Climate averages 1991–2020
Port Blair weather
in April.
A hot, moderately wet month: the warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Port Blair: daytime highs average 29.8°C and nights cool to about 26.9°C. By daytime temperature it is the warmest month of the year.
Expect about 70 mm of rain on roughly 9 days, which makes April a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 23 min on an average April day.
The nearest other city in this atlas is Pathein (607 km away). In April its highs average 35.2°C, 5.4°C warmer than Port Blair, with 29 mm of rain.
Among the 692 cities listed in India, Port Blair ranks 670th of 692 for the warmest April highs and joint 626th of 692 for the driest April (rainfall, lowest first). The mean April high of those 692 cities is 36.0°C; Port Blair is 6.2°C cooler than that mean.
From April to May, average highs fall by 0.7°C to 29.1°C, and monthly rainfall rises from 70 mm to 271 mm.
The annual picture
April 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
Port Blair climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.3°C25.3°C | 25.3°C | 33 | 4.9 | 11.512 h |
| February | 27.9°C25.3°C | 25.3°C | 10 | 2.0 | 11.812 h |
| March | 28.8°C25.8°C | 25.8°C | 32 | 4.0 | 12.112 h |
| April, selected | 29.8°C26.9°C | 26.9°C | 70 | 8.5 | 12.412 h |
| May | 29.1°C26.8°C | 26.8°C | 271 | 24.5 | 12.713 h |
| June | 28.4°C26.6°C | 26.6°C | 327 | 25.7 | 12.813 h |
| July | 28.1°C26.2°C | 26.2°C | 295 | 27.9 | 12.713 h |
| August | 27.9°C26.1°C | 26.1°C | 296 | 27.5 | 12.513 h |
| September | 27.7°C25.8°C | 25.8°C | 323 | 27.3 | 12.212 h |
| October | 27.7°C25.7°C | 25.7°C | 265 | 24.9 | 11.912 h |
| November | 27.8°C26.0°C | 26.0°C | 180 | 16.4 | 11.612 h |
| December | 27.5°C25.8°C | 25.8°C | 93 | 8.7 | 11.511 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
April in nearby cities
- Pathein in AprilMyanmar · 607 kmHigh 35.2°C · Low 24.9°C · 29 mm rain
- Dawbon in AprilMyanmar · 621 kmHigh 37.1°C · Low 25.1°C · 34 mm rain
- Myeik in AprilMyanmar · 642 kmHigh 32.3°C · Low 25.1°C · 153 mm rain
- Dawei in AprilMyanmar · 648 kmHigh 32.2°C · Low 24.4°C · 120 mm rain
- Kyauktan in AprilMyanmar · 674 kmHigh 34.5°C · Low 25.6°C · 41 mm rain
- Set Ka Lay in AprilMyanmar · 678 kmHigh 37.0°C · Low 25.3°C · 39 mm rain
- Hlaingthaya in AprilMyanmar · 678 kmHigh 37.2°C · Low 25.3°C · 39 mm rain
- Yangon in AprilMyanmar · 679 kmHigh 36.7°C · Low 25.1°C · 41 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 Port Blair) is explained once on the Port Blair year overview and on the Sources, method and limits page.