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Monthly climate in Kamikawa, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kamikawa features a humid continental climate (Dfb). Temperatures typically range between -11 °C (12 °F) and 18 °C (65 °F) through the year, but rarely can drop to -24 °C (-10 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1592 mm (62.7 inches) and receives 225 rainy days on the 1 mm (0.04 inches) threshold annually. Kamikawa enjoys an average of 2922 hours of sunshine throughout the year, and daylight varies from 8 hours 57 minutes to 15 hours 23 minutes per day.

Monthly average temperatures in Kamikawa, Japan

The warmest months in Kamikawa are July, August and September, with daily mean temperatures ranging from 13 to 18 °C (56 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -9 °C (12 - 16 °F) throughout the day. On average each year, Kamikawa experiences 8 days above 25 °C (77.0 °F) and 169 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kamikawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum0°C
(33°F)		5°C
(41°F)		11°C
(52°F)		16°C
(60°F)		29°C
(84°F)		25°C
(77°F)		28°C
(83°F)		28°C
(83°F)		26°C
(79°F)		20°C
(69°F)		12°C
(53°F)		9°C
(48°F)
Mean maximum-2°C
(29°F)		1°C
(34°F)		7°C
(45°F)		13°C
(55°F)		22°C
(73°F)		21°C
(70°F)		27°C
(80°F)		27°C
(80°F)		23°C
(74°F)		18°C
(64°F)		11°C
(52°F)		4°C
(39°F)
Average high-8°C
(17°F)		-7°C
(20°F)		-1°C
(31°F)		5°C
(41°F)		13°C
(55°F)		16°C
(61°F)		21°C
(70°F)		21°C
(69°F)		17°C
(63°F)		11°C
(51°F)		2°C
(36°F)		-6°C
(22°F)
Daily mean-11°C
(12°F)		-10°C
(14°F)		-4°C
(25°F)		1°C
(35°F)		9°C
(48°F)		13°C
(55°F)		18°C
(65°F)		17°C
(64°F)		13°C
(56°F)		6°C
(44°F)		-1°C
(30°F)		-9°C
(16°F)
Average low-14°C
(6°F)		-13°C
(9°F)		-7°C
(19°F)		-2°C
(28°F)		5°C
(40°F)		9°C
(49°F)		15°C
(59°F)		14°C
(58°F)		9°C
(49°F)		2°C
(36°F)		-5°C
(23°F)		-12°C
(11°F)
Mean minimum-21°C
(-6°F)		-20°C
(-4°F)		-15°C
(6°F)		-9°C
(16°F)		-2°C
(28°F)		3°C
(38°F)		10°C
(51°F)		7°C
(45°F)		2°C
(36°F)		-5°C
(24°F)		-13°C
(8°F)		-20°C
(-3°F)
Minimum-23°C
(-10°F)		-24°C
(-10°F)		-18°C
(-1°F)		-10°C
(14°F)		-4°C
(26°F)		-1°C
(31°F)		6°C
(43°F)		5°C
(41°F)		-1°C
(30°F)		-7°C
(20°F)		-18°C
(-0°F)		-22°C
(-8°F)

Compare climate in Kamikawa with other places

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

Monthly average precipitation in Kamikawa, Japan

Kamikawa usually has the most precipitation in August, October and November, with an average of 19 rainy days and 177 mm (7.0 inches) of precipitation per month. The driest months in Kamikawa are January, February and April. On average, 96 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kamikawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)84 (3.3)107 (4.2)117 (4.6)97 (3.8)125 (4.9)131 (5.2)145 (5.7)205 (8.1)111 (4.4)161 (6.4)166 (6.5)143 (5.6)
Average precipitation days (≥ 1 mm)192218171717151714172428

Monthly sunshine hours in Kamikawa, Japan

The sunniest months in Kamikawa are May, June and July, when the sun shines an average of 9 hours 34 minutes a day. Least sunny months in Kamikawa: January, November and December receive an average of 5 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kamikawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours157201251281297285298272257232189195
Mean daily daylight hours9h 18m10h 27m11h 56m13h 26m14h 43m15h 23m15h 3m13h 55m12h 28m10h 58m9h 39m8h 57m

Solar UV radiation in Kamikawa, Japan

Kamikawa experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Kamikawa UV Index data.

Average daily maximum UV levels by month for Kamikawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)236891010108532