Mumbai is set to experience a dramatic weather transition throughout June 2026, moving from hot and humid pre monsoon conditions into a full fledged monsoon season. Forecasts indicate daytime temperatures generally ranging between 32°C and 34°C during the early part of the month, while nighttime temperatures are expected to remain between 26°C and 28°C. The city is also under a Yellow Alert due to intense pre monsoon thunderstorms and the expected early arrival of the southwest monsoon around June 5 to June 6. Residents, commuters, travelers, and tourists are being advised to stay informed about rainfall activity, high tides, transport disruptions, and waterlogging risks as Mumbai enters one of its wettest months of the year.
Mumbai Weather in June 2026: What to Expect
June marks the beginning of Mumbai monsoon season and typically brings a significant change in weather conditions. The month starts with warm temperatures, increasing humidity, and scattered pre monsoon showers. As the southwest monsoon arrives, rainfall activity intensifies and gradually becomes a daily feature across the city. While temperatures may not fluctuate dramatically, cloud cover and continuous rainfall help reduce daytime heat levels during the latter half of the month. Residents should expect changing weather patterns, occasional heavy downpours, and possible disruptions to daily travel routines.
Mumbai June 2026 Temperature Overview
According to the forecast, average daytime temperatures will range from 32°C to 34°C, average nighttime temperatures will range from 26°C to 28°C, cooler conditions are expected after monsoon arrival, and increased humidity will persist throughout the month. As rain activity increases, daytime temperatures are projected to settle closer to 31°C to 32°C during the second half of June.
Week by Week Mumbai Weather Forecast for June 2026
| Week | Weather Conditions | Temperature Range | What to Expect |
|---|---|---|---|
| Week 1 (June 1-7) | Mostly sunny initially, light rain showers by weekend, rising humidity | High: 34°C, Low: 28°C | Uncomfortable humidity, shift from summer to rainy weather |
| Week 2 (June 8-14) | Light to moderate rainfall, thunderstorms, frequent cloud cover | High: 33°C-34°C, Low: 27°C-29°C | Monsoon onset, sudden heavy rain spells, slower travel times |
| Week 3 (June 15-21) | Daily rain spells, mostly cloudy, occasional heavy downpours | High: 31°C-32°C, Low: 26°C | Relief from summer heat, consistent rainfall |
| Week 4 (June 22-30) | Continuous rainfall, dense cloud cover, peak monsoon activity | High: 31°C, Low: 26°C | Wettest period of the month, prolonged wet conditions |
June 2026 Mumbai Weather Summary
| Weather Metric | Expected Value |
|---|---|
| Average High Temperature | 32°C |
| Average Low Temperature | 26°C |
| Estimated Rainy Days | 17 to 18 days |
| Rainfall Outlook | Highly abundant |
| Historical Rainfall Range | Approximately 280mm to 630mm |
These figures indicate that rainfall will play a major role in shaping daily life across Mumbai throughout June.
Yellow Alert Issued for Mumbai
A Yellow Alert remains active due to intense pre monsoon thunderstorms, early southwest monsoon arrival, heavy rainfall potential, localized flooding risks, and transport disruptions. Authorities are encouraging residents to stay updated with weather advisories before undertaking long journeys or outdoor activities.
Flight and Transport Disruption Advisory
Heavy rainfall often impacts Mumbai transport infrastructure, and June 2026 may be no exception.
- Flight Operations: Air travelers should remain prepared for flight delays, route diversions, weather related operational disruptions, and schedule adjustments. Passengers are advised to verify flight status before leaving for the airport
- Local Transit Challenges: Heavy rainfall has already affected some low lying transportation corridors. Areas of concern include Andheri Subway, waterlogging prone routes, and low elevation transport bottlenecks
- Road and Rail Travel: Commuters should expect delays on Western Express Highway, delays on Eastern Express Highway, slower road movement during heavy rain, and possible restrictions affecting local train operations
Planning additional travel time may help reduce inconvenience during peak monsoon conditions.
High Tide and Coastal Safety Advisory
Mumbai coastal geography makes high tide monitoring especially important during monsoon season.
| High Tide Information | Details |
|---|---|
| Peak tidal event date | June 26, 2026 |
| Expected wave height | Up to 4.75 metres |
| Coastal areas requiring caution | Marine Drive, Juhu Beach, Dadar Chowpatty, Bandra Standway |
When heavy rainfall coincides with high tide periods, drainage systems may face additional pressure. This can result in rapid water accumulation, street flooding, slower traffic movement, and localized travel disruptions.
Monsoon Safety Checklist for Mumbai Residents
Preparing properly can help reduce weather related inconveniences.
Clothing and Footwear
Recommended items include waterproof footwear, high grip shoes, windproof raincoats, and durable umbrellas. These items can improve safety while navigating slippery roads and waterlogged streets.
Protecting Electronics and Documents
Residents are advised to carry waterproof pouches, dry bags, and ziplock storage bags to help protect important belongings from rain exposure.
Health Precautions
The rainy season often requires additional health awareness. Suggested preparations include mosquito repellent, personal hygiene essentials, and waterproof storage for medicines.
Monitor Weather Updates Regularly
Before traveling, residents should monitor rainfall updates, local civic advisories, transport alerts, flooding warnings, and high tide notifications.
Conclusion
Mumbai June 2026 weather forecast indicates a rapid shift from humid pre monsoon conditions to a full scale rainy season. Temperatures are expected to remain relatively stable between 31°C and 34°C, while rainfall activity increases significantly after the arrival of the southwest monsoon. With an estimated 17 to 18 rainy days, abundant rainfall, active Yellow Alerts, transport disruptions, and high tide concerns, residents and travelers should remain prepared throughout the month. Staying informed, planning journeys carefully, and following safety precautions will be essential as Mumbai experiences one of the most important phases of its annual weather cycle.
Frequently Asked Questions
Q1. When is the monsoon expected to arrive in Mumbai in June 2026?
A1. The southwest monsoon is expected to arrive around June 5 to June 6, 2026.
Q2. What is the Yellow Alert for Mumbai?
A2. The Yellow Alert is active due to intense pre monsoon thunderstorms, early monsoon arrival, heavy rainfall potential, localized flooding risks, and possible transport disruptions.
Q3. How many rainy days are expected in Mumbai during June 2026?
A3. Mumbai is expected to experience approximately 17 to 18 rainy days during June 2026.
Q4. When is the peak high tide event in Mumbai during June 2026?
A4. A significant high tide event is projected for June 26, 2026, with expected wave heights up to 4.75 metres.
Q5. What coastal areas should be avoided during high tide and heavy rain?
A5. Residents and visitors should avoid spending extended periods near Marine Drive, Juhu Beach, Dadar Chowpatty, and Bandra Standway during high tide and heavy rainfall conditions.