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Monthly climate in Funaishikawa, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Funaishikawa features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (40 °F) and 26 °C (80 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 1552 mm (61.1 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually. Funaishikawa enjoys an average of 2961 hours of sunshine throughout the year, and daylight varies from 9 hours 42 minutes to 14 hours 35 minutes per day.

Monthly average temperatures in Funaishikawa, Japan

The warmest months in Funaishikawa are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (73 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (40 - 45 °F) throughout the day. On average each year, Funaishikawa experiences 69 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Funaishikawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		18°C
(64°F)		20°C
(69°F)		23°C
(74°F)		28°C
(83°F)		30°C
(86°F)		33°C
(92°F)		34°C
(93°F)		32°C
(90°F)		29°C
(85°F)		22°C
(71°F)		18°C
(65°F)
Mean maximum13°C
(55°F)		15°C
(60°F)		18°C
(66°F)		22°C
(72°F)		27°C
(80°F)		27°C
(80°F)		31°C
(88°F)		33°C
(92°F)		31°C
(87°F)		27°C
(81°F)		21°C
(70°F)		16°C
(61°F)
Average high8°C
(47°F)		9°C
(48°F)		12°C
(55°F)		16°C
(61°F)		21°C
(70°F)		24°C
(75°F)		27°C
(81°F)		29°C
(85°F)		25°C
(78°F)		20°C
(69°F)		16°C
(61°F)		10°C
(51°F)
Daily mean5°C
(40°F)		5°C
(42°F)		9°C
(48°F)		12°C
(55°F)		18°C
(64°F)		21°C
(70°F)		24°C
(76°F)		26°C
(80°F)		23°C
(73°F)		18°C
(64°F)		13°C
(55°F)		7°C
(45°F)
Average low2°C
(35°F)		2°C
(36°F)		5°C
(42°F)		9°C
(48°F)		14°C
(58°F)		18°C
(65°F)		22°C
(73°F)		24°C
(76°F)		21°C
(69°F)		15°C
(60°F)		10°C
(50°F)		4°C
(40°F)
Mean minimum-2°C
(29°F)		-1°C
(30°F)		0°C
(33°F)		4°C
(39°F)		9°C
(48°F)		15°C
(59°F)		19°C
(66°F)		20°C
(69°F)		16°C
(61°F)		11°C
(51°F)		4°C
(40°F)		0°C
(32°F)
Minimum-4°C
(26°F)		-3°C
(26°F)		-1°C
(31°F)		1°C
(35°F)		8°C
(47°F)		14°C
(57°F)		18°C
(64°F)		18°C
(65°F)		15°C
(58°F)		9°C
(48°F)		2°C
(36°F)		-1°C
(30°F)

Compare climate in Funaishikawa with other places

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

Monthly average precipitation in Funaishikawa, Japan

Funaishikawa usually has the most precipitation in July, September and October, with an average of 17 rainy days and 210 mm (8.3 inches) of precipitation per month. The driest months in Funaishikawa are January, February and December. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Funaishikawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)42 (1.6)148 (5.8)126 (5.0)137 (5.4)140 (5.5)215 (8.4)138 (5.4)176 (6.9)239 (9.4)80 (3.2)63 (2.5)
Average precipitation days (≥ 1 mm)57121213151915171587

Monthly sunshine hours in Funaishikawa, Japan

The sunniest months in Funaishikawa are April, May and August, when the sun shines an average of 9 hours 13 minutes a day. Least sunny months in Funaishikawa: January, October and December receive an average of 6 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Funaishikawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours187235259278282270248287240213231226
Mean daily daylight hours9h 57m10h 50m11h 57m13h 7m14h 6m14h 35m14h 20m13h 29m12h 23m11h 13m10h 13m9h 42m

Solar UV radiation in Funaishikawa, Japan

Funaishikawa experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 Funaishikawa UV Index data.

Average daily maximum UV levels by month for Funaishikawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101111109653