March 18 is generally a great time to visit Osaka. While there is a slight chance of rain (32%), showers are usually brief. Expect comfortable 14°C weather. As it's peak season for Osaka, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
Essential Travel Info for Osaka
Currency
JPY
¥ Japanese yen
Language
Japanese
Driving
Left side
Safety
Very High Safety
GPI: 1.336
Osaka Weather Forecast for March 18
"Mild & Comfortable. Expect average highs of 14°C. 32% chance of rain."
What to Wear in Osaka in March
Based on historical data for March 18, Osaka typically experiences temperatures between 4.3°C and 14°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 32% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Osaka
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
14°C
Daytime Peak
Average Low
4.3°C
Nighttime Low
Feels Like
13.7°C
🌤️ Feels accurate
Rain Chance
32%
Avg 2.5mm if it rains
Cloud Cover
57%
Overcast
Pressure
1016.5 hPa
Medium volatility
Osaka Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 92% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 27 min to burn
Type III-IV
🟡 41 min to burn
Type V-VI
🟢 68 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9°C
Dry air
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Japan
Flight Traffic
High
92/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~258
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Osaka
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:06
☀️ Noon
12:07
🌇 Sunset
18:08
⏱️ Daylight
12h 1m
Wind Speed
17.2 km/h
Gentle breeze
Sunshine
8.2 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Osaka
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 Osaka
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Typhoon Risk
Year-round risk present
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, Osaka on March 18 averages 14°C with a 32% precipitation probability. Wedding/Outdoor Event Score: 80/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Osaka Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 25
14.9°C • 26% rain
Score
89
March 24
14.5°C • 25% rain
Score
87
March 23
14.1°C • 26% rain
Score
85
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (March 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Osaka Worth Visiting on March 18?
Planning a trip to Osaka on March 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14°C with a 32% historical precipitation risk.
✈️ Travel Logistics: Approximately 258 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 10.6°C (polar plunge). Wave conditions are generally lake-like with heights around 0.4m.
📊 Historical Extremes: The hottest March 18 recorded in the last 30 years saw temperatures hit 18.5°C in 2016, while the coldest dropped to -0.6°C in 2019.