Climate averages 1991–2020
Port Blair weather
in January.
A warm, fairly dry month: the coolest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Port Blair: daytime highs average 27.3°C and nights cool to about 25.3°C. By daytime temperature it is the coolest month of the year.
Expect about 33 mm of rain on roughly 5 days, which makes January a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 31 min on an average January day.
The nearest other city in this atlas is Pathein (607 km away). In January its highs average 30.0°C, 2.7°C warmer than Port Blair, with 6.1 mm of rain.
Among the 692 cities listed in India, Port Blair ranks joint 268th of 692 for the warmest January highs and joint 639th of 692 for the driest January (rainfall, lowest first). The mean January high of those 692 cities is 25.0°C; Port Blair is 2.3°C warmer than that mean.
From January to February, average highs rise by 0.6°C to 27.9°C, and monthly rainfall falls from 33 mm to 10 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Pathein in JanuaryMyanmar · 607 kmHigh 30.0°C · Low 18.8°C · 6.1 mm rain
- Dawbon in JanuaryMyanmar · 621 kmHigh 30.6°C · Low 18.3°C · 4.5 mm rain
- Myeik in JanuaryMyanmar · 642 kmHigh 31.6°C · Low 22.1°C · 32 mm rain
- Dawei in JanuaryMyanmar · 648 kmHigh 31.0°C · Low 20.2°C · 13 mm rain
- Kyauktan in JanuaryMyanmar · 674 kmHigh 29.5°C · Low 19.5°C · 4.1 mm rain
- Set Ka Lay in JanuaryMyanmar · 678 kmHigh 30.8°C · Low 18.4°C · 4.4 mm rain
- Hlaingthaya in JanuaryMyanmar · 678 kmHigh 30.8°C · Low 18.5°C · 4.4 mm rain
- Yangon in JanuaryMyanmar · 679 kmHigh 30.6°C · Low 18.3°C · 4.1 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.