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Monthly climate in Port Blair, India

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Port Blair features a tropical monsoon climate (Am). Temperatures typically range between 27 °C (80 °F) and 28 °C (83 °F) through the year, but rarely can drop to 24 °C (76 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 2410 mm (94.9 inches) and receives 223 rainy days on the 1 mm (0.04 inches) threshold annually. Port Blair enjoys an average of 3603 hours of sunshine throughout the year, and daylight varies from 11 hours 26 minutes to 12 hours 47 minutes per day.

Monthly average temperatures in Port Blair, India §

The warmest months in Port Blair are April, May and June, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, Port Blair experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Blair, India. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)
Mean maximum 28°C
(83°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)
Average high 27°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)
Daily mean 27°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)
Average low 26°C
(79°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)
Mean minimum 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(77°F)
Minimum 24°C
(76°F)		 24°C
(76°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 24°C
(76°F)

Compare climate in Port Blair with other places

Compare temperature, precipitation, sunshine, UV index in Port Blair, India with other places around the world.

Monthly average precipitation in Port Blair, India §

Port Blair usually has the most precipitation in June, August and September, with an average of 27 rainy days and 348 mm (13.7 inches) of precipitation per month. The driest months in Port Blair are January, February and March. On average, 32 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Blair, India. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 72 (2.8) 15 (0.6) 9 (0.3) 79 (3.1) 280 (11.0) 335 (13.2) 275 (10.8) 334 (13.1) 374 (14.7) 305 (12.0) 195 (7.7) 137 (5.4)
Average precipitation days (≥ 1 mm) 10 3 3 11 26 27 27 28 27 28 19 14

Monthly sunshine hours in Port Blair, India §

The sunniest months in Port Blair are March, April and December, when the sun shines an average of 10 hours 56 minutes a day. Least sunny months in Port Blair: January, June and August receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Blair, India. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 263 309 347 334 309 263 297 258 281 303 311 324
Mean daily daylight hours 11h 30m 11h 44m 12h 3m 12h 22m 12h 39m 12h 47m 12h 42m 12h 28m 12h 10m 11h 50m 11h 34m 11h 26m

Solar UV radiation in Port Blair, India §

Port Blair experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Port Blair UV Index data.

Average daily maximum UV levels by month for Port Blair, India. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 11 13 15 14 14 13 14 14 14 13 11 10

Detailed Monthly Weather Insights for Port Blair, India

Discover in-depth weather details for every month in Port Blair. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Port Blair's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.