April 21 is statistically one of the best days of the year in Mumbai. With minimal rain risk (0%) and pleasant highs of 33°C, it's ideal for outdoor adventures. Mumbai is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Mumbai
Currency
INR
₹ Indian rupee
Language
English
+2 more
Driving
Left side
Connect
The area code for Mumbai is "22" (prefix...
Safety
Travel Precautions
GPI: 2.578
Mumbai Weather Forecast for April 21
"Warm & Sunny. Expect average highs of 33.3°C. 0% chance of rain."
What to Wear in Mumbai in April
Based on historical data for April 21, Mumbai typically experiences temperatures between 25.2°C and 33.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (0% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Mumbai
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
33.3°C
Daytime Peak
Average Low
25.2°C
Nighttime Low
Feels Like
45.4°C
🔥 Heat index effect
Rain Chance
0%
Avg 0mm if it rains
Cloud Cover
18%
Partly cloudy
Pressure
1008.4 hPa
Low volatility
Mumbai Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
06:00 - 10:00
16:00 - 19:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
27.5°C
Humid/Sticky
Heat Index
45.4°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in India
Flight Traffic
High
99/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~458
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Mumbai
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:48
☀️ Noon
13:08
🌇 Sunset
19:28
⏱️ Daylight
12h 40m
Wind Speed
19.4 km/h
Gentle breeze
Sunshine
11.8 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Mumbai
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Mumbai
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Very unhealthy. Avoid outdoor activities. Wear N95 mask if you must go out.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Cyclone Risk
Season: Apr - Dec
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Mumbai on April 21 averages 33.3°C with a 0% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Mumbai Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
April 14
33.1°C • 0% rain
Score
99
April 15
33°C • 0% rain
Score
99
April 16
33°C • 0% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 21) in other destinations
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📍 Is Mumbai Worth Visiting on April 21?
Planning a trip to Mumbai on April 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 33.3°C with a 0% historical precipitation risk.
✈️ Travel Logistics: Approximately 458 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 11 vaccinations are recommended for India, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 30.8°C (hot soup). Wave conditions are generally fun waves with heights around 0.69m.
📊 Historical Extremes: The hottest April 21 recorded in the last 30 years saw temperatures hit 38.5°C in 2022, while the coldest dropped to 23.1°C in 2019.