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Monthly climate in Tosa, Kochi, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tosa features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (45 °F) and 27 °C (81 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 35 °C (94 °F).The average annual precipitation amounts to about 2859 mm (112.6 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually.Tosa enjoys an average of 3173 hours of sunshine throughout the year, and daylight varies from 9 hours 57 minutes to 14 hours 19 minutes per day.

Monthly average temperatures in Tosa, Kochi, Japan §

The warmest months in Tosa are July, August and September, with daily mean temperatures ranging from 25 to 27 °C (76 - 81 °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, Tosa experiences 91 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tosa, Kochi, 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 18°C
(66°F)		 20°C
(69°F)		 23°C
(73°F)		 24°C
(75°F)		 27°C
(81°F)		 29°C
(85°F)		 34°C
(93°F)		 35°C
(94°F)		 31°C
(89°F)		 29°C
(84°F)		 23°C
(74°F)		 21°C
(71°F)
Mean maximum 16°C
(60°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(73°F)		 26°C
(79°F)		 28°C
(82°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(88°F)		 28°C
(82°F)		 23°C
(73°F)		 18°C
(65°F)
Average high 11°C
(51°F)		 11°C
(53°F)		 15°C
(60°F)		 19°C
(66°F)		 22°C
(72°F)		 25°C
(77°F)		 28°C
(83°F)		 30°C
(86°F)		 27°C
(81°F)		 23°C
(74°F)		 18°C
(65°F)		 13°C
(55°F)
Daily mean 7°C
(45°F)		 8°C
(46°F)		 12°C
(53°F)		 15°C
(59°F)		 19°C
(67°F)		 22°C
(72°F)		 26°C
(79°F)		 27°C
(81°F)		 25°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(49°F)
Average low 4°C
(40°F)		 4°C
(40°F)		 8°C
(46°F)		 11°C
(53°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(75°F)		 25°C
(77°F)		 22°C
(72°F)		 17°C
(63°F)		 11°C
(52°F)		 6°C
(43°F)
Mean minimum 0°C
(33°F)		 1°C
(33°F)		 3°C
(38°F)		 5°C
(41°F)		 10°C
(50°F)		 16°C
(62°F)		 22°C
(71°F)		 23°C
(73°F)		 18°C
(64°F)		 11°C
(52°F)		 5°C
(42°F)		 2°C
(36°F)
Minimum -2°C
(29°F)		 -1°C
(30°F)		 2°C
(36°F)		 4°C
(39°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 21°C
(70°F)		 15°C
(60°F)		 10°C
(51°F)		 5°C
(41°F)		 1°C
(34°F)

Compare climate in Tosa with other places

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

Monthly average precipitation in Tosa, Kochi, Japan §

Tosa usually has the most precipitation in July, September and October, with an average of 19 rainy days and 421 mm (16.6 inches) of precipitation per month.The driest months in Tosa are January, November and December. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tosa, Kochi, 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) 69 (2.7) 100 (3.9) 179 (7.1) 203 (8.0) 231 (9.1) 314 (12.4) 579 (22.8) 337 (13.3) 348 (13.7) 337 (13.3) 81 (3.2) 80 (3.1)
Average precipitation days (≥ 1 mm) 5 8 13 10 12 17 24 21 20 13 7 7

Monthly sunshine hours in Tosa, Kochi, Japan §

The sunniest months in Tosa are May, July and August, when the sun shines an average of 9 hours 42 minutes a day.Least sunny months in Tosa: January, February and December receive an average of 7 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tosa, Kochi, 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 194 238 274 287 298 280 291 313 266 256 242 230
Mean daily daylight hours 10h 11m 10h 57m 11h 58m 13h 0m 13h 53m 14h 19m 14h 6m 13h 20m 12h 21m 11h 19m 10h 25m 9h 57m

Solar UV radiation in Tosa, Kochi, Japan §

Tosa experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Tosa UV Index data.

Average daily maximum UV levels by month for Tosa, Kochi, 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 9 11 11 12 12 12 10 7 6 4