Hey Bali Daily Weather Report: Sunday, 21 December 2025

Bali Daily Weather - Rainy

High-intensity afternoon thunderstorms are expected to close the weekend across central and southern Bali.

Compared to the previous day, rainfall may arrive later but with stronger convective storms, increasing risks of ground movement in Ubud and extreme marine conditions along the southern coastline.

1. Daily Forecast Summary & RealFeel

Sources: AccuWeather & Weather Underground

ParameterToday’s ForecastKey Notes
Air Temperature24°C – 31°CStable range, but the air feels heavy and oppressive.
RealFeel TemperatureAround 35°CHumidity near 92% makes conditions feel hotter than measured.
Peak Rain Window14:00 – 19:00 WITAShort-duration but intense thunderstorms likely.
Wind Speed20 – 40 km/hStrong westerly burst may topple unsecured signage and light structures.

2. Regional Weather Forecast (Key Tourist Areas)

Sources: BMKG & Windy.com

Key ZoneDominant ConditionsImpact / Advisory
Kuta, Seminyak, CangguCloudy morning, afternoon thunderstormsStrong coastal winds. Watch for flying objects around beach clubs.
Ubud (Central Highlands)Heavy rain, landslide riskCritical status: Soil fully saturated. Jalan Raya Ubud remains under close monitoring.
Uluwatu, Nusa Dua (South)Partly cloudy, strong windsVery dangerous near cliff edges. Avoid standing or taking photos close to drop-offs.
Denpasar, Sanur (Urban Areas)Moderate rain in the afternoonLocalized flooding possible in low-lying areas during return traffic.

3. High-Risk Zones and Hazard Advisory

Geological Hazard – Ubud
The main access along Jalan Raya Ubud near the BRI Bank and Dewa Indra statue remains high risk following a deep road collapse. Obey full road closure barriers.

Falling Trees and Vegetation Risk
Following recent incidents in Badung, avoid parking under large or old trees, particularly in green corridors of Gianyar and Badung.

Wildlife Awareness
Continuous rainfall may drive wildlife such as monitor lizards or snakes into drier residential areas. Remain alert in open spaces, as seen in recent viral footage.

Bali Map Daily Weather Report: Sunday, 21 December 2025

4. Maritime and Coastal Conditions

Source: Windy.com Swell Visualization

AreaConditionsAdvisory
Southern Swell3.5 – 4.5 metersExtremely dangerous. Strong rip currents along the entire south coast.
Fast Boat CrossingsPotential cancellationsAfternoon services from Sanur to Nusa Penida may be suspended if winds increase.
Air Transport (DPS Airport)Delay riskCumulonimbus clouds near the airport may disrupt afternoon landings.

5. Practical Guidance for Today

Weekend Logistics
If returning south from Ubud, depart before 12:00 WITA to avoid the combination of heavy rain and congestion on Mas alternative routes.

Property Safety
Ensure villa drainage is clear. Westerly winds are strong enough to move lightweight outdoor furniture.

Health Advisory
Humidity at 92% increases dehydration risk even without direct sunshine. Aim for at least three liters of water today.

6. Safety Advice for Expats and Tourists in Bali

For Long-Stay Expats
Monitor local advisories closely, especially around Ubud and Badung. Avoid non-essential travel during the afternoon storm window.

For Short-Term Tourists
Skip beach and cliff activities today. Plan indoor alternatives and follow hotel safety instructions.

Key Reminder
Short breaks of calm weather do not indicate safety. Storm intensity can increase rapidly in the afternoon.

Data Sources & Forecast Models

• BMKG: Official early warnings and risk assessment
Windy.com: Wind, swell, and rainfall visualization
• AccuWeather: RealFeel temperature and hourly forecast
• The Weather Channel / Weather Underground: Community data and hyperlocal accuracy

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