August 18 is statistically one of the best days of the year in Yogyakarta. With minimal rain risk (10%) and pleasant highs of 30°C, it's ideal for outdoor adventures. Yogyakarta is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
View the full calendar
Essential Travel Info for Yogyakarta
Currency
IDR
Rp Indonesian rupiah
Language
Indonesian
Driving
Left side
Connect
The area code for Yogyakarta is 0274....
Safety
High Safety
GPI: 1.8
Yogyakarta Weather Forecast for August 18
"Warm & Sunny. Expect average highs of 30°C. 10% chance of rain."
What to Wear in Yogyakarta in August
Based on historical data for August 18, Yogyakarta typically experiences temperatures between 20.7°C and 30°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (10% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Yogyakarta
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
30°C
Daytime Peak
Average Low
20.7°C
Nighttime Low
Feels Like
36.8°C
🔥 Heat index effect
Rain Chance
10%
Avg 0.4mm if it rains
Cloud Cover
59%
Overcast
Pressure
1012.1 hPa
Low volatility
Yogyakarta Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 84% 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
🔴 44 min to burn
Type III-IV
🟡 66 min to burn
Type V-VI
🟢 110 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.5°C
Humid/Sticky
Heat Index
36.8°C
Feels hotter
😕 Best outdoor time:
Morning hours (before 11 AM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Indonesia
Flight Traffic
High
84/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~41
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Yogyakarta
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:47
☀️ Noon
11:43
🌇 Sunset
17:40
⏱️ Daylight
11h 52m
Wind Speed
16.7 km/h
Gentle breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Yogyakarta
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Yogyakarta
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.
Unhealthy for sensitive groups. Consider wearing a mask outdoors.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
Volcanic Activity
Nearest: Mount Merapi
29.6km away
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, Yogyakarta on August 18 averages 30°C with a 10% precipitation probability. Wedding/Outdoor Event Score: 99/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Yogyakarta Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (August 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Yogyakarta Worth Visiting on August 18?
Planning a trip to Yogyakarta 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 30°C with a 10% historical precipitation risk.
✈️ Travel Logistics: Approximately 41 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Indonesia, including COVID-19.
📊 Historical Extremes: The hottest August 18 recorded in the last 30 years saw temperatures hit 33.8°C in 2025, while the coldest dropped to 18.9°C in 2019.