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Monthly climate in Oiso, Kanagawa, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Oiso features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 26 °C (80 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 2100 mm (82.7 inches) and receives 168 rainy days on the 1 mm (0.04 inches) threshold annually.Oiso enjoys an average of 2919 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 29 minutes per day.

Monthly average temperatures in Oiso, Kanagawa, Japan §

The warmest months in Oiso are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 49 °F) throughout the day. On average each year, Oiso experiences 55 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 Oiso, Kanagawa, 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 17°C
(63°F)		 17°C
(63°F)		 19°C
(67°F)		 22°C
(72°F)		 25°C
(76°F)		 27°C
(81°F)		 30°C
(85°F)		 31°C
(88°F)		 30°C
(87°F)		 27°C
(80°F)		 21°C
(70°F)		 20°C
(68°F)
Mean maximum 14°C
(58°F)		 15°C
(60°F)		 18°C
(64°F)		 20°C
(68°F)		 23°C
(74°F)		 25°C
(77°F)		 28°C
(83°F)		 31°C
(87°F)		 29°C
(84°F)		 25°C
(78°F)		 20°C
(68°F)		 17°C
(62°F)
Average high 9°C
(48°F)		 10°C
(50°F)		 13°C
(55°F)		 16°C
(61°F)		 20°C
(68°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(82°F)		 25°C
(77°F)		 20°C
(69°F)		 16°C
(61°F)		 11°C
(53°F)
Daily mean 7°C
(44°F)		 7°C
(45°F)		 10°C
(51°F)		 13°C
(57°F)		 18°C
(64°F)		 21°C
(70°F)		 24°C
(76°F)		 26°C
(80°F)		 23°C
(74°F)		 19°C
(66°F)		 14°C
(58°F)		 9°C
(49°F)
Average low 5°C
(41°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 16°C
(61°F)		 19°C
(67°F)		 23°C
(74°F)		 25°C
(77°F)		 22°C
(71°F)		 17°C
(63°F)		 12°C
(54°F)		 7°C
(45°F)
Mean minimum 2°C
(35°F)		 1°C
(35°F)		 3°C
(38°F)		 6°C
(43°F)		 12°C
(53°F)		 17°C
(62°F)		 20°C
(68°F)		 21°C
(71°F)		 18°C
(65°F)		 13°C
(55°F)		 7°C
(45°F)		 3°C
(38°F)
Minimum -0°C
(32°F)		 1°C
(33°F)		 2°C
(36°F)		 4°C
(40°F)		 10°C
(51°F)		 15°C
(60°F)		 18°C
(65°F)		 20°C
(68°F)		 17°C
(63°F)		 11°C
(53°F)		 4°C
(40°F)		 1°C
(34°F)

Compare climate in Oiso with other places

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

Monthly average precipitation in Oiso, Kanagawa, Japan §

Oiso usually has the most precipitation in July, September and October, with an average of 19 rainy days and 281 mm (11.1 inches) of precipitation per month.The driest months in Oiso are January, February and December. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oiso, Kanagawa, 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) 69 (2.7) 75 (3.0) 195 (7.7) 162 (6.4) 166 (6.5) 224 (8.8) 263 (10.3) 159 (6.2) 235 (9.3) 346 (13.6) 115 (4.5) 91 (3.6)
Average precipitation days (≥ 1 mm) 7 10 14 13 12 16 19 15 19 19 13 11

Monthly sunshine hours in Oiso, Kanagawa, Japan §

The sunniest months in Oiso are April, May and August, when the sun shines an average of 9 hours 11 minutes a day.Least sunny months in Oiso: January, February and October receive an average of 6 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oiso, Kanagawa, 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 188 227 254 266 285 260 240 293 241 205 227 228
Mean daily daylight hours 10h 3m 10h 53m 11h 58m 13h 5m 14h 1m 14h 29m 14h 15m 13h 26m 12h 22m 11h 15m 10h 17m 9h 48m

Solar UV radiation in Oiso, Kanagawa, Japan §

Oiso experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 12, 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 Oiso UV Index data.

Average daily maximum UV levels by month for Oiso, Kanagawa, 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) 4 5 8 10 11 11 12 11 10 7 5 4