November 21 is generally a great time to visit Phnom Penh. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 30°C weather. Expect a bustling atmosphere in Phnom Penh right now—this is when the city truly comes alive with visitors.
View the full calendar
Essential Travel Info for Phnom Penh
Currency
KHR
៛ Cambodian riel
Language
Khmer
Driving
Right side
Connect
Cheap SIM cards from US$2 for GSM phones...
Safety
High Safety
GPI: 1.882
Phnom Penh Weather Forecast for November 21
"Warm & Sunny. Expect average highs of 30.3°C. 26% chance of rain."
What to Wear in Phnom Penh in November
Based on historical data for November 21, Phnom Penh typically experiences temperatures between 23.7°C and 30.3°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Phnom Penh
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
30.3°C
Daytime Peak
Average Low
23.7°C
Nighttime Low
Feels Like
37.7°C
🔥 Heat index effect
Rain Chance
26%
Avg 1.4mm if it rains
Cloud Cover
74%
Overcast
Pressure
1010.3 hPa
Low volatility
Phnom Penh Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 93% 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
🔴 200 min to burn
Type III-IV
🟡 300 min to burn
Type V-VI
🟢 500 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.8°C
Humid/Sticky
Heat Index
37.7°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Cambodia
Flight Traffic
High
88/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~52
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Phnom Penh
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:00
☀️ Noon
11:47
🌇 Sunset
17:34
⏱️ Daylight
11h 33m
Wind Speed
15.6 km/h
Gentle breeze
Sunshine
9.2 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Phnom Penh
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 Phnom Penh
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Phnom Penh on November 21 averages 30.3°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Phnom Penh Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
November 28
30.6°C • 22% rain
Score
92
November 26
30.6°C • 22% rain
Score
91
November 27
30.6°C • 22% rain
Score
91
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (November 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Phnom Penh Worth Visiting on November 21?
Planning a trip to Phnom Penh on November 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.3°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 52 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Cambodia, including COVID-19.
📊 Historical Extremes: The hottest November 21 recorded in the last 30 years saw temperatures hit 33.1°C in 2024, while the coldest dropped to 21.6°C in 2025.