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Monthly climate in Ogasawara, Tokyo, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ogasawara features a humid subtropical climate (Cfa).Temperatures typically range between 18 °C (65 °F) and 28 °C (82 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1433 mm (56.4 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Ogasawara enjoys an average of 3259 hours of sunshine throughout the year, and daylight varies from 10 hours 27 minutes to 13 hours 48 minutes per day.

Monthly average temperatures in Ogasawara, Tokyo, Japan §

The warmest months in Ogasawara are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °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, Ogasawara experiences 148 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 Ogasawara, Tokyo, 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 24°C
(75°F)		 23°C
(73°F)		 23°C
(74°F)		 25°C
(77°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 27°C
(81°F)		 26°C
(78°F)
Mean maximum 23°C
(74°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(75°F)		 26°C
(79°F)		 27°C
(82°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(80°F)		 25°C
(77°F)
Average high 20°C
(68°F)		 19°C
(67°F)		 21°C
(69°F)		 22°C
(71°F)		 24°C
(75°F)		 26°C
(80°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(82°F)		 25°C
(77°F)		 23°C
(73°F)
Daily mean 19°C
(66°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(70°F)		 23°C
(74°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 24°C
(76°F)		 22°C
(71°F)
Average low 18°C
(65°F)		 17°C
(64°F)		 19°C
(66°F)		 20°C
(69°F)		 23°C
(73°F)		 25°C
(78°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(79°F)		 24°C
(75°F)		 21°C
(70°F)
Mean minimum 15°C
(60°F)		 15°C
(60°F)		 16°C
(61°F)		 17°C
(63°F)		 19°C
(67°F)		 23°C
(74°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(78°F)		 24°C
(75°F)		 21°C
(70°F)		 18°C
(65°F)
Minimum 14°C
(58°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(60°F)		 18°C
(65°F)		 21°C
(70°F)		 25°C
(77°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(71°F)		 19°C
(67°F)		 17°C
(63°F)

Compare climate in Ogasawara with other places

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

Monthly average precipitation in Ogasawara, Tokyo, Japan §

Ogasawara usually has the most precipitation in May, September and December, with an average of 13 rainy days and 175 mm (6.9 inches) of precipitation per month.The driest months in Ogasawara are January, February and March. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ogasawara, Tokyo, 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) 59 (2.3) 37 (1.5) 69 (2.7) 94 (3.7) 178 (7.0) 166 (6.5) 100 (3.9) 93 (3.7) 181 (7.1) 158 (6.2) 131 (5.1) 167 (6.6)
Average precipitation days (≥ 1 mm) 8 6 9 9 12 13 14 13 16 19 14 11

Monthly sunshine hours in Ogasawara, Tokyo, Japan §

The sunniest months in Ogasawara are July, August and September, when the sun shines an average of 10 hours 38 minutes a day.Least sunny months in Ogasawara: January, February and December receive an average of 6 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ogasawara, Tokyo, 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 174 227 270 270 302 301 342 327 309 281 238 215
Mean daily daylight hours 10h 37m 11h 13m 11h 59m 12h 48m 13h 28m 13h 48m 13h 38m 13h 3m 12h 17m 11h 29m 10h 48m 10h 27m

Solar UV radiation in Ogasawara, Tokyo, Japan §

Ogasawara experiences the highest level of ultraviolet (UV) radiation in April, June and July, 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 Ogasawara UV Index data.

Average daily maximum UV levels by month for Ogasawara, Tokyo, 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) 7 9 11 13 12 13 13 12 12 10 8 6