30YearWeather
Hiroshima, October 19
Hiroshima street view during October
Historical Weather Analysis

Hiroshima Weather on October 19 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

21.6°C

High

13.2°C

Low

20%

Rain

☀️ Feels like 21.9°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

October 19 is generally a great time to visit Hiroshima. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 22°C weather. As it's peak season for Hiroshima, we recommend booking your stay well in advance to secure the best rates.

Currency

JPY

¥ Japanese yen

Language

Japanese

Driving

Left side

Connect

Public wireless LAN is available at publ...

Safety

Very High Safety

GPI: 1.336

Hiroshima Weather Forecast for October 19

"Mild & Comfortable. Expect average highs of 21.6°C. 20% chance of rain."

What to Wear in Hiroshima in October

Based on historical data for October 19, Hiroshima typically experiences temperatures between 13.2°C and 21.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Hiroshima

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

21.6°C

Daytime Peak

Average Low

extreme-cold

13.2°C

Nighttime Low

Feels Like

partly-cloudy-day

21.9°C

☀️ Feels accurate

Rain Chance

rain

20%

Avg 1.3mm if it rains

Cloud Cover

cloudy

49%

Overcast

Pressure

pressure

1019 hPa

Medium volatility

Hiroshima Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

91%Highly Predictable

Based on 10 years of data

Temperature
±2.8°CModerate
Precipitation
10-40%Moderate

🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.6Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 50 min to burn

Type III-IV

🟡 75 min to burn

Type V-VI

🟢 125 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

82Excellent
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

17°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
24.1°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.26m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Japan

Flight Traffic

High

90/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~26

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Hiroshima

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:19

☀️ Noon

11:56

🌇 Sunset

17:33

⏱️ Daylight

11h 14m

Golden Hour
Morning06:19 - 06:53
16:59 - 17:33Evening

Wind Speed

wind

10.9 km/h

Light breeze

Sunshine

clear-day

7.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

75%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Hiroshima

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 Hiroshima

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

84/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1019 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
62AQI
Moderate
PM2.5 Concentration25.4 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):55
In Oct (30y):4
Last in Oct:2019-10-07
💡 Occasional tremors possible. Know your hotel's evacuation route.
Very High

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, Hiroshima on October 19 averages 21.6°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 99/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Hiroshima Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
24.5°C
Coldest
2021
9.4°C
Rainiest
2024
22.5mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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Same date (October 19) in other destinations

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📍 Is Hiroshima Worth Visiting on October 19?

Planning a trip to Hiroshima on October 19? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 21.6°C with a 20% historical precipitation risk.

✈️ Travel Logistics: Approximately 26 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 24.1°C (swimming pool). Wave conditions are generally lake-like with heights around 0.26m.

📊 Historical Extremes: The hottest October 19 recorded in the last 30 years saw temperatures hit 24.5°C in 2023, while the coldest dropped to 9.4°C in 2021.

Hiroshima Weather FAQ