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January in Sylhet brings high temperatures, with daytime highs of 25°C (77°F) and nights around 12°C (54°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
If you favor pleasant temperatures and minimal rainfall, January is one of the best months to visit Sylhet.
Pick a month to see the average temperature, rainfall and sunshine in Sylhet - and find the best time to visit.
48-year average (1978-2026)
Based on our historical records, temperatures in Sylhet typically stay consistent throughout January, with daily highs averaging around 25°C (77°F). Nights are cool, with lows around 13°C (55°F).
Browse day-by-day weather records for Sylhet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Sylhet spans 2005 to 2025, revealing these weather extremes.
Find out more about the weather in Bangladesh and which places have the best travel conditions in this month. See all of Bangladesh in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Sylhet in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Sylhet climate overview or explore weather in Bangladesh.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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