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Monthly climate in Yokohama, Aomori, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yokohama features a humid continental climate (Dfb).Temperatures typically range between 0 °C (33 °F) and 22 °C (72 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1475 mm (58.1 inches) and receives 187 rainy days on the 1 mm (0.04 inches) threshold annually.Yokohama enjoys an average of 2846 hours of sunshine throughout the year, and daylight varies from 9 hours 15 minutes to 15 hours 3 minutes per day.

Monthly average temperatures in Yokohama, Aomori, Japan §

The warmest months in Yokohama are July, August and September, with daily mean temperatures ranging from 20 to 22 °C (69 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (33 - 38 °F) throughout the day. On average each year, Yokohama experiences 12 days above 25 °C (77.0 °F) and 46 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yokohama, Aomori, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 8°C
(46°F)		 8°C
(46°F)		 14°C
(58°F)		 18°C
(64°F)		 23°C
(74°F)		 24°C
(76°F)		 28°C
(83°F)		 29°C
(85°F)		 28°C
(82°F)		 25°C
(77°F)		 17°C
(63°F)		 14°C
(58°F)
Mean maximum 6°C
(44°F)		 7°C
(45°F)		 12°C
(53°F)		 16°C
(61°F)		 19°C
(67°F)		 21°C
(70°F)		 26°C
(80°F)		 27°C
(82°F)		 26°C
(78°F)		 22°C
(73°F)		 17°C
(63°F)		 11°C
(53°F)
Average high 2°C
(36°F)		 2°C
(36°F)		 6°C
(43°F)		 10°C
(50°F)		 14°C
(58°F)		 17°C
(64°F)		 21°C
(71°F)		 23°C
(74°F)		 22°C
(71°F)		 17°C
(63°F)		 11°C
(52°F)		 5°C
(41°F)
Daily mean 1°C
(34°F)		 0°C
(33°F)		 4°C
(40°F)		 8°C
(46°F)		 12°C
(55°F)		 16°C
(61°F)		 20°C
(69°F)		 22°C
(72°F)		 20°C
(69°F)		 16°C
(60°F)		 9°C
(49°F)		 3°C
(38°F)
Average low -1°C
(31°F)		 -1°C
(30°F)		 2°C
(36°F)		 6°C
(43°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 21°C
(70°F)		 19°C
(66°F)		 14°C
(58°F)		 8°C
(46°F)		 2°C
(35°F)
Mean minimum -6°C
(22°F)		 -5°C
(23°F)		 -1°C
(30°F)		 2°C
(36°F)		 7°C
(45°F)		 12°C
(53°F)		 16°C
(60°F)		 19°C
(66°F)		 16°C
(60°F)		 9°C
(49°F)		 2°C
(36°F)		 -3°C
(27°F)
Minimum -7°C
(19°F)		 -7°C
(20°F)		 -4°C
(26°F)		 1°C
(34°F)		 6°C
(44°F)		 11°C
(51°F)		 14°C
(57°F)		 17°C
(63°F)		 14°C
(57°F)		 8°C
(47°F)		 0°C
(32°F)		 -4°C
(24°F)

Compare climate in Yokohama with other places

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

Monthly average precipitation in Yokohama, Aomori, Japan §

Yokohama usually has the most precipitation in August, October and December, with an average of 18 rainy days and 174 mm (6.9 inches) of precipitation per month.The driest months in Yokohama are January, March and November. On average, 93 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yokohama, Aomori, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 97 (3.8) 108 (4.3) 89 (3.5) 99 (3.9) 101 (4.0) 123 (4.9) 128 (5.0) 203 (8.0) 113 (4.5) 168 (6.6) 94 (3.7) 151 (6.0)
Average precipitation days (≥ 1 mm) 19 21 14 13 12 12 13 15 12 13 17 26

Monthly sunshine hours in Yokohama, Aomori, Japan §

The sunniest months in Yokohama are April, May and June, when the sun shines an average of 9 hours 17 minutes a day.Least sunny months in Yokohama: January, November and December receive an average of 5 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yokohama, Aomori, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 156 201 252 275 294 276 272 257 255 225 192 186
Mean daily daylight hours 9h 34m 10h 36m 11h 56m 13h 18m 14h 28m 15h 3m 14h 46m 13h 45m 12h 26m 11h 4m 9h 53m 9h 15m

Solar UV radiation in Yokohama, Aomori, Japan §

Yokohama 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 Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Yokohama UV Index data.

Average daily maximum UV levels by month for Yokohama, Aomori, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 5 8 9 10 10 11 8 6 4 2