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Monthly climate in Koka, Shiga, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Koka features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (39 °F) and 28 °C (82 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1788 mm (70.4 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Koka enjoys an average of 2933 hours of sunshine throughout the year, and daylight varies from 9 hours 49 minutes to 14 hours 27 minutes per day.

Monthly average temperatures in Koka, Shiga, Japan §

The warmest months in Koka 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 4 to 6 °C (39 - 44 °F) throughout the day. On average each year, Koka experiences 103 days above 25 °C (77.0 °F) and 36 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Koka, Shiga, 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
(60°F)		 19°C
(67°F)		 23°C
(74°F)		 27°C
(81°F)		 32°C
(89°F)		 32°C
(90°F)		 37°C
(98°F)		 37°C
(99°F)		 35°C
(96°F)		 31°C
(88°F)		 24°C
(76°F)		 21°C
(71°F)
Mean maximum 13°C
(56°F)		 16°C
(60°F)		 21°C
(70°F)		 25°C
(76°F)		 30°C
(85°F)		 30°C
(86°F)		 34°C
(94°F)		 36°C
(96°F)		 33°C
(91°F)		 29°C
(84°F)		 22°C
(72°F)		 16°C
(62°F)
Average high 8°C
(46°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 30°C
(86°F)		 32°C
(90°F)		 27°C
(82°F)		 22°C
(72°F)		 16°C
(62°F)		 10°C
(51°F)
Daily mean 4°C
(39°F)		 5°C
(40°F)		 9°C
(48°F)		 13°C
(56°F)		 19°C
(66°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 24°C
(75°F)		 18°C
(65°F)		 12°C
(53°F)		 6°C
(44°F)
Average low 0°C
(33°F)		 1°C
(33°F)		 4°C
(40°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 23°C
(74°F)		 25°C
(77°F)		 20°C
(69°F)		 14°C
(58°F)		 8°C
(46°F)		 3°C
(37°F)
Mean minimum -4°C
(25°F)		 -4°C
(25°F)		 -1°C
(30°F)		 1°C
(35°F)		 7°C
(45°F)		 13°C
(57°F)		 20°C
(69°F)		 20°C
(69°F)		 15°C
(58°F)		 8°C
(47°F)		 2°C
(36°F)		 -2°C
(29°F)
Minimum -7°C
(19°F)		 -7°C
(20°F)		 -3°C
(27°F)		 -1°C
(30°F)		 4°C
(40°F)		 11°C
(52°F)		 19°C
(66°F)		 18°C
(64°F)		 12°C
(54°F)		 6°C
(44°F)		 2°C
(35°F)		 -5°C
(24°F)

Compare climate in Koka with other places

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

Monthly average precipitation in Koka, Shiga, Japan §

Koka usually has the most precipitation in July, August and October, with an average of 17 rainy days and 260 mm (10.2 inches) of precipitation per month.The driest months in Koka are January, February and November. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Koka, Shiga, 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) 53 (2.1) 58 (2.3) 136 (5.3) 146 (5.8) 163 (6.4) 174 (6.8) 301 (11.8) 207 (8.2) 168 (6.6) 271 (10.7) 47 (1.8) 64 (2.5)
Average precipitation days (≥ 1 mm) 7 7 12 11 12 14 22 16 15 14 6 8

Monthly sunshine hours in Koka, Shiga, Japan §

The sunniest months in Koka are April, May and August, when the sun shines an average of 9 hours 12 minutes a day.Least sunny months in Koka: January, February and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Koka, Shiga, 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 178 220 261 270 283 264 249 292 234 231 230 215
Mean daily daylight hours 10h 4m 10h 53m 11h 58m 13h 4m 14h 0m 14h 27m 14h 14m 13h 25m 12h 22m 11h 16m 10h 19m 9h 49m

Solar UV radiation in Koka, Shiga, Japan §

Koka experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November 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 Koka UV Index data.

Average daily maximum UV levels by month for Koka, Shiga, 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 6 8 10 11 11 11 11 10 7 5 3