Indonesia Jakarta Weather in January — Climate Guide
January in Jakarta is low
January is low for Jakarta.
January is the wettest month in Jakarta, with rain on roughly 21 days and frequent street flooding that snarls traffic. Lean on indoor plans — the National Museum, the Kota Tua museums, and the malls along Sudirman — and use the MRT to skip the gridlock. Hotels are at their cheapest, but the weather makes this the least appealing window of the year.
Travel score
Jakarta January Weather Stats
Avg High
30°C
Avg Low
24°C
Rainy Days
21
380mm total
Sunshine
5h
Daily avg
Humidity
85%
humid
UV Index
9
Very high
Wind
7 km/h
Gusts 14
Sea Temp
0°C
Not for swimming
Crowds
Quiet
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
40 μg/m³
PM10
80 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
33°C
Nighttime
25°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 14 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- Lowest hotel prices of the year
Cons
- Rain on ~21 days, with flooding
January Events & Festivals
- Peak wet season — heaviest rain and flooding of the year
Jakarta in January — Full Picture
January is the wettest month in Jakarta, with rain on roughly 21 days and frequent street flooding that snarls traffic. Lean on indoor plans — the National Museum, the Kota Tua museums, and the malls along Sudirman — and use the MRT to skip the gridlock. Hotels are at their cheapest, but the weather makes this the least appealing window of the year.
What to Wear & What to Pack
Peak wet season. Short sleeves plus a rain jacket and waterproof shoes — afternoon downpours are heavy, and street flooding is common.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.7°C
24°C
10.3/mo
Summer (Jun·Jul·Aug)
32°C
23°C
5/mo
Autumn (Sep·Oct·Nov)
31.7°C
24°C
9.3/mo
Winter (Dec·Jan·Feb)
Current30°C
24°C
19/mo
Jakarta Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 30° | 24° | 21d·380mm | 5h | 85% | 9 | Quiet | Low season | |
| 30° | 24° | 18d·350mm | 6h | 85% | 9 | Quiet | Low season | |
| 31° | 24° | 14d·200mm | 7h | 80% | 11 | Moderate | Shoulder | |
| 32° | 24° | 10d·130mm | 8h | 78% | 11 | Moderate | Shoulder | |
| May (Best) | 32° | 24° | 7d·100mm | 9h | 75% | 11 | Busy | Peak |
| June (Best) | 32° | 23° | 6d·80mm | 9h | 70% | 11 | Busy | Peak |
| July (Best) | 32° | 23° | 5d·60mm | 9h | 70% | 11 | Very busy | Peak |
| August (Best) | 32° | 23° | 4d·50mm | 10h | 70% | 11 | Very busy | Peak |
| September (Best) | 32° | 24° | 5d·70mm | 9h | 72% | 11 | Busy | Peak |
| 32° | 24° | 9d·130mm | 8h | 75% | 11 | Moderate | Shoulder | |
| 31° | 24° | 14d·250mm | 7h | 80% | 11 | Quiet | Low season | |
| 30° | 24° | 18d·320mm | 5h | 85% | 9 | Moderate | Shoulder |
View Other Months
Jakarta January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Jakarta?
Jakarta in January is low. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Jakarta in January?
Jakarta January averages a high of 30°C and a low of 24°C.
Does it rain much in Jakarta in January?
Jakarta January averages 380mm of rainfall over about 21 rainy days.
What should I wear in Jakarta in January?
Peak wet season. Short sleeves plus a rain jacket and waterproof shoes — afternoon downpours are heavy, and street flooding is common.
What time are sunrise and sunset in Jakarta in January?
Jakarta January sunrise is 05:30 and sunset is 18:10, with 12h 40min of daylight.
What's the air quality like in Jakarta in January?
Jakarta January air quality (AQI) averages 90, rated Moderate. PM2.5 averages 40μg/m³.
What activities are recommended in Jakarta in January?
In January, Jakarta is great for Indoor sights, Museums.
Is January peak season in Jakarta?
Jakarta January crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Jakarta
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.