughly 9.6 hours of sunshine a day. Around mid-month the sun rises at 5:17 AM and sets at 6:33 PM, a 13.3-hour day.

What to expect

• Warm days, with highs around 32.6°C.
• As wet as the monsoon: about 256 mm of rain over 19 days, often as heavy afternoon or overnight downpours.
• Roughly 9.6 hours of sunshine a day.
• Nor'westers (kalboishakhi) can bring sudden squalls, hail and lightning in the late afternoon.
• Cyclone season on the Bay of Bengal — watch BMD bulletins and signal numbers if a depression forms.

What to pack

• an umbrella or raincoat and quick-drying footwear
• waterproof covers for phones and documents

Compared with the months around it

May is about 1.6° cooler than April, with roughly 173 mm more rain. June then turns cooler and wetter.

May across the divisions

Where May is wettest, driest, hottest and coldest

The wettest district in May is Sylhet (463 mm) and the driest Lakshmipur (177 mm); Chapai Nawabganj is the hottest (average highs of 34.1°C) and Panchagarh has the coldest nights (22.5°C).

What is the weather like in Bangladesh in May?

May in Bangladesh is pre-monsoon summer: days average 32.6°C and nights 24.7°C, with about 256 mm of rain over 19 days and roughly 9.6 hours of sunshine a day. Around mid-month the sun rises at 5:17 AM and sets at 6:33 PM, a 13.3-hour day.

Is May a good time to visit Bangladesh?

It is peak monsoon, with about 256 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.

Does it rain in Bangladesh in May?

Yes — on about 19 days, around 256 mm in total; the wettest single day in 2020–24 brought 256 mm (Jhalokathi).

How hot is Bangladesh in May?

Average highs of 32.6°C and lows of 24.7°C; the hottest May day in 2020–24 reached 43°C, and about 6 days top 35°C.

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