Annual mean 27°C · wettest around September · prevailing wind S
Warmest
31.5 °C
Coldest
28.1 °C
Wettest
79%
Windiest
3.3 m/s
Prevailing
S
2.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Port Blair over the whole year is 27°C. April is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 24°C. The rainy (wet) season in Port Blair runs from May to November, peaking in September with a 73% chance of rain on a given day. The dry season is December to April; March is the driest month, at 45%. Winds in Port Blair are highest in July, averaging 2.4 m/s (9 km/h), and lightest in March, at 0.9 m/s (3 km/h). The prevailing wind is from the S. The clearest skies in Port Blair come in March, when the sky is typically 52% covered; July is the cloudiest month, at 85%.
Month by month Port Blair climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
29°C
25°C
32°C
49%
62%
1.5 m/s
3
55
1
February
29°C
24°C
33°C
57%
52%
1.3 m/s
3
54
0
March
30°C
25°C
35°C
45%
52%
0.9 m/s
0
32
0
April
31°C
26°C
36°C
58%
58%
0.9 m/s
0
9
0
May
30°C
27°C
36°C
68%
74%
1.6 m/s
1
12
0
June
29°C
26°C
34°C
72%
83%
2.2 m/s
2
25
0
July
29°C
26°C
34°C
63%
85%
2.4 m/s
1
31
0
August
29°C
26°C
33°C
71%
84%
2.3 m/s
3
30
0
September
28°C
25°C
33°C
73%
84%
1.9 m/s
2
30
0
October
29°C
26°C
34°C
66%
77%
1.2 m/s
1
23
0
November
29°C
26°C
34°C
68%
72%
1.4 m/s
1
24
0
December
29°C
25°C
33°C
58%
70%
1.8 m/s
3
41
1
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Port Blair weather by season
Year round, Port Blair has days of about 28°C at their warmest in September, its coolest month, and 31°C in April, its warmest; the coolest hours of the day run from 24°C to 27°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around September and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Port Blair weather in winterDecember to February
High 29°CLow 25°CRain 55%
Winter in Port Blair has typical daily highs of about 29°C and lows of about 25°C, with a 55% chance of rain on a given day.
Port Blair weather in springMarch to May
High 30°CLow 26°CRain 57%
Spring in Port Blair has typical daily highs of about 30°C and lows of about 26°C, with a 57% chance of rain on a given day.
Port Blair weather in summerJune to August
High 29°CLow 26°CRain 69%
Summer in Port Blair has typical daily highs of about 29°C and lows of about 26°C, with a 69% chance of rain on a given day.
Port Blair weather in autumnSeptember to November
High 29°CLow 26°CRain 69%
Autumn in Port Blair has typical daily highs of about 29°C and lows of about 26°C, with a 69% chance of rain on a given day.
When is the rainy season in Port Blair?
The rainy (wet) season in Port Blair runs from May to November, peaking in September with a 73% chance of rain on a given day. The dry season is December to April; March is the driest month, at 45%.
What time of year is Port Blair windiest?
Winds in Port Blair are highest in July, averaging 2.4 m/s (9 km/h), and lightest in March, at 0.9 m/s (3 km/h). The prevailing wind is from the S.
What is the average temperature in Port Blair year round?
The average temperature in Port Blair over the whole year is 27°C. April is the hottest month, with highs of about 31°C; February is the coldest, with lows of about 24°C.