April 21 is statistically one of the best days of the year in Montevideo. With minimal rain risk (13%) and pleasant highs of 20°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Montevideo right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Montevideo
Currency
UYU
$ Uruguayan peso
Language
Spanish
Driving
Right side
Safety
High Safety
GPI: 1.795
Montevideo Weather Forecast for April 21
"Mild & Comfortable. Expect average highs of 20.1°C. 13% chance of rain."
What to Wear in Montevideo in April
Based on historical data for April 21, Montevideo typically experiences temperatures between 14.8°C and 20.1°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Montevideo
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.1°C
Daytime Peak
Average Low
14.8°C
Nighttime Low
Feels Like
20.1°C
☀️ Feels accurate
Rain Chance
13%
Avg 1mm if it rains
Cloud Cover
47%
Overcast
Pressure
1015.8 hPa
Medium volatility
Montevideo 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 15 for extended outdoor time
Type I-II
🔴 47 min to burn
Type III-IV
🟡 71 min to burn
Type V-VI
🟢 118 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.3°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Uruguay
Flight Traffic
High
88/100 pressure index
Health Advisory
Recommended
1 vaccine • View Details →
Landing Slots
~23
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Montevideo
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:13
☀️ Noon
12:44
🌇 Sunset
18:14
⏱️ Daylight
11h 0m
Wind Speed
19.5 km/h
Gentle breeze
Sunshine
8.4 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Montevideo
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Montevideo
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Montevideo on April 21 averages 20.1°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Montevideo Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (April 21) in other destinations
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📍 Is Montevideo Worth Visiting on April 21?
Planning a trip to Montevideo on April 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.1°C with a 13% historical precipitation risk.
✈️ Travel Logistics: Approximately 23 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Uruguay, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.6°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.68m.
📊 Historical Extremes: The hottest April 21 recorded in the last 30 years saw temperatures hit 24.1°C in 2021, while the coldest dropped to 11.1°C in 2023.