Port Blair Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Blair.
Climate overview of Port Blair
Port Blair, Andaman Islands, India, enjoys a steady climate throughout the year, with daytime temperatures typically around 29°C (84°F). April is the warmest month at 30°C (86°F), while January is the coolest at 29°C (84°F).
With around 2306 mm (91 in) of annual rainfall, Port Blair has a notably wet climate. However, this rainfall is not evenly distributed, the city has distinct dry (February to March) and wet (May to November) seasons. The wettest month is June. The sunniest month is January, with 8.9 hours of sunshine per day on average.
Port Blair Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Blair - and find the best time to visit.
Monthly Temperature in Port Blair
The temperature in Port Blair remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 30°C (86°F) in April. In January, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).
At night, temperatures range from around 28°C (82°F) in April to 26°C (79°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Blair
Port Blair has a relatively rainy climate with high precipitation levels, averaging 2306 mm (91 in) of rainfall annually. Port Blair can be quite wet during June, receiving approximately 342 mm (13 in) of precipitation over 19 rainy days.
In contrast, during the driest month (February), you will experience much drier conditions, with 15 mm (0.6 in) of precipitation spread across a single rainy day. For more details, please visit our Port Blair Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Port Blair
Port Blair can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 8.9 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 2.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Port Blair
The mean water temperature over the year ranges from 27°C (81°F) in January to 31°C (88°F) in April.
Water temperature over the year
Humidity in Port Blair by Month
The relative humidity is high throughout the year in Port Blair.
The city experiences its highest humidity in August, reaching 85%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Port Blair
The mean wind speed over the year ranges from 1 m/s (2 knots) in February, March and April to 5 m/s (10 knots) in June and August. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Port Blair
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January and February
- Warmest weather: March, April, May, June, July, August, September, October, November and December
- Most sunshine: January, February and March
- Fewest rainy days: January, February and March
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Seasonal pattern: Distinct dry (February to March) and wet (May to November) seasons
Frequently asked questions about the climate in Port Blair
What is the best time to visit Port Blair?
January and February typically offer the most optimal weather in Port Blair. In contrast, May, June, July, August, September and October tend to have less optimal conditions. Port Blair has distinct dry (February to March) and wet (May to November) seasons.
What temperatures can I expect in Port Blair?
Daytime highs range from 29°C (84°F) in January to 30°C (86°F) in April. Nighttime lows range from 26°C (79°F) to 28°C (82°F). Temperatures stay relatively stable year-round.
How much rain does Port Blair get?
Annual rainfall is around 2306 mm (91 in). June is the wettest month with 342 mm (13 in), while February is the driest with 15 mm (0.6 in).
How sunny is Port Blair?
Port Blair receives around 2,197 hours of sunshine per year. January is the sunniest month with 267 hours, while June is the cloudiest with just 87 hours. Overall, Port Blair enjoys abundant sunshine.
Port Blair 3-Day Forecast
Port Blair on the map
Port Blair is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Gurugram
35°C (95°F) New Delhi34°C (93°F) Chennai
34°C (93°F) Jaipur33°C (91°F) Hyderabad30°C (86°F) Mumbai29°C (84°F) Bengaluru
28°C (82°F) Kochi28°C (82°F) 
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