May 20 is generally a great time to visit Riga. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 18°C weather. Moderate travel demand makes this an excellent time for a balanced Riga experience.
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Essential Travel Info for Riga
Currency
EUR
€ Euro
Language
Latvian
Driving
Right side
Safety
High Safety
GPI: 1.673
Riga Weather Forecast for May 20
"Mild & Comfortable. Expect average highs of 17.8°C. 24% chance of rain."
What to Wear in Riga in May
Based on historical data for May 20, Riga typically experiences temperatures between 8.7°C and 17.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Riga
Smart Suitcase
- Light Jacket
- Long Pants
Average High
17.8°C
Daytime Peak
Average Low
8.7°C
Nighttime Low
Feels Like
17.8°C
🌤️ Feels accurate
Rain Chance
24%
Avg 1.4mm if it rains
Cloud Cover
58%
Overcast
Pressure
1014.3 hPa
Medium volatility
Riga Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
03:00 - 10:00
16:00 - 20:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.5°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
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Latvia
Flight Traffic
Moderate
44/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~96
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Riga
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
03:58
☀️ Noon
12:21
🌇 Sunset
20:44
⏱️ Daylight
16h 46m
Wind Speed
17.9 km/h
Gentle breeze
Sunshine
12.1 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Riga
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 Riga
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
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, Riga on May 20 averages 17.8°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Riga Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 27
18.9°C • 23% rain
Score
93
May 26
18.7°C • 22% rain
Score
92
May 22
18.1°C • 21% rain
Score
91
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 20) in other destinations
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📍 Is Riga Worth Visiting on May 20?
Planning a trip to Riga on May 20? 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 17.8°C with a 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 96 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Latvia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 12°C (polar plunge). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest May 20 recorded in the last 30 years saw temperatures hit 28.7°C in 2019, while the coldest dropped to 3.9°C in 2020.