Chattogram (Chittagong) weather by month & the best time to visit
Bangladesh · major coastal city · tropical monsoon climate
The best time to visit Chattogram (Chittagong) is January — its sunniest month (Sunshine Score 92/100), with December and February close behind. Chattogram (Chittagong) averages about 2,518 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 10 mm of rain in January.
When is the best time to visit Chattogram (Chittagong)?
For sunshine, the best time to visit Chattogram (Chittagong) is January, then December and February. The dullest month is April (66/100, 171 mm of rain). The full month-by-month picture is in the table below.
How sunny is Chattogram (Chittagong)?
Chattogram (Chittagong) gets a lot of sun: around 2,518 hours a year. January (92/100) is noticeably better than April (66). Chattogram (Chittagong) is the sunniest of the 8 destinations tracked in Bangladesh. Rain is strongly seasonal here: roughly 60% of the year's 4,340 mm falls in the three months around July.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 92 | 23° / 73°F | 16° / 61°F | 10 mm | 6 | 22° / 72°F |
| February | 87 | 26° / 79°F | 18° / 64°F | 39 mm | 8 | 23° / 73°F |
| March | 82 | 29° / 84°F | 22° / 72°F | 62 mm | 9 | 26° / 79°F |
| April | 66 | 31° / 88°F | 25° / 77°F | 171 mm | 9 | 30° / 86°F |
| May | 66 | 31° / 88°F | 27° / 81°F | 428 mm | 9 | 31° / 88°F |
| June | 66 | 30° / 86°F | 27° / 81°F | 749 mm | 8 | 31° / 88°F |
| July | 66 | 29° / 84°F | 27° / 81°F | 1138 mm | 9 | 29° / 84°F |
| August | 66 | 29° / 84°F | 26° / 79°F | 732 mm | 9 | 29° / 84°F |
| September | 66 | 29° / 84°F | 27° / 81°F | 508 mm | 9 | 30° / 86°F |
| October | 66 | 29° / 84°F | 26° / 79°F | 400 mm | 8 | 30° / 86°F |
| November | 77 | 27° / 81°F | 22° / 72°F | 89 mm | 7 | 27° / 81°F |
| December | 91 | 24° / 75°F | 18° / 64°F | 14 mm | 6 | 23° / 73°F |
Sea temperature in Chattogram (Chittagong) by month
The sea off Chattogram (Chittagong) is warmest in May at around 31°C / 88°F, and coolest in January at 22°C / 72°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Chattogram (Chittagong) compares month by month: Chattogram (Chittagong) vs Dhaka · Chattogram (Chittagong) vs Cox's Bazar · Chattogram (Chittagong) vs Imphal · Chattogram (Chittagong) vs Sylhet · all comparisons
Chattogram (Chittagong): questions and answers
What kind of destination is Chattogram (Chittagong)?
Chattogram (Chittagong) is a major coastal city in Bangladesh with a tropical monsoon climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Chattogram (Chittagong) get a year?
Chattogram (Chittagong) gets about 2,518 hours of sunshine a year, at its best around January.
When is the best time to visit Chattogram (Chittagong)?
The sunniest time to visit Chattogram (Chittagong) is January, when the Sunshine Score peaks at 92/100 (with December and February close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Chattogram (Chittagong)?
April is the least sunny month in Chattogram (Chittagong), scoring 66/100 with about 171 mm of rain.
Is Chattogram (Chittagong) the sunniest place in Bangladesh?
Yes — with about 2,518 hours of sunshine a year, Chattogram (Chittagong) has the most annual sunshine of the 8 Bangladesh destinations tracked by Sunshine Atlas.
What is the sea temperature in Chattogram (Chittagong)?
The sea in Chattogram (Chittagong) ranges from about 22°C (January) to 31°C (May). Month-by-month sea temperatures are on this page.
How strong is the sun in Chattogram (Chittagong)?
The typical midday UV index in Chattogram (Chittagong) peaks around 9 (very high) in March, easing to about 6 (high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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