Hiroshima, Japan Climate

Weather: 17.93°C/64.27°F, Wind SW at 1.2 km/h, 75% Humidity, 0% Chance of rain

Japan
(Photo by Steffen Triekels on Unsplash)
Contents

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.

CountryJapan
Longitude132.4553055
Latitude34.3852894
Attitude/Elevation13.25m (43.47ft)
Local timeSaturday 17:35
Annual high temperature18.13ºC (64.63ºF)
Annual low temperature10.49ºC (50.88ºF)
Average annual precip.87.04mm (3.43in)
Warmest monthAugust (30.13ºC / 86.23ºF)
Coldest MonthJanuary (0.45ºC / 32.81ºF)
Wettest MonthJuly (209.06mm / 8.23in)
Driest MonthJanuary (38.66mm / 1.52in)
Number of days with rainfall (≥ 1.0 mm)107.72 days (29.51%)
Days with no rain257.28 days (70.49%)
Humidity79.01%

Climate Hiroshima: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
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)4.916.828.279.09.0913.8213.7311.4510.457.096.07.098.98
Average relative humidity (%)78.5277.2575.1474.8474.582.5484.7980.7781.2979.6579.4179.4579.01
Mean monthly sunshine hours6.697.439.7811.8212.5812.6512.4512.6511.177.667.516.819.93

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
TemperatureMaxAverageMin
Max Temperature37.0°C (98.6°F)31.94°C (89.49°F)29.0°C (84.2°F)
Avg Temperature33.0°C (91.4°F)29.0°C (84.2°F)26.0°C (78.8°F)
Min Temperature27.0°C (80.6°F)23.87°C (74.97°F)22.0°C (71.6°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)23.03°C (73.45°F)22.0°C (71.6°F)
PrecipitationMaxAverageMinSum
Precipitation20.2mm | 0.8in2.6mm | 0.1in0.0mm | 0in80.7mm | 3.18in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind15.0kmh | 9.32mph6.13kmh | 3.81mph4.0kmh | 2.49mph
Gust Wind24.0kmh | 14.91mph9.16kmh | 5.69mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure20.2mb2.6mb0.0mb
Hiroshima

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-08-0128 | 82.422 | 71.6804 | 2.4929.91 | 10130.0 | 0.0
2020-08-0228 | 82.422 | 71.6785 | 3.1129.91 | 10130.5 | 0.02
2020-08-0327 | 80.623 | 73.4846 | 3.7329.88 | 10120.0 | 0.0
2020-08-0427 | 80.623 | 73.4835 | 3.1129.94 | 10140.0 | 0.0
2020-08-0529 | 84.223 | 73.4795 | 3.1130.0 | 10160.0 | 0.0
2020-08-0626 | 78.822 | 71.6839 | 5.5929.91 | 10130.1 | 0.0
2020-08-0727 | 80.623 | 73.4869 | 5.5929.83 | 101019.4 | 0.76
2020-08-0827 | 80.623 | 73.48511 | 6.8429.77 | 10082.5 | 0.1
2020-08-0927 | 80.623 | 73.4839 | 5.5929.83 | 10101.4 | 0.06
2020-08-1027 | 80.623 | 73.48415 | 9.3229.83 | 10106.2 | 0.24
2020-08-1127 | 80.624 | 75.2898 | 4.9729.91 | 10134.4 | 0.17
2020-08-1227 | 80.623 | 73.4866 | 3.7329.97 | 10150.5 | 0.02
2020-08-1329 | 84.224 | 75.2836 | 3.7329.88 | 10121.2 | 0.05
2020-08-1430 | 86.024 | 75.2795 | 3.1129.83 | 10100.0 | 0.0
2020-08-1530 | 86.023 | 73.4734 | 2.4929.83 | 10100.0 | 0.0
2020-08-1631 | 87.822 | 71.6654 | 2.4929.85 | 10110.0 | 0.0
2020-08-1732 | 89.622 | 71.6655 | 3.1129.88 | 10120.0 | 0.0
2020-08-1833 | 91.422 | 71.6615 | 3.1129.88 | 10120.0 | 0.0
2020-08-1932 | 89.625 | 77.0744 | 2.4929.83 | 10100.0 | 0.0
2020-08-2031 | 87.825 | 77.0764 | 2.4929.88 | 10120.0 | 0.0
2020-08-2131 | 87.823 | 73.4724 | 2.4929.91 | 10131.1 | 0.04
2020-08-2230 | 86.024 | 75.2785 | 3.1129.85 | 101120.2 | 0.8
2020-08-2329 | 84.224 | 75.2804 | 2.4929.77 | 10084.1 | 0.16
2020-08-2429 | 84.223 | 73.4805 | 3.1129.71 | 10060.6 | 0.02
2020-08-2529 | 84.223 | 73.4784 | 2.4929.74 | 10070.7 | 0.03
2020-08-2629 | 84.223 | 73.4778 | 4.9729.74 | 10070.1 | 0.0
2020-08-2728 | 82.423 | 73.47911 | 6.8429.74 | 100710.0 | 0.39
2020-08-2828 | 82.422 | 71.6776 | 3.7329.8 | 10090.0 | 0.0
2020-08-2930 | 86.022 | 71.6734 | 2.4929.83 | 10100.0 | 0.0
2020-08-3030 | 86.023 | 73.4765 | 3.1129.83 | 10103.3 | 0.13
2020-08-3131 | 87.823 | 73.4725 | 3.1129.83 | 10104.4 | 0.17

Hiroshima 10 Year Historical Weather Data

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