Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 25.1 °C | 22.4 °C | 1 day | Ideal — one of the best times of year |
| February | 27.8 °C | 22.9 °C | 1 day | Ideal — one of the best times of year |
| March | 31.1 °C | 26 °C | 4 days | Ideal — one of the best times of year |
| April | 32.2 °C | 28.7 °C | 9 days | Ideal — one of the best times of year |
| May | 31.9 °C | 29.9 °C | 17 days | Possible, with trade-offs |
| June | 30.2 °C | 29.6 °C | 25 days | Unfavourable season |
| July | 29.7 °C | 29.5 °C | 29 days | Unfavourable season |
| August | 29.7 °C | 29.2 °C | 29 days | Unfavourable season |
| September | 30.3 °C | 29.7 °C | 26 days | Unfavourable season |
| October | 30.2 °C | 29.5 °C | 16 days | Possible, with trade-offs |
| November | 28.8 °C | 27.8 °C | 2 days | Ideal — one of the best times of year |
| December | 26.1 °C | 24.8 °C | 2 days | Ideal — one of the best times of year |
Nearby in July
Before you go
Three things to check once you have picked your dates.
Entry
Visa required before departure. Passport valid for at least 6 months. Visa on arrival at Dhaka (15 to 30 days, not guaranteed) needs a return ticket and proof of funds; passport needs 2 blank pages, 6 months from visa start.
For a British passport, per the UK Foreign Office on 4 September 2026. Rules change: check before booking.
Safety
Outside the areas advised against
Parts of the country are advised against (the Chittagong Hill Tracts (Rangamati, Khagrachari, Bandarban)); Chattogram is not one of them.
Official advice updated 4 September 2026
Health
Vaccines · typhoid recommended for most travellers; hepatitis A and hepatitis B if you are not already vaccinated; rabies, Japanese encephalitis and cholera depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. Certificate required only if you arrive from a country with yellow fever risk.
Malaria · Present. Areas: Districts of Chittagong Hill Tract (Bandarban, Khagrachari, and Rangamati); and the following districts: Chattogram (Chittagong) and Cox’s Bazar (in Chattogram [Chittagong] Division); Mymensingh, Netrakona, and Sherpur (in Mymensingh Division); Kurigram (in Rangpur Division); Habiganj, Moulvibazar, Sunamganj, and Sylhet (in Sylhet Division) No malaria transmission in Dhaka (the capital). Preventive medication recommended: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine — prescribed before departure.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Chattogram in July?
The sea averages 29.5°C in July — yes, pleasant swimming.
How hot is Chattogram in July?
Expect 29.7°C in the afternoon and 25.4°C at night, averaged over the last 10 years.
Does it rain a lot in Chattogram in July?
Around 29 days with rain (≥ 1 mm) in the month — 94% of days.