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Monthly climate in Ie, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ie features a humid subtropical climate (Cfa). Temperatures typically range between 18 °C (65 °F) and 28 °C (83 °F) through the year, but rarely can drop to 11 °C (53 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 2015 mm (79.3 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Ie enjoys an average of 3075 hours of sunshine throughout the year, and daylight varies from 10 hours 28 minutes to 13 hours 46 minutes per day.

Monthly average temperatures in Ie, Japan

The warmest months in Ie are July, August and September, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 18 to 20 °C (65 - 68 °F) throughout the day. On average each year, Ie experiences 135 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ie. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		26°C
(78°F)		28°C
(82°F)		29°C
(84°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(84°F)		26°C
(80°F)		25°C
(77°F)
Mean maximum23°C
(73°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		26°C
(80°F)		28°C
(83°F)		29°C
(85°F)		30°C
(85°F)		29°C
(85°F)		28°C
(83°F)		26°C
(78°F)		24°C
(75°F)
Average high19°C
(67°F)		19°C
(67°F)		21°C
(69°F)		22°C
(72°F)		24°C
(76°F)		27°C
(81°F)		28°C
(84°F)		29°C
(84°F)		28°C
(83°F)		26°C
(79°F)		24°C
(75°F)		21°C
(70°F)
Daily mean18°C
(65°F)		18°C
(65°F)		20°C
(68°F)		21°C
(70°F)		24°C
(75°F)		26°C
(80°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		26°C
(78°F)		23°C
(73°F)		20°C
(68°F)
Average low17°C
(63°F)		17°C
(63°F)		19°C
(66°F)		20°C
(69°F)		23°C
(74°F)		26°C
(78°F)		27°C
(82°F)		28°C
(82°F)		27°C
(81°F)		25°C
(77°F)		22°C
(72°F)		19°C
(66°F)
Mean minimum13°C
(56°F)		13°C
(56°F)		15°C
(60°F)		16°C
(62°F)		20°C
(68°F)		23°C
(73°F)		26°C
(79°F)		26°C
(80°F)		25°C
(78°F)		22°C
(72°F)		19°C
(67°F)		15°C
(59°F)
Minimum11°C
(53°F)		11°C
(53°F)		14°C
(57°F)		15°C
(59°F)		19°C
(66°F)		21°C
(71°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		21°C
(70°F)		18°C
(65°F)		13°C
(56°F)

Compare climate in Ie with other places

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

Monthly average precipitation in Ie, Japan

Ie usually has the most precipitation in May, June and September, with an average of 17 rainy days and 267 mm (10.5 inches) of precipitation per month. The driest months in Ie are January, February and November. On average, 105 mm (4.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ie. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)102 (4.0)106 (4.2)118 (4.7)145 (5.7)214 (8.4)365 (14.4)175 (6.9)179 (7.1)221 (8.7)133 (5.2)108 (4.3)148 (5.8)
Average precipitation days (≥ 1 mm)111213121220111519121015

Monthly sunshine hours in Ie, Japan

The sunniest months in Ie are May, July and August, when the sun shines an average of 10 hours 5 minutes a day. Least sunny months in Ie: January, February and December receive an average of 5 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ie. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours151199264266303266315319295272228192
Mean daily daylight hours10h 39m11h 14m12h 0m12h 47m13h 27m13h 46m13h 36m13h 2m12h 17m11h 30m10h 49m10h 28m

Solar UV radiation in Ie, Japan

Ie experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Ie UV Index data.

Average daily maximum UV levels by month for Ie. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)7911121313131312986