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Monthly climate in Uwajima, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Uwajima features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (45 °F) and 28 °C (83 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1825 mm (71.9 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Uwajima enjoys an average of 3104 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 17 minutes per day.

Monthly average temperatures in Uwajima, Japan

The warmest months in Uwajima are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (77 - 83 °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, Uwajima experiences 110 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Uwajima. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(64°F)		20°C
(69°F)		23°C
(74°F)		26°C
(78°F)		30°C
(87°F)		30°C
(86°F)		35°C
(96°F)		36°C
(97°F)		33°C
(92°F)		30°C
(86°F)		25°C
(78°F)		23°C
(73°F)
Mean maximum16°C
(61°F)		17°C
(63°F)		21°C
(71°F)		24°C
(76°F)		28°C
(83°F)		29°C
(84°F)		33°C
(92°F)		35°C
(95°F)		33°C
(91°F)		29°C
(84°F)		23°C
(74°F)		18°C
(65°F)
Average high11°C
(51°F)		11°C
(53°F)		16°C
(61°F)		20°C
(68°F)		24°C
(75°F)		26°C
(79°F)		29°C
(85°F)		31°C
(89°F)		28°C
(83°F)		24°C
(75°F)		18°C
(66°F)		13°C
(55°F)
Daily mean7°C
(45°F)		8°C
(46°F)		12°C
(54°F)		16°C
(61°F)		20°C
(68°F)		23°C
(74°F)		27°C
(80°F)		28°C
(83°F)		25°C
(77°F)		20°C
(68°F)		14°C
(58°F)		9°C
(49°F)
Average low4°C
(39°F)		4°C
(40°F)		8°C
(46°F)		11°C
(53°F)		16°C
(61°F)		19°C
(67°F)		24°C
(75°F)		25°C
(77°F)		22°C
(71°F)		16°C
(61°F)		10°C
(50°F)		6°C
(42°F)
Mean minimum-1°C
(31°F)		-0°C
(32°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		16°C
(60°F)		21°C
(70°F)		22°C
(72°F)		17°C
(63°F)		10°C
(50°F)		4°C
(39°F)		1°C
(35°F)
Minimum-2°C
(28°F)		-2°C
(28°F)		1°C
(35°F)		3°C
(38°F)		8°C
(46°F)		14°C
(57°F)		19°C
(66°F)		20°C
(69°F)		16°C
(61°F)		9°C
(48°F)		2°C
(37°F)		0°C
(32°F)

Compare climate in Uwajima with other places

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

Monthly average precipitation in Uwajima, Japan

Uwajima usually has the most precipitation in June, July and October, with an average of 13 rainy days and 254 mm (10.0 inches) of precipitation per month. The driest months in Uwajima are January, November and December. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Uwajima. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)53 (2.1)86 (3.4)129 (5.1)126 (5.0)165 (6.5)215 (8.5)353 (13.9)192 (7.5)192 (7.6)194 (7.7)58 (2.3)62 (2.5)
Average precipitation days (≥ 1 mm)81011810141614151077

Monthly sunshine hours in Uwajima, Japan

The sunniest months in Uwajima are April, May and August, when the sun shines an average of 9 hours 39 minutes a day. Least sunny months in Uwajima: January, February and December receive an average of 6 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Uwajima. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours183230270283296272280308264258239215
Mean daily daylight hours10h 12m10h 58m11h 58m13h 0m13h 52m14h 17m14h 4m13h 19m12h 20m11h 19m10h 26m9h 58m

Solar UV radiation in Uwajima, Japan

Uwajima experiences the highest level of ultraviolet (UV) radiation in May, 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 Uwajima UV Index data.

Average daily maximum UV levels by month for Uwajima. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)469101211121211764