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Monthly climate in Hikari, Yamaguchi, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hikari features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (45 °F) and 28 °C (82 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1826 mm (71.9 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Hikari enjoys an average of 3124 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 21 minutes per day.

Monthly average temperatures in Hikari, Yamaguchi, Japan §

The warmest months in Hikari are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (76 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (45 - 49 °F) throughout the day. On average each year, Hikari experiences 76 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hikari, Yamaguchi, 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 16°C
(60°F)		 16°C
(62°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 27°C
(81°F)		 33°C
(91°F)		 33°C
(91°F)		 31°C
(88°F)		 28°C
(83°F)		 23°C
(73°F)		 20°C
(68°F)
Mean maximum 14°C
(57°F)		 14°C
(57°F)		 18°C
(64°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(78°F)		 31°C
(87°F)		 32°C
(90°F)		 30°C
(86°F)		 27°C
(80°F)		 22°C
(71°F)		 17°C
(63°F)
Average high 9°C
(49°F)		 10°C
(49°F)		 13°C
(56°F)		 16°C
(62°F)		 20°C
(69°F)		 24°C
(75°F)		 27°C
(82°F)		 29°C
(85°F)		 26°C
(80°F)		 22°C
(72°F)		 17°C
(63°F)		 12°C
(53°F)
Daily mean 7°C
(45°F)		 7°C
(45°F)		 11°C
(51°F)		 14°C
(58°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(59°F)		 9°C
(49°F)
Average low 5°C
(41°F)		 5°C
(41°F)		 8°C
(47°F)		 12°C
(53°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(76°F)		 26°C
(79°F)		 23°C
(73°F)		 18°C
(65°F)		 12°C
(55°F)		 7°C
(45°F)
Mean minimum 1°C
(35°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(44°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(71°F)		 24°C
(75°F)		 19°C
(66°F)		 13°C
(56°F)		 8°C
(46°F)		 3°C
(37°F)
Minimum -2°C
(29°F)		 -1°C
(30°F)		 3°C
(37°F)		 6°C
(42°F)		 10°C
(51°F)		 16°C
(61°F)		 20°C
(68°F)		 22°C
(72°F)		 18°C
(65°F)		 12°C
(53°F)		 7°C
(44°F)		 1°C
(34°F)

Compare climate in Hikari with other places

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

Monthly average precipitation in Hikari, Yamaguchi, Japan §

Hikari usually has the most precipitation in July, August and September, with an average of 14 rainy days and 264 mm (10.4 inches) of precipitation per month.The driest months in Hikari are January, November and December. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hikari, Yamaguchi, 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) 54 (2.1) 79 (3.1) 127 (5.0) 146 (5.7) 159 (6.3) 189 (7.5) 355 (14.0) 221 (8.7) 215 (8.5) 173 (6.8) 43 (1.7) 64 (2.5)
Average precipitation days (≥ 1 mm) 7 9 9 8 8 12 17 12 13 9 6 8

Monthly sunshine hours in Hikari, Yamaguchi, Japan §

The sunniest months in Hikari are May, June and August, when the sun shines an average of 9 hours 45 minutes a day.Least sunny months in Hikari: January, February and December receive an average of 7 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hikari, Yamaguchi, 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 183 231 268 283 303 286 279 307 260 258 239 222
Mean daily daylight hours 10h 9m 10h 56m 11h 58m 13h 1m 13h 55m 14h 21m 14h 8m 13h 21m 12h 21m 11h 18m 10h 23m 9h 55m

Solar UV radiation in Hikari, Yamaguchi, Japan §

Hikari 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 Hikari UV Index data.

Average daily maximum UV levels by month for Hikari, Yamaguchi, 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