Climate Insights for Mumbai

The climate in Mumbai is hot. The average annual temperature is 27°C and approximately 2142mm of precipitation falls per year. July is the wettest month, receiving around 702mm of rainfall. Mumbai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, November. The coldest months are January, February, December, when temperatures can drop to 19°C.

Mumbai sees moderate temperature variation throughout the year, ranging from 19°C to 33°C. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 19°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.

Mumbai is a very wet location, receiving approximately 2142mm of precipitation annually, which averages out to around 179mm per month. The wettest month is July, averaging 702mm of rainfall. August and September also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 701mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Mumbai is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 15km/h in winter, 18km/h in spring, 21km/h in summer, 14km/h in autumn.

It is currently spring in Mumbai, which began on March 20, 2026. Mumbai is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 33°C, while the coldest stretch bottoms out in January near 19°C. Summer is next, beginning on June 21, 2026 — 90 days from now.

The best time to visit Mumbai is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 2mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mumbai based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.