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Monthly climate in Omu, Hokkaido, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Omu features a humid continental climate (Dfb).Temperatures typically range between -7 °C (20 °F) and 19 °C (66 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1058 mm (41.7 inches) and receives 168 rainy days on the 1 mm (0.04 inches) threshold annually.Omu enjoys an average of 2861 hours of sunshine throughout the year, and daylight varies from 8 hours 52 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Omu, Hokkaido, Japan §

The warmest months in Omu are July, August and September, with daily mean temperatures ranging from 17 to 19 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 27 °F) throughout the day. On average each year, Omu experiences 10 days above 25 °C (77.0 °F) and 132 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Omu, Hokkaido, 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 3°C
(38°F)		 7°C
(44°F)		 13°C
(56°F)		 20°C
(68°F)		 28°C
(82°F)		 26°C
(80°F)		 29°C
(85°F)		 30°C
(86°F)		 28°C
(82°F)		 22°C
(73°F)		 16°C
(61°F)		 12°C
(53°F)
Mean maximum 2°C
(36°F)		 4°C
(39°F)		 9°C
(49°F)		 16°C
(62°F)		 23°C
(74°F)		 22°C
(72°F)		 28°C
(83°F)		 28°C
(82°F)		 25°C
(77°F)		 20°C
(69°F)		 14°C
(58°F)		 7°C
(44°F)
Average high -4°C
(26°F)		 -3°C
(26°F)		 2°C
(35°F)		 8°C
(46°F)		 14°C
(57°F)		 16°C
(61°F)		 21°C
(70°F)		 22°C
(71°F)		 20°C
(68°F)		 14°C
(57°F)		 6°C
(44°F)		 -1°C
(31°F)
Daily mean -7°C
(20°F)		 -6°C
(21°F)		 -1°C
(30°F)		 4°C
(40°F)		 10°C
(51°F)		 13°C
(56°F)		 18°C
(65°F)		 19°C
(66°F)		 17°C
(62°F)		 11°C
(51°F)		 4°C
(39°F)		 -3°C
(27°F)
Average low -10°C
(15°F)		 -10°C
(15°F)		 -4°C
(24°F)		 1°C
(34°F)		 7°C
(44°F)		 10°C
(51°F)		 16°C
(61°F)		 17°C
(62°F)		 14°C
(57°F)		 7°C
(46°F)		 2°C
(35°F)		 -5°C
(23°F)
Mean minimum -15°C
(5°F)		 -17°C
(2°F)		 -11°C
(12°F)		 -6°C
(22°F)		 1°C
(34°F)		 6°C
(43°F)		 11°C
(52°F)		 12°C
(55°F)		 9°C
(48°F)		 3°C
(38°F)		 -4°C
(25°F)		 -11°C
(13°F)
Minimum -17°C
(1°F)		 -20°C
(-4°F)		 -14°C
(7°F)		 -9°C
(17°F)		 0°C
(33°F)		 3°C
(38°F)		 9°C
(48°F)		 10°C
(51°F)		 7°C
(45°F)		 1°C
(34°F)		 -6°C
(21°F)		 -13°C
(9°F)

Compare climate in Omu with other places

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

Monthly average precipitation in Omu, Hokkaido, Japan §

Omu usually has the most precipitation in August, October and November, with an average of 17 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Omu are January, February and April. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Omu, Hokkaido, 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) 63 (2.5) 63 (2.5) 73 (2.9) 60 (2.3) 87 (3.4) 88 (3.5) 82 (3.2) 157 (6.2) 80 (3.1) 134 (5.3) 102 (4.0) 69 (2.7)
Average precipitation days (≥ 1 mm) 14 14 13 11 12 12 9 15 11 14 22 21

Monthly sunshine hours in Omu, Hokkaido, Japan §

The sunniest months in Omu are April, May and July, when the sun shines an average of 9 hours 38 minutes a day.Least sunny months in Omu: January, November and December receive an average of 5 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Omu, Hokkaido, 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 136 180 240 282 285 282 318 275 269 235 179 175
Mean daily daylight hours 9h 13m 10h 25m 11h 55m 13h 28m 14h 48m 15h 29m 15h 8m 13h 58m 12h 29m 10h 57m 9h 35m 8h 52m

Solar UV radiation in Omu, Hokkaido, Japan §

Omu experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High 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 3. For more detailed information, check out our hourly Omu UV Index data.

Average daily maximum UV levels by month for Omu, Hokkaido, 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) 2 3 6 7 8 9 9 9 7 5 3 2