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Monthly climate in Wakkanai, Hokkaido, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Wakkanai features a humid continental climate (Dfb).Temperatures typically range between -4 °C (24 °F) and 19 °C (67 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 1069 mm (42.1 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually.Wakkanai enjoys an average of 2876 hours of sunshine throughout the year, and daylight varies from 8 hours 46 minutes to 15 hours 35 minutes per day.

Monthly average temperatures in Wakkanai, Hokkaido, Japan §

The warmest months in Wakkanai are July, August and September, with daily mean temperatures ranging from 18 to 19 °C (64 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -2 °C (24 - 29 °F) throughout the day. On average each year, Wakkanai experiences 4 days above 25 °C (77.0 °F) and 111 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wakkanai, 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 5°C
(41°F)		 5°C
(41°F)		 11°C
(51°F)		 17°C
(63°F)		 21°C
(70°F)		 22°C
(71°F)		 30°C
(86°F)		 28°C
(84°F)		 27°C
(82°F)		 21°C
(70°F)		 16°C
(60°F)		 11°C
(52°F)
Mean maximum 3°C
(37°F)		 4°C
(40°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(66°F)		 18°C
(66°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 8°C
(46°F)
Average high -3°C
(28°F)		 -2°C
(28°F)		 2°C
(37°F)		 8°C
(46°F)		 12°C
(54°F)		 15°C
(60°F)		 20°C
(69°F)		 22°C
(71°F)		 20°C
(68°F)		 14°C
(58°F)		 7°C
(44°F)		 -0°C
(32°F)
Daily mean -4°C
(24°F)		 -4°C
(25°F)		 0°C
(33°F)		 5°C
(42°F)		 10°C
(50°F)		 13°C
(55°F)		 18°C
(65°F)		 19°C
(67°F)		 18°C
(64°F)		 12°C
(54°F)		 5°C
(41°F)		 -2°C
(29°F)
Average low -6°C
(21°F)		 -7°C
(20°F)		 -2°C
(29°F)		 3°C
(37°F)		 7°C
(45°F)		 11°C
(51°F)		 16°C
(61°F)		 17°C
(64°F)		 15°C
(59°F)		 9°C
(49°F)		 3°C
(37°F)		 -4°C
(25°F)
Mean minimum -11°C
(12°F)		 -12°C
(10°F)		 -7°C
(19°F)		 -2°C
(29°F)		 2°C
(37°F)		 7°C
(45°F)		 11°C
(52°F)		 14°C
(58°F)		 11°C
(51°F)		 5°C
(42°F)		 -3°C
(26°F)		 -9°C
(15°F)
Minimum -13°C
(9°F)		 -15°C
(5°F)		 -9°C
(17°F)		 -6°C
(22°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(49°F)		 14°C
(57°F)		 9°C
(49°F)		 3°C
(38°F)		 -6°C
(21°F)		 -12°C
(10°F)

Compare climate in Wakkanai with other places

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

Monthly average precipitation in Wakkanai, Hokkaido, Japan §

Wakkanai usually has the most precipitation in August, October and November, with an average of 15 rainy days and 124 mm (4.9 inches) of precipitation per month.The driest months in Wakkanai are February, March and April. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wakkanai, 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) 71 (2.8) 69 (2.7) 70 (2.8) 52 (2.0) 75 (3.0) 79 (3.1) 90 (3.5) 144 (5.7) 84 (3.3) 110 (4.3) 118 (4.6) 107 (4.2)
Average precipitation days (≥ 1 mm) 18 19 14 9 10 11 8 13 11 14 19 24

Monthly sunshine hours in Wakkanai, Hokkaido, Japan §

The sunniest months in Wakkanai are April, May and July, when the sun shines an average of 9 hours 54 minutes a day.Least sunny months in Wakkanai: January, February and December receive an average of 5 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wakkanai, 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 112 179 243 287 301 283 322 274 282 244 181 164
Mean daily daylight hours 9h 8m 10h 22m 11h 55m 13h 31m 14h 53m 15h 35m 15h 14m 14h 1m 12h 30m 10h 54m 9h 30m 8h 46m

Solar UV radiation in Wakkanai, Hokkaido, Japan §

Wakkanai experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 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 Wakkanai UV Index data.

Average daily maximum UV levels by month for Wakkanai, 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 5 6 8 9 9 8 7 4 3 1