Hiroshima, Japan Weather

Current: 20.93°C/69.67°F, Wind SW at 3.71 km/h, 63% Humidity, 0% Chance of rain

  1. Hiroshima, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Hiroshima over the next 12 hours
  7. Temperature and possibility of rain in Hiroshima in the coming days
  8. Rainfall in Hiroshima in the coming days
  9. Hiroshima Weather Summary
  10. Weather averages by month
  11. Hiroshima's weather
  12. Frequently asked questions
  13. Comments
Hiroshima, Weather
(Photo by Griffin Quinn on Unsplash)

Current conditions

Updated: 18:45 PM Saturday 18 May 2024
21°C
69.8°F
°C °F

Condition: Overcast Clouds

Pressure: 1,019 hPa

Sea level: 1,019 hPa

Temperature: 20.72°C

Cloud: 91%

Humidity: 63%

Wind: NNW 2.7 km/h

Visibility: 10,000 m

Weather forecast

Wed
24 Apr
17°C
Rain
Thu
25 Apr
20°C
Clear
Fri
26 Apr
20°C
Clouds
Sat
27 Apr
23°C
Clouds
Sun
28 Apr
22°C
Clouds
Hourly forecast today:
19:00 PM
17° / 21°
17° / 21°
Overcast Clouds
63% 3.71 km/h
20:00 PM
17° / 20°
17° / 20°
Overcast Clouds
62% 6.16 km/h
21:00 PM
16° / 19°
16° / 19°
Overcast Clouds
62% 5.0 km/h
22:00 PM
16° / 18°
16° / 18°
Overcast Clouds
62% 5.83 km/h
23:00 PM
16° / 17°
16° / 17°
Overcast Clouds
62% 5.98 km/h

30 Day Averages and Extremes

  • Average high 25.16°C
  • Average low 16.96°C
  • Hottest day (08 June 2024) 29.59°C
  • Coldest day (18 May 2024) 11.86°C
  • Average humidity 73.47%
  • Days with precipitation 8 days
  • Highest precipitation 95.49 mm (07 May 2024)

Yesterday's Data

  • Max: 19°C
  • Min: 14°C
  • Total Precipitation: 6.19 mm

Temperature and possibility of rain in Hiroshima over the next 12 hours

Temperature and possibility of rain in Hiroshima in the coming days

Rainfall in Hiroshima in the coming days

Hiroshima Climate Summary

Hiroshima features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 15.34ºC (59.61ºF), which is about 0.15% higher than the national average for Japan. Annually, the city experiences approximately 87.04 millimeters (3.43 inches) of rainfall, spread across 107.72 rainy days, accounting for 29.51% of the year.

Longitude 34.3852894
Latitude 132.4553055
Yearly high temperature 18.13ºC (64.63ºF)
Yearly low temperature 10.49ºC (50.88ºF)
Hottest month August 30.13ºC (86.23ºF)
Coldest month January 0.45ºC (32.81ºF)
Yearly precip 87.04mm (3.43in)
Days with rainfall 107.72 days (29.51%)
Driest month January (78.52%)
Wettest month July (84.79%)

Weather averages by month

Month High / Low (°C) Rain
January 6.65° / 0.45° 4.91 days
February 7.86° / 0.81° 6.82 days
March 11.71° / 3.42° 8.27 days
April 16.5° / 7.53° 9.0 days
May 21.95° / 12.36° 9.09 days
June 24.58° / 16.69° 13.82 days
July 28.21° / 21.06° 13.73 days
August 30.13° / 22.29° 11.45 days
September 25.92° / 18.21° 10.45 days
October 20.56° / 12.81° 7.09 days
November 14.86° / 7.7° 6.0 days
December 8.63° / 2.55° 7.09 days

Hiroshima's weather

See more

Frequently asked questions

1. What is the hottest month in Hiroshima?

August has the highest average monthly temperature (daily mean of 30.13ºC) and January are the coolest (daily mean of 0.45ºC).

2. What should I wear in Hiroshima today?

For today's mild weather in Hiroshima, with temperatures between 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Long-sleeve shirt or blouse
- Cotton socks
- Sun hat (if spending time outdoors)
- Lightweight sweater or cardigan

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Temperature

Day
17°C
Night
14°C
Morning
17°C
Afternoon
19°C

Air quality

Moderate

Moderate air quality, health effects possible for sensitive people, general public usually unaffected

  • CO 293.73
  • NH3 0.67
  • NO 0.03
  • NO2 6.51
  • O3 105.86
  • PM10 7.39
  • PM25 6.52
  • SO2 3.07

Sunrise / Sunset

03:06 AM
17:07 PM