Mumbai, India: vitamin D, best months and travel guide
Business capital of Bollywood, street food and colonial buildings. Best for: city lovers, foodies.
The best months for vitamin D in Mumbai are October to March, when a full dose takes about 7 minutes at midday. Too hot from April to May and rainy or stormy from June to September.
Mumbai month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Good | 6.9 h | 6.2 | 9 min | 31°C | 0/30 |
| February | Excellent | 7.4 h | 6.9 | 8 min | 32°C | 0/30 |
| March | Excellent | 7.9 h | 7.7 | 7 min | 33°C | 0/30 |
| April | Too hot | 8.4 h | 7.9 | 7 min | 35°C | 0/30 |
| May | Too hot | 8.3 h | 7.8 | 7 min | 34°C | 2/30 |
| June | Bad weather | 7.3 h | 7.0 | 8 min | 31°C | 27/30 |
| July | Bad weather | 3.6 h | 4.4 | 12 min | 28°C | 30/30 |
| August | Bad weather | 6.8 h | 6.7 | 8 min | 29°C | 27/30 |
| September | Bad weather | 6.7 h | 6.5 | 8 min | 28°C | 28/30 |
| October | Excellent | 6.9 h | 6.7 | 8 min | 31°C | 16/30 |
| November | Good | 7.0 h | 6.3 | 8 min | 33°C | 0/30 |
| December | Good | 6.6 h | 5.8 | 9 min | 31°C | 0/30 |
Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday for about 1,000 IU of vitamin D with a quarter of the body bare, for skin type III. Rainy days are days with at least 1 mm out of 30.
What to expect in Mumbai
Business capital of Bollywood, street food and colonial buildings. A dry, pleasant season from November to March, hot pre-monsoon weather in April and May, and heavy monsoon from June to September, when beaches are closed in many places. Plan for warm food and busy traffic.
In Mumbai afternoon highs average from 28°C in July to 35°C in April. The wettest month is July (about 30 rainy days out of 30) and the driest is December (0). Midday UV peaks at 7.9 in April.
The financial capital of India, the city that never sleeps, home of "Bollywood", the Hindi film industry (Wikivoyage, CC BY-SA 4.0)
Questions about Mumbai
When is the best time to visit Mumbai for vitamin D?
The best months for vitamin D in Mumbai are October to March, when a full dose takes about 7 minutes at midday.
What is the weather like in Mumbai?
Afternoon highs average from 28°C in July to 35°C in April. The wettest month is July, with about 30 rainy days out of 30.
Which months should I avoid in Mumbai?
For a beach stay, avoid the months when it is too hot from April to May and rainy or stormy from June to September.