May 21 is statistically one of the best days of the year in Moab. With minimal rain risk (7%) and pleasant highs of 27°C, it's ideal for outdoor adventures. It's a quieter period for Moab, ideal for those who prefer unhurried sightseeing.
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Essential Travel Info for Moab
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Moab Weather Forecast for May 21
"Warm & Sunny. Expect average highs of 26.9°C. 7% chance of rain."
What to Wear in Moab in May
Based on historical data for May 21, Moab typically experiences temperatures between 12.9°C and 26.9°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (7% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Moab
Smart Suitcase
- T-Shirt
- Light Clothing
- Layers (Onion System)
Average High
26.9°C
Daytime Peak
Average Low
12.9°C
Nighttime Low
Feels Like
26.9°C
☀️ Feels accurate
Rain Chance
7%
Avg 0.2mm if it rains
Cloud Cover
42%
Overcast
Pressure
1009.1 hPa
Medium volatility
Moab Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 83% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 12 min to burn
Type III-IV
🟡 18 min to burn
Type V-VI
🟢 30 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
6.3°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 United States
Flight Traffic
Quiet
22/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~2
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Moab
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:03
☀️ Noon
12:16
🌇 Sunset
19:29
⏱️ Daylight
14h 26m
Wind Speed
18.9 km/h
Gentle breeze
Sunshine
12.6 hrs
Direct Sun (Cloud-free)
Humidity
27%
Dry air
Travel Intelligence
Exclusive flight analytics & health data for Moab
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Moab
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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Moab on May 21 averages 26.9°C with a 7% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Moab Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 21) in other destinations
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📍 Is Moab Worth Visiting on May 21?
Planning a trip to Moab on May 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 26.9°C with a 7% historical precipitation risk.
✈️ Travel Logistics: Approximately 2 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest May 21 recorded in the last 30 years saw temperatures hit 30.5°C in 2018, while the coldest dropped to 5.7°C in 2022.