March 21 is statistically one of the best days of the year in Riyadh. With minimal rain risk (9%) and pleasant highs of 28°C, it's ideal for outdoor adventures. Riyadh is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Riyadh
Currency
SAR
ر.س Saudi riyal
Language
Arabic
Driving
Right side
Connect
Internet cafes can be found in the compu...
Safety
Moderate Safety
GPI: 2.288
Riyadh Weather Forecast for March 21
"Warm & Sunny. Expect average highs of 28.4°C. 9% chance of rain."
What to Wear in Riyadh in March
Based on historical data for March 21, Riyadh typically experiences temperatures between 15.6°C and 28.4°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (9% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Riyadh
Smart Suitcase
- T-Shirt
- Light Clothing
- Layers (Onion System)
Average High
28.4°C
Daytime Peak
Average Low
15.6°C
Nighttime Low
Feels Like
28.4°C
🔥 Feels accurate
Rain Chance
9%
Avg 0.3mm if it rains
Cloud Cover
29%
Clear sky
Pressure
1013.2 hPa
Low volatility
Riyadh Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9.6°C
Dry air
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Saudi Arabia
Flight Traffic
High
94/100 pressure index
Health Advisory
Required
3 vaccines • View Details →
Landing Slots
~381
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Riyadh
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:57
☀️ Noon
12:01
🌇 Sunset
18:05
⏱️ Daylight
12h 7m
Wind Speed
22.9 km/h
Moderate wind
Sunshine
10.1 hrs
Direct Sun (Cloud-free)
Humidity
31%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Riyadh
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Riyadh
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Hazardous. Stay indoors. Seal windows and doors.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Riyadh on March 21 averages 28.4°C with a 9% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Riyadh Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (March 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Riyadh Worth Visiting on March 21?
Planning a trip to Riyadh on March 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 28.4°C with a 9% historical precipitation risk.
✈️ Travel Logistics: Approximately 381 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Saudi Arabia, including COVID-19.
📊 Historical Extremes: The hottest March 21 recorded in the last 30 years saw temperatures hit 35.8°C in 2018, while the coldest dropped to 13.4°C in 2017.