nomadseason

Monthly climate in Haibara-akanedai, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Haibara-akanedai features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (37 °F) and 26 °C (80 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 2040 mm (80.3 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Haibara-akanedai enjoys an average of 2996 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Haibara-akanedai, Japan

The warmest months in Haibara-akanedai are July, August and September, with daily mean temperatures ranging from 22 to 26 °C (72 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (37 - 41 °F) throughout the day. On average each year, Haibara-akanedai experiences 87 days above 25 °C (77.0 °F) and 61 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Haibara-akanedai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		18°C
(65°F)		21°C
(70°F)		26°C
(78°F)		30°C
(86°F)		30°C
(87°F)		34°C
(94°F)		34°C
(94°F)		34°C
(93°F)		29°C
(84°F)		23°C
(74°F)		21°C
(70°F)
Mean maximum12°C
(54°F)		14°C
(58°F)		19°C
(67°F)		23°C
(74°F)		28°C
(82°F)		28°C
(83°F)		33°C
(91°F)		33°C
(92°F)		31°C
(89°F)		27°C
(82°F)		21°C
(70°F)		16°C
(61°F)
Average high6°C
(44°F)		8°C
(46°F)		13°C
(55°F)		17°C
(63°F)		22°C
(72°F)		25°C
(77°F)		28°C
(84°F)		30°C
(87°F)		26°C
(79°F)		21°C
(69°F)		15°C
(60°F)		9°C
(49°F)
Daily mean3°C
(37°F)		3°C
(38°F)		8°C
(46°F)		12°C
(54°F)		17°C
(64°F)		21°C
(70°F)		25°C
(77°F)		26°C
(80°F)		22°C
(72°F)		17°C
(62°F)		10°C
(51°F)		5°C
(41°F)
Average low-1°C
(31°F)		-1°C
(31°F)		3°C
(38°F)		7°C
(45°F)		13°C
(55°F)		17°C
(62°F)		22°C
(72°F)		23°C
(74°F)		19°C
(67°F)		13°C
(55°F)		6°C
(42°F)		1°C
(34°F)
Mean minimum-5°C
(24°F)		-5°C
(23°F)		-3°C
(27°F)		-1°C
(31°F)		5°C
(41°F)		11°C
(53°F)		19°C
(67°F)		19°C
(67°F)		13°C
(55°F)		6°C
(44°F)		-1°C
(31°F)		-3°C
(26°F)
Minimum-6°C
(22°F)		-6°C
(21°F)		-4°C
(25°F)		-2°C
(29°F)		2°C
(36°F)		10°C
(50°F)		18°C
(64°F)		17°C
(62°F)		10°C
(50°F)		5°C
(41°F)		-2°C
(28°F)		-4°C
(25°F)

Compare climate in Haibara-akanedai with other places

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

Monthly average precipitation in Haibara-akanedai, Japan

Haibara-akanedai usually has the most precipitation in July, September and October, with an average of 17 rainy days and 294 mm (11.6 inches) of precipitation per month. The driest months in Haibara-akanedai are January, February and November. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Haibara-akanedai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)67 (2.6)78 (3.1)146 (5.7)141 (5.6)169 (6.6)224 (8.8)336 (13.2)202 (7.9)225 (8.9)321 (12.6)53 (2.1)78 (3.1)
Average precipitation days (≥ 1 mm)98131111162116171478

Monthly sunshine hours in Haibara-akanedai, Japan

The sunniest months in Haibara-akanedai are April, May and August, when the sun shines an average of 9 hours 23 minutes a day. Least sunny months in Haibara-akanedai: January, October and December receive an average of 6 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Haibara-akanedai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours189235266275285260249302236230237227
Mean daily daylight hours10h 7m10h 55m11h 58m13h 2m13h 57m14h 24m14h 10m13h 23m12h 21m11h 17m10h 21m9h 52m

Solar UV radiation in Haibara-akanedai, Japan

Haibara-akanedai experiences the highest level of ultraviolet (UV) radiation in June, 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 Haibara-akanedai UV Index data.

Average daily maximum UV levels by month for Haibara-akanedai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468111112121210764