Weather in Port Blair in December 2025
Average weather
Average temperature in Port Blair in December
The expected average maximum temperature in December is +28°C with a maximum of +29°C and a minimum of +26°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +28°C to +28°C.
Is Port Blair warm or cold in December?
Port Blair is typically warm in December.
Maximum temperatures go down compared to the previous month from +28°C to +27°C. The minimum temperature also goes up from +26°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
December is one of the coolest months in Port Blair, here is the comparison with other months:
Climate in Port Blair in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +27°C | +27°C | ||||
| Min. temperature | ||||||
| +24°C | +24°C | +24°C | ||||
| Max. temperature | ||||||
| +30°C | +29°C | +29°C | ||||
| Rainfall | ||||||
| 179 mm | 99 mm | 24 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 82% | 77% | 76% | ||||
| Air pressure | ||||||
| 1009 HPa | 1011 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 2 | 4 | 6 | ||||
| Cloudy days | ||||||
| 5 | 12 | 15 | ||||
| Rainy days | ||||||
| 22 | 15 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +28°C in the day, the average maximum temperature lowers to +27°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 179 mm to 99 mm. It feels drier, as humidity decreases from 82% to 77%. The average wind speed doesn’t change much during December, staying around 4 m/s. The good news is there are likely to be more sunny days in December, from 2 to 4.
But maybe it is worth considering traveling in January as the weather gets better.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Port Blair is gradually increasing during December, going from 4 m/s to 4 m/s over the course of the month.
Rain
How was the weather last December in Port Blair?
Climate Change over Years
The climate in Port Blair in December has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+28°C) and the highest in 2024 (+29°C). The driest year was 1979 with only 1186 mm of rainfall, and the wettest year was 1988 with 2535 mm.
FAQ
Is December a good time to visit Port Blair?
Can you sunbathe in Port Blair in December?
Is Port Blair rainy in December?
Is it sunny in Port Blair in December?
Other cities in India
Monthly weather in Port Blair
Source of the data
For this page, we’ve looked at the typical weather in Port Blair, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
