Climate averages 1991–2020
Karnaphuli weather
in May.
A hot, very wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Karnaphuli: daytime highs average 32.1°C and nights cool to about 25.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 241 mm of rain on roughly 20 days, which makes May a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 13 min on an average May day.
The nearest other city in this atlas is Rangamati (7 km away). In May its highs average 32.3°C, about as warm as Karnaphuli, with 241 mm of rain.
Among the 63 cities listed in Bangladesh, Karnaphuli ranks joint 23rd of 63 for the warmest May highs and joint 11th of 63 for the driest May (rainfall, lowest first). The mean May high of those 63 cities is 32.0°C; Karnaphuli is 0.1°C warmer than that mean.
From May to June, average highs fall by 1.7°C to 30.3°C, and monthly rainfall rises from 241 mm to 377 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Karnaphuli climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.9°C14.6°C | 14.6°C | 6.8 | 1.0 | 10.911 h |
| February | 27.7°C16.5°C | 16.5°C | 16 | 2.1 | 11.411 h |
| March | 31.4°C20.6°C | 20.6°C | 50 | 4.1 | 12.012 h |
| April | 32.9°C23.8°C | 23.8°C | 85 | 9.1 | 12.713 h |
| May, selected | 32.1°C25.1°C | 25.1°C | 241 | 19.7 | 13.213 h |
| June | 30.3°C25.2°C | 25.2°C | 377 | 26.7 | 13.513 h |
| July | 29.5°C24.9°C | 24.9°C | 355 | 29.1 | 13.413 h |
| August | 29.9°C25.0°C | 25.0°C | 275 | 28.9 | 12.913 h |
| September | 30.1°C24.7°C | 24.7°C | 243 | 26.0 | 12.312 h |
| October | 29.8°C23.7°C | 23.7°C | 160 | 17.4 | 11.612 h |
| November | 28.0°C20.2°C | 20.2°C | 38 | 4.1 | 11.111 h |
| December | 25.5°C16.3°C | 16.3°C | 9.7 | 1.2 | 10.811 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Rangamati in MayBangladesh · 7 kmHigh 32.3°C · Low 24.9°C · 241 mm rain
- Bibir Hat in MayBangladesh · 46 kmHigh 31.0°C · Low 25.3°C · 303 mm rain
- Hāthazāri in MayBangladesh · 48 kmHigh 30.7°C · Low 25.7°C · 297 mm rain
- Chattogram in MayBangladesh · 57 kmHigh 30.3°C · Low 26.0°C · 291 mm rain
- Feni in MayBangladesh · 93 kmHigh 31.6°C · Low 25.2°C · 309 mm rain
- Maijdi in MayBangladesh · 118 kmHigh 31.7°C · Low 25.5°C · 274 mm rain
- Aizawl in MayIndia · 126 kmHigh 26.5°C · Low 17.6°C · 224 mm rain
- Lākshām in MayBangladesh · 129 kmHigh 31.9°C · Low 25.2°C · 297 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Karnaphuli) is explained once on the Karnaphuli year overview and on the Sources, method and limits page.
Rangamati lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.