August 20 is generally a great time to visit Riga. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 22°C weather. Riga is seeing high visitor numbers, so iconic spots may be busier than usual.
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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 August 20
"Mild & Comfortable. Expect average highs of 22°C. 28% chance of rain."
What to Wear in Riga in August
Based on historical data for August 20, Riga typically experiences temperatures between 14.4°C and 22°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Riga
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
22°C
Daytime Peak
Average Low
14.4°C
Nighttime Low
Feels Like
22.3°C
☀️ Feels accurate
Rain Chance
28%
Avg 1.7mm if it rains
Cloud Cover
58%
Overcast
Pressure
1014.5 hPa
Medium volatility
Riga Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% 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
🔴 28 min to burn
Type III-IV
🟡 42 min to burn
Type V-VI
🟢 70 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.6°C
Noticeable
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 Latvia
Flight Traffic
Busy
68/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~147
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Riga
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:02
☀️ Noon
12:28
🌇 Sunset
19:55
⏱️ Daylight
14h 53m
Wind Speed
17.8 km/h
Gentle breeze
Sunshine
10.9 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Riga
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Riga
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very 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 August 20 averages 22°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— 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
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Riga Worth Visiting on August 20?
Planning a trip to Riga on August 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 22°C with a 28% historical precipitation risk.
✈️ Travel Logistics: Approximately 147 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 20.5°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest August 20 recorded in the last 30 years saw temperatures hit 27.2°C in 2022, while the coldest dropped to 11.5°C in 2019.