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Monthly climate in Hatsukaichi, Hiroshima, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hatsukaichi features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (42 °F) and 28 °C (82 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1847 mm (72.7 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually.Hatsukaichi enjoys an average of 3113 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Hatsukaichi, Hiroshima, Japan §

The warmest months in Hatsukaichi are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (75 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (42 - 46 °F) throughout the day. On average each year, Hatsukaichi experiences 89 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hatsukaichi, Hiroshima, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 15°C
(59°F)		 20°C
(68°F)		 22°C
(71°F)		 24°C
(76°F)		 28°C
(83°F)		 29°C
(85°F)		 35°C
(95°F)		 35°C
(96°F)		 33°C
(92°F)		 29°C
(85°F)		 23°C
(74°F)		 20°C
(69°F)
Mean maximum 13°C
(56°F)		 15°C
(60°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(80°F)		 28°C
(83°F)		 33°C
(91°F)		 34°C
(94°F)		 32°C
(89°F)		 28°C
(82°F)		 22°C
(72°F)		 17°C
(62°F)
Average high 9°C
(48°F)		 10°C
(50°F)		 14°C
(57°F)		 18°C
(65°F)		 22°C
(73°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(88°F)		 27°C
(81°F)		 22°C
(72°F)		 17°C
(63°F)		 11°C
(52°F)
Daily mean 5°C
(42°F)		 6°C
(43°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(66°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 24°C
(75°F)		 19°C
(66°F)		 13°C
(55°F)		 7°C
(46°F)
Average low 2°C
(37°F)		 2°C
(37°F)		 6°C
(43°F)		 10°C
(50°F)		 15°C
(59°F)		 19°C
(67°F)		 24°C
(75°F)		 25°C
(77°F)		 21°C
(70°F)		 16°C
(60°F)		 9°C
(49°F)		 4°C
(40°F)
Mean minimum -1°C
(30°F)		 -1°C
(30°F)		 1°C
(35°F)		 4°C
(39°F)		 9°C
(49°F)		 16°C
(60°F)		 21°C
(70°F)		 22°C
(71°F)		 16°C
(61°F)		 10°C
(50°F)		 4°C
(39°F)		 0°C
(33°F)
Minimum -4°C
(25°F)		 -4°C
(26°F)		 1°C
(33°F)		 2°C
(36°F)		 7°C
(45°F)		 14°C
(57°F)		 18°C
(65°F)		 20°C
(67°F)		 15°C
(60°F)		 8°C
(46°F)		 2°C
(36°F)		 -1°C
(31°F)

Compare climate in Hatsukaichi with other places

Compare temperature, precipitation, sunshine, UV index in Hatsukaichi, Hiroshima, Japan with other places around the world.

Monthly average precipitation in Hatsukaichi, Hiroshima, Japan §

Hatsukaichi usually has the most precipitation in July, August and September, with an average of 15 rainy days and 293 mm (11.5 inches) of precipitation per month.The driest months in Hatsukaichi are January, November and December. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hatsukaichi, Hiroshima, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 49 (1.9) 69 (2.7) 125 (4.9) 137 (5.4) 136 (5.4) 181 (7.1) 386 (15.2) 256 (10.1) 237 (9.3) 172 (6.8) 37 (1.5) 61 (2.4)
Average precipitation days (≥ 1 mm) 6 7 10 9 9 14 19 14 14 10 5 6

Monthly sunshine hours in Hatsukaichi, Hiroshima, Japan §

The sunniest months in Hatsukaichi are May, June and August, when the sun shines an average of 9 hours 48 minutes a day.Least sunny months in Hatsukaichi: January, February and December receive an average of 6 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hatsukaichi, Hiroshima, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 183 227 265 282 302 291 281 307 260 254 237 220
Mean daily daylight hours 10h 8m 10h 56m 11h 58m 13h 2m 13h 55m 14h 22m 14h 9m 13h 22m 12h 21m 11h 18m 10h 22m 9h 54m

Solar UV radiation in Hatsukaichi, Hiroshima, Japan §

Hatsukaichi experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Hatsukaichi UV Index data.

Average daily maximum UV levels by month for Hatsukaichi, Hiroshima, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 5 8 11 11 11 12 12 10 7 6 4