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Monthly climate in Obama, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Obama features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 27 °C (81 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 2361 mm (93.0 inches) and receives 203 rainy days on the 1 mm (0.04 inches) threshold annually. Obama enjoys an average of 2966 hours of sunshine throughout the year, and daylight varies from 9 hours 47 minutes to 14 hours 30 minutes per day.

Monthly average temperatures in Obama, Japan

The warmest months in Obama are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Obama experiences 69 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Obama. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		18°C
(65°F)		20°C
(68°F)		24°C
(75°F)		29°C
(84°F)		29°C
(84°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		27°C
(82°F)		23°C
(73°F)		20°C
(69°F)
Mean maximum12°C
(54°F)		13°C
(56°F)		18°C
(64°F)		21°C
(70°F)		26°C
(79°F)		27°C
(81°F)		31°C
(89°F)		33°C
(91°F)		30°C
(86°F)		26°C
(80°F)		21°C
(70°F)		15°C
(60°F)
Average high7°C
(45°F)		7°C
(45°F)		11°C
(52°F)		15°C
(59°F)		20°C
(69°F)		23°C
(74°F)		28°C
(82°F)		29°C
(85°F)		25°C
(78°F)		20°C
(69°F)		15°C
(60°F)		10°C
(50°F)
Daily mean5°C
(41°F)		5°C
(42°F)		9°C
(48°F)		12°C
(54°F)		17°C
(63°F)		21°C
(70°F)		25°C
(78°F)		27°C
(81°F)		23°C
(74°F)		18°C
(65°F)		13°C
(56°F)		8°C
(46°F)
Average low3°C
(38°F)		3°C
(38°F)		6°C
(43°F)		10°C
(50°F)		15°C
(59°F)		19°C
(66°F)		24°C
(75°F)		25°C
(78°F)		22°C
(71°F)		17°C
(62°F)		11°C
(52°F)		6°C
(43°F)
Mean minimum-0°C
(32°F)		-0°C
(31°F)		2°C
(37°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		20°C
(69°F)		22°C
(71°F)		18°C
(65°F)		13°C
(55°F)		6°C
(43°F)		1°C
(35°F)
Minimum-2°C
(29°F)		-3°C
(27°F)		1°C
(34°F)		2°C
(36°F)		9°C
(48°F)		14°C
(57°F)		20°C
(68°F)		20°C
(68°F)		17°C
(63°F)		12°C
(53°F)		5°C
(41°F)		-1°C
(31°F)

Compare climate in Obama with other places

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

Monthly average precipitation in Obama, Japan

Obama usually has the most precipitation in July, August and October, with an average of 18 rainy days and 290 mm (11.4 inches) of precipitation per month. The driest months in Obama are January, February and November. On average, 122 mm (4.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Obama. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)138 (5.4)122 (4.8)159 (6.3)177 (7.0)176 (6.9)207 (8.2)359 (14.1)243 (9.6)233 (9.2)268 (10.6)107 (4.2)173 (6.8)
Average precipitation days (≥ 1 mm)201716141315201617181522

Monthly sunshine hours in Obama, Japan

The sunniest months in Obama are May, June and August, when the sun shines an average of 9 hours 28 minutes a day. Least sunny months in Obama: January, February and December receive an average of 6 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Obama. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours171205253278293278271299242236226208
Mean daily daylight hours10h 2m10h 52m11h 58m13h 5m14h 1m14h 30m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m

Solar UV radiation in Obama, Japan

Obama experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the 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 Obama UV Index data.

Average daily maximum UV levels by month for Obama. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)458101111111110753