May 15 is generally a great time to visit Guanajuato. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 29°C weather. Guanajuato is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Guanajuato
Currency
MXN
$ Mexican peso
Language
Spanish
Driving
Right side
Safety
Travel Precautions
GPI: 2.612
Guanajuato Weather Forecast for May 15
"Warm & Sunny. Expect average highs of 29°C. 16% chance of rain."
What to Wear in Guanajuato in May
Based on historical data for May 15, Guanajuato typically experiences temperatures between 14.7°C and 29°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Guanajuato
Smart Suitcase
- T-Shirt
- Light Clothing
- Layers (Onion System)
Average High
29°C
Daytime Peak
Average Low
14.7°C
Nighttime Low
Feels Like
28.9°C
🔥 Feels accurate
Rain Chance
16%
Avg 0.8mm if it rains
Cloud Cover
40%
Overcast
Pressure
1014.1 hPa
Low volatility
Guanajuato Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 50+, limit exposure 10am-4pm
06:00 - 10:00
16:00 - 19:00
Type I-II
🔴 9 min to burn
Type III-IV
🟡 14 min to burn
Type V-VI
🟢 23 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.1°C
Pleasant
Heat Index
28.9°C
Feels hotter
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Mexico
Flight Traffic
High
89/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~33
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Guanajuato
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:08
☀️ Noon
12:42
🌇 Sunset
19:16
⏱️ Daylight
13h 8m
Wind Speed
17.4 km/h
Gentle breeze
Sunshine
12.0 hrs
Direct Sun (Cloud-free)
Humidity
43%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Guanajuato
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Guanajuato
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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, Guanajuato on May 15 averages 29°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Guanajuato Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 8
29.6°C • 12% rain
Score
100
May 9
29.5°C • 12% rain
Score
100
May 10
29.3°C • 13% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 15) in other destinations
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📍 Is Guanajuato Worth Visiting on May 15?
Planning a trip to Guanajuato on May 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 33 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Mexico, including COVID-19.
📊 Historical Extremes: The hottest May 15 recorded in the last 30 years saw temperatures hit 32.6°C in 2024, while the coldest dropped to 12.4°C in 2023.