Historical data suggests significant rain risk (85%) on January 31. If you seek sun, consider a different date. Bring rain gear! Jakarta is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Jakarta
Currency
IDR
Rp Indonesian rupiah
Language
Indonesian
Driving
Left side
Connect
The area code for Jakarta and the metrop...
Safety
High Safety
GPI: 1.8
Jakarta Weather Forecast for January 31
"Rainy & Overcast. Expect average highs of 28.8°C. 85% chance of rain."
What to Wear in Jakarta in January
Based on historical data for January 31, Jakarta typically experiences temperatures between 23.5°C and 28.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 85% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Jakarta
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.8°C
Daytime Peak
Average Low
23.5°C
Nighttime Low
Feels Like
35.5°C
🔥 Heat index effect
Rain Chance
85%
Avg 9.4mm if it rains
Cloud Cover
94%
Moderate rain
Pressure
1010 hPa
Low volatility
Jakarta 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 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 21 min to burn
Type III-IV
🟡 32 min to burn
Type V-VI
🟢 53 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26.2°C
Humid/Sticky
Heat Index
35.5°C
Feels hotter
😕 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Indonesia
Flight Traffic
High
98/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~614
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Jakarta
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:55
☀️ Noon
12:07
🌇 Sunset
18:18
⏱️ Daylight
12h 22m
Wind Speed
13.7 km/h
Gentle breeze
Sunshine
8.1 hrs
Direct Sun (Cloud-free)
Humidity
86%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Jakarta
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 Jakarta
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
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
Active seismic zone. Multiple earthquakes per year.
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, Jakarta on January 31 averages 28.8°C with a 85% precipitation probability. Wedding/Outdoor Event Score: 43/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Jakarta Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 25
28.9°C • 80% rain
Score
48
January 24
28.9°C • 81% rain
Score
47
January 26
28.8°C • 84% rain
Score
44
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Jakarta Worth Visiting on January 31?
Planning a trip to Jakarta on January 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.8°C with a 85% historical precipitation risk.
✈️ Travel Logistics: Approximately 614 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 11 vaccinations are recommended for Indonesia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 28.9°C (tropical bath). Wave conditions are generally fun waves with heights around 0.57m.
📊 Historical Extremes: The hottest January 31 recorded in the last 30 years saw temperatures hit 30.4°C in 2022, while the coldest dropped to 22.8°C in 2021.