Port Blair (Sri Vijaya Puram) in July
Andaman & Nicobar Islands, India
July in Port Blair is monsoon at its most stubborn. Rainfall averages 480mm across 25-27 wet days. Phoenix Bay ferries run sporadically when at all; the high-speed Makruzz pulls boats off route entirely on the worst weeks. Dive visibility collapses to 5-8m at every site, dive operators on Havelock shut for the season. Air temperature 25-29C is deceptively mild, but 90+ percent humidity and constant downpour make clothing impossible to dry. Power cuts run 4-6 hours daily as the grid takes hits. Domestic flights still operate but on a thinner timetable. There is no version of the Andamans trip that works in July. Wait for October.
Why July scores 2.0/10
Weather
Peak monsoon. 450-500mm rainfall. Ferry network broken. Do not plan an Andaman trip in July.
Who should go
- ✓First-time travelers
- ✓Senior citizens
- ✓Families with children
Who should think twice
- ✗Everyone
All 12 Months
| Month | Score | Note |
|---|---|---|
| January | 10.0/10 | Peak archipelago season. 22-29C, dry, ferries reliable. Cellular Jail show seats book out. |
| February | 10.0/10 | Driest month. 23-30C, ferry timetables hold. Indian-tourist load eases mid-month. |
| March | 8.0/10 | Last clean month before pre-monsoon humidity. 25-32C. Ferries on time, prices off-peak. |
| April | 8.0/10 | Hot and humid 27-33C but still pre-monsoon. Ferries and dive trips running normally. |
| May | 8.0/10 | Pre-monsoon. 27-33C. First half clean, last week often sees first squalls. Ferries on schedule. |
| June | 2.0/10 | Southwest monsoon full strength. 400-500mm rainfall, ferry cancellations, rough seas. Avoid. |
| Julyviewing | 2.0/10 | Peak monsoon. 450-500mm rainfall. Ferry network broken. Do not plan an Andaman trip in July. |
| August | 2.0/10 | Monsoon continues. 400-450mm rain. Ferries unreliable, dive operators closed. Skip. |
| September | 4.0/10 | Recovery month. Rainfall easing to 250-300mm. Ferries returning by mid-month. Still patchy. |
| October | 8.0/10 | Season opens. 100-150mm rainfall mostly first week. 24-31C. Ferries fully restored by mid-month. |
| November | 8.0/10 | Peak builds. 50-80mm rainfall, 23-30C. NE monsoon residual but ferries reliable. Diwali rush. |
| December | 10.0/10 | Peak season. 23-29C, dry, dive vis 28-30m. Christmas-NY 50% premium and ferries sold out. |
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