Hiroshima, Japan Climate

Weather: 30.93°C/87.67°F, Wind SW at 1.54 km/h, 80% Humidity, 0% Chance of rain

Japan
(Photo by Steffen Triekels on Unsplash)

Hiroshima Climate Summary

Located at an elevation of 13.25 meters (43.47 feet) above sea level, Hiroshima has a Humid subtropical, no dry season climate (Classification: Cfa). The city’s yearly temperature is 15.34ºC (59.61ºF) and it is 0.15% higher than Japan’s averages. Hiroshima typically receives about 87.04 millimeters (3.43 inches) of precipitation and has 107.72 rainy days (29.51% of the time) annually.

Country Japan
Longitude 132.4553055
Latitude 34.3852894
Attitude/Elevation 13.25m (43.47ft)
Local time Thursday 12:28
Annual high temperature 18.13ºC (64.63ºF)
Annual low temperature 10.49ºC (50.88ºF)
Average annual precip. 87.04mm (3.43in)
Warmest month August (30.13ºC / 86.23ºF)
Coldest Month January (0.45ºC / 32.81ºF)
Wettest Month July (209.06mm / 8.23in)
Driest Month January (38.66mm / 1.52in)
Number of days with rainfall (≥ 1.0 mm) 107.72 days (29.51%)
Days with no rain 257.28 days (70.49%)
Humidity 79.01%

Climate Hiroshima: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 14.0(57.2) 18.0(64.4) 22.0(71.6) 28.0(82.4) 30.0(86.0) 30.0(86.0) 36.0(96.8) 37.0(98.6) 33.0(91.4) 28.0(82.4) 24.0(75.2) 20.0(68.0) 37.0(98.6)
Average high °C (°F) 6.65(43.97) 7.86(46.15) 11.71(53.08) 16.5(61.7) 21.95(71.51) 24.58(76.24) 28.21(82.78) 30.13(86.23) 25.92(78.66) 20.56(69.01) 14.86(58.75) 8.63(47.53) 18.13(64.63)
Daily mean °C (°F) 4.14(39.45) 5.1(41.18) 8.65(47.57) 13.38(56.08) 18.88(65.98) 22.03(71.65) 25.84(78.51) 27.32(81.18) 22.93(73.27) 17.47(63.45) 12.07(53.73) 6.26(43.27) 15.34(59.61)
Average low °C (°F) 0.45(32.81) 0.81(33.46) 3.42(38.16) 7.53(45.55) 12.36(54.25) 16.69(62.04) 21.06(69.91) 22.29(72.12) 18.21(64.78) 12.81(55.06) 7.7(45.86) 2.55(36.59) 10.49(50.88)
Record low °C (°F) -9.0(15.8) -8.0(17.6) -4.0(24.8) -3.0(26.6) 4.0(39.2) 10.0(50.0) 13.0(55.4) 17.0(62.6) 10.0(50.0) 5.0(41.0) 0.0(0) -6.0(21.2) -9.0(15.8)
Average precipitation mm (inches) 38.66(1.52) 45.54(1.79) 73.9(2.91) 83.77(3.3) 74.75(2.94) 163.41(6.43) 209.06(8.23) 75.47(2.97) 106.45(4.19) 78.65(3.1) 41.35(1.63) 53.41(2.1) 87.04(3.43)
Average precipitation days (≥ 1.0 mm) 4.91 6.82 8.27 9.0 9.09 13.82 13.73 11.45 10.45 7.09 6.0 7.09 8.98
Average relative humidity (%) 78.52 77.25 75.14 74.84 74.5 82.54 84.79 80.77 81.29 79.65 79.41 79.45 79.01
Mean monthly sunshine hours 6.69 7.43 9.78 11.82 12.58 12.65 12.45 12.65 11.17 7.66 7.51 6.81 9.93

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Hiroshima in recent years.

Hiroshima

Hiroshima Temperature by Month

August
27.32°C | 81.18°F
July
25.84°C | 78.51°F
September
22.93°C | 73.27°F
June
22.03°C | 71.65°F
May
18.88°C | 65.98°F
October
17.47°C | 63.45°F
April
13.38°C | 56.08°F
November
12.07°C | 53.73°F
March
8.65°C | 47.57°F
December
6.26°C | 43.27°F
February
5.1°C | 41.18°F
January
4.14°C | 39.45°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Temperature Max Average Min
Max Temperature 37.0°C (98.6°F) 31.94°C (89.49°F) 29.0°C (84.2°F)
Avg Temperature 33.0°C (91.4°F) 29.0°C (84.2°F) 26.0°C (78.8°F)
Min Temperature 27.0°C (80.6°F) 23.87°C (74.97°F) 22.0°C (71.6°F)
Dew Point Max Average Min
Dew Point 25.0°C (77.0°F) 23.03°C (73.45°F) 22.0°C (71.6°F)
Precipitation Max Average Min Sum
Precipitation 20.2mm | 0.8in 2.6mm | 0.1in 0.0mm | 0in 80.7mm | 3.18in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 15.0kmh | 9.32mph 6.13kmh | 3.81mph 4.0kmh | 2.49mph
Gust Wind 24.0kmh | 14.91mph 9.16kmh | 5.69mph 5.0kmh | 3.11mph
Sea Level Pressure Max Average Min
Sea Level Pressure 20.2mb 2.6mb 0.0mb
Hiroshima

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
August ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2020-08-01 28 | 82.4 22 | 71.6 80 4 | 2.49 29.91 | 1013 0.0 | 0.0
2020-08-02 28 | 82.4 22 | 71.6 78 5 | 3.11 29.91 | 1013 0.5 | 0.02
2020-08-03 27 | 80.6 23 | 73.4 84 6 | 3.73 29.88 | 1012 0.0 | 0.0
2020-08-04 27 | 80.6 23 | 73.4 83 5 | 3.11 29.94 | 1014 0.0 | 0.0
2020-08-05 29 | 84.2 23 | 73.4 79 5 | 3.11 30.0 | 1016 0.0 | 0.0
2020-08-06 26 | 78.8 22 | 71.6 83 9 | 5.59 29.91 | 1013 0.1 | 0.0
2020-08-07 27 | 80.6 23 | 73.4 86 9 | 5.59 29.83 | 1010 19.4 | 0.76
2020-08-08 27 | 80.6 23 | 73.4 85 11 | 6.84 29.77 | 1008 2.5 | 0.1
2020-08-09 27 | 80.6 23 | 73.4 83 9 | 5.59 29.83 | 1010 1.4 | 0.06
2020-08-10 27 | 80.6 23 | 73.4 84 15 | 9.32 29.83 | 1010 6.2 | 0.24
2020-08-11 27 | 80.6 24 | 75.2 89 8 | 4.97 29.91 | 1013 4.4 | 0.17
2020-08-12 27 | 80.6 23 | 73.4 86 6 | 3.73 29.97 | 1015 0.5 | 0.02
2020-08-13 29 | 84.2 24 | 75.2 83 6 | 3.73 29.88 | 1012 1.2 | 0.05
2020-08-14 30 | 86.0 24 | 75.2 79 5 | 3.11 29.83 | 1010 0.0 | 0.0
2020-08-15 30 | 86.0 23 | 73.4 73 4 | 2.49 29.83 | 1010 0.0 | 0.0
2020-08-16 31 | 87.8 22 | 71.6 65 4 | 2.49 29.85 | 1011 0.0 | 0.0
2020-08-17 32 | 89.6 22 | 71.6 65 5 | 3.11 29.88 | 1012 0.0 | 0.0
2020-08-18 33 | 91.4 22 | 71.6 61 5 | 3.11 29.88 | 1012 0.0 | 0.0
2020-08-19 32 | 89.6 25 | 77.0 74 4 | 2.49 29.83 | 1010 0.0 | 0.0
2020-08-20 31 | 87.8 25 | 77.0 76 4 | 2.49 29.88 | 1012 0.0 | 0.0
2020-08-21 31 | 87.8 23 | 73.4 72 4 | 2.49 29.91 | 1013 1.1 | 0.04
2020-08-22 30 | 86.0 24 | 75.2 78 5 | 3.11 29.85 | 1011 20.2 | 0.8
2020-08-23 29 | 84.2 24 | 75.2 80 4 | 2.49 29.77 | 1008 4.1 | 0.16
2020-08-24 29 | 84.2 23 | 73.4 80 5 | 3.11 29.71 | 1006 0.6 | 0.02
2020-08-25 29 | 84.2 23 | 73.4 78 4 | 2.49 29.74 | 1007 0.7 | 0.03
2020-08-26 29 | 84.2 23 | 73.4 77 8 | 4.97 29.74 | 1007 0.1 | 0.0
2020-08-27 28 | 82.4 23 | 73.4 79 11 | 6.84 29.74 | 1007 10.0 | 0.39
2020-08-28 28 | 82.4 22 | 71.6 77 6 | 3.73 29.8 | 1009 0.0 | 0.0
2020-08-29 30 | 86.0 22 | 71.6 73 4 | 2.49 29.83 | 1010 0.0 | 0.0
2020-08-30 30 | 86.0 23 | 73.4 76 5 | 3.11 29.83 | 1010 3.3 | 0.13
2020-08-31 31 | 87.8 23 | 73.4 72 5 | 3.11 29.83 | 1010 4.4 | 0.17

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