Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Hakodate, Hokkaido Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Hakodate, Hokkaido?
Hakodate, Hokkaido gets 1150 mm of precipitation a year over about 157 rainy days. August is the warmest month (average high 26°C) and January the coldest (average low -7°C).
Humid continental climate
Hakodate, Hokkaido has warm summers and cold winters. Daytime highs range from about 1°C in January to 26°C in August. August is usually the wettest month. The most comfortable time to visit is typically May to July and September to October, when daytime highs sit near 20°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -6° | 2° |
| Spring | Mar–May | 2° | 12° |
| Summer | Jun–Aug | 16° | 23° |
| Autumn | Sep–Nov | 7° | 17° |
How much rain does Hakodate get?
Hakodate gets 1150 mm of precipitation in an average year, spread over about 157 days with measurable rain. That is more rainy days than 83% of Japan.
August is the wettest month, with 146 mm. February is the driest, with 65 mm. December has the most rainy days, about 20.
The longest dry spell in the last five years lasted 11 days, to October 15, 2024.
From October 2025 to September 2026 Hakodate got 3951 mm of rain, against a normal of 1150 mm for those months. August 2026 had the most, with 2501 mm.
Hakodate weather by month
Hakodate weather in January
In January, Hakodate averages a high of 1°C and a low of -7°C. It gets 76 mm of precipitation over about 19 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The January record high is 10°C (2009) and the record low is -16°C (1970).
Hakodate weather in February
In February, Hakodate averages a high of 2°C and a low of -6°C. It gets 65 mm of precipitation over about 17 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The February record high is 13°C (2026) and the record low is -16°C (1978).
Hakodate weather in March
In March, Hakodate averages a high of 6°C and a low of -3°C. It gets 66 mm of precipitation over about 16 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The March record high is 17°C (2018) and the record low is -12°C (1986).
Hakodate weather in April
In April, Hakodate averages a high of 12°C and a low of 2°C. It gets 65 mm of precipitation over about 10 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The April record high is 23°C (2015) and the record low is -8°C (1978).
Hakodate weather in May
In May, Hakodate averages a high of 17°C and a low of 8°C. It gets 84 mm of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The May record high is 28°C (2019) and the record low is -2°C (1977). May is one of the most comfortable months to visit.
Hakodate weather in June
In June, Hakodate averages a high of 21°C and a low of 12°C. It gets 79 mm of precipitation over about 9 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The June record high is 29°C (1987) and the record low is 3°C (1983). June is one of the most comfortable months to visit.
Hakodate weather in July
In July, Hakodate averages a high of 24°C and a low of 17°C. It gets 112 mm of precipitation over about 10 rainy days. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. The July record high is 33°C (1976) and the record low is 7°C (1976). July is one of the most comfortable months to visit.
Hakodate weather in August
In August, Hakodate averages a high of 26°C and a low of 18°C. It gets 146 mm of precipitation over about 10 rainy days. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (2023) and the record low is 10°C (1979).
Hakodate weather in September
In September, Hakodate averages a high of 23°C and a low of 14°C. It gets 138 mm of precipitation over about 10 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The September record high is 33°C (2012) and the record low is 3°C (1980). September is one of the most comfortable months to visit.
Hakodate weather in October
In October, Hakodate averages a high of 17°C and a low of 7°C. It gets 97 mm of precipitation over about 11 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The October record high is 26°C (2025) and the record low is -3°C (1975). October is one of the most comfortable months to visit.
Hakodate weather in November
In November, Hakodate averages a high of 10°C and a low of 1°C. It gets 109 mm of precipitation over about 16 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The November record high is 21°C (2003) and the record low is -9°C (1974).
Hakodate weather in December
In December, Hakodate averages a high of 3°C and a low of -4°C. It gets 114 mm of precipitation over about 20 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The December record high is 16°C (1990) and the record low is -14°C (1974).
Sunshine, humidity and wind in Hakodate
April is the sunniest month in Hakodate, with estimated sunshine of 50% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 28%. The annual cloud-cover estimate is 37% of daylight hours; it is not a measurement of sunshine duration. Hakodate is cloudier than 58% of Japan.
Humidity peaks in July at 90% and is lowest in November at 70%.
Hakodate has about 1 days a year above 32°C. Hakodate is cooler than 99% of Japan.
First and last freeze in Hakodate
The first fall freeze in Hakodate typically comes around November 8, and the last spring freeze around April 17. That leaves a frost-free growing season of about 205 days.
Hakodate weather records
These records cover HAKODATE during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Hakodate station is 36°C, on August 10, 2023. The coldest is -16°C, on February 16, 1978.
The wettest day in the available station history brought 450 mm of precipitation, on September 1, 2026.
46 all-time records have been set at the station since 1970.
The best time to visit Hakodate
The most comfortable time to visit is typically May to July and September to October, when daytime highs sit near 20°C.
Winter (December–February) is cold, with average highs around 2°C and lows near -6°C.
Spring (March–May) is chilly, with average highs around 12°C and lows near 2°C.
Summer (June–August) is warm, with average highs around 24°C and lows near 16°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 17°C and lows near 7°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -7° | 1° | 76 mm | 19 | 71% | 35% | 10° | -16° |
| February | -6° | 2° | 65 mm | 17 | 71% | 34% | 13° | -16° |
| March | -3° | 6° | 66 mm | 16 | 72% | 43% | 17° | -12° |
| April | 2° | 12° | 65 mm | 10 | 74% | 50% | 23° | -8° |
| May | 8° | 17° | 84 mm | 10 | 82% | 40% | 28° | -2° |
| June | 12° | 21° | 79 mm | 9 | 88% | 32% | 29° | 3° |
| July | 17° | 24° | 112 mm | 10 | 90% | 28% | 33° | 7° |
| August | 18° | 26° | 146 mm | 10 | 87% | 28% | 36° | 10° |
| September | 14° | 23° | 138 mm | 10 | 78% | 35% | 33° | 3° |
| October | 7° | 17° | 97 mm | 11 | 71% | 46% | 26° | -3° |
| November | 1° | 10° | 109 mm | 16 | 70% | 41% | 21° | -9° |
| December | -4° | 3° | 114 mm | 20 | 70% | 34% | 16° | -14° |
Station: HAKODATE, 5 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Hakodate climate questions
How much rain does Hakodate get?
Hakodate gets 1150 mm of precipitation in an average year, over about 157 rainy days.
What is the wettest month in Hakodate?
August is the wettest month in Hakodate, with 146 mm. February is the driest, with 65 mm.
How many rainy days does Hakodate have a year?
Hakodate has about 157 days with measurable rain in an average year. December has the most, about 20.
What is the hottest month in Hakodate?
August is the warmest month in Hakodate, with an average high of 26°C.
What is the coldest month in Hakodate?
January is the coldest month in Hakodate, with an average low of -7°C.
What is the record high temperature in Hakodate?
Within the available 1970–2026 station history, the record high at the Hakodate station is 36°C, set on August 10, 2023. The record low is -16°C, on February 16, 1978.
What is the sunniest month in Hakodate?
April is the sunniest month in Hakodate, with estimated sunshine of 50% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Hakodate?
The first fall freeze in Hakodate typically comes around November 8. The last spring freeze is around April 17.
What is the best time to visit Hakodate?
The most comfortable time to visit is typically May to July and September to October, when daytime highs sit near 20°C.