August 18 is generally a great time to visit Cabo San Lucas. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 32°C weather. Expect a bustling atmosphere in Cabo San Lucas right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Cabo San Lucas
Currency
MXN
$ Mexican peso
Language
Spanish
Driving
Right side
Safety
Travel Precautions
GPI: 2.612
Cabo San Lucas Weather Forecast for August 18
"Warm & Sunny. Expect average highs of 31.8°C. 20% chance of rain."
What to Wear in Cabo San Lucas in August
Based on historical data for August 18, Cabo San Lucas typically experiences temperatures between 26.5°C and 31.8°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Cabo San Lucas
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
31.8°C
Daytime Peak
Average Low
26.5°C
Nighttime Low
Feels Like
40.5°C
🔥 Heat index effect
Rain Chance
20%
Avg 1mm if it rains
Cloud Cover
52%
Overcast
Pressure
1011.2 hPa
Low volatility
Cabo San Lucas Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% 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
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26.1°C
Humid/Sticky
Heat Index
40.5°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Jellyfish Warning
High water temps may attract jellyfish swarms.
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Mexico
Flight Traffic
High
82/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~78
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Cabo San Lucas
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:58
☀️ Noon
12:24
🌇 Sunset
18:51
⏱️ Daylight
12h 52m
Wind Speed
17.1 km/h
Gentle breeze
Sunshine
11.0 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Cabo San Lucas
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Cabo San Lucas
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Eastern Pacific Hurricane Risk
Season: May - Nov
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Cabo San Lucas on August 18 averages 31.8°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Cabo San Lucas 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
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Same date (August 18) in other destinations
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📍 Is Cabo San Lucas Worth Visiting on August 18?
Planning a trip to Cabo San Lucas on August 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31.8°C with a 20% historical precipitation risk.
✈️ Travel Logistics: Approximately 78 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Mexico, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 30°C (hot soup). Wave conditions are generally surfers only with heights around 1.8m.
📊 Historical Extremes: The hottest August 18 recorded in the last 30 years saw temperatures hit 34.5°C in 2018, while the coldest dropped to 25°C in 2023.