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Obihiro, 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 Obihiro, Hokkaido?
Obihiro, Hokkaido gets 838 mm of precipitation a year over about 96 rainy days. August is the warmest month (average high 26°C) and January the coldest (average low -14°C).
Humid continental climate
Obihiro, Hokkaido has warm summers and cold winters. Daytime highs range from about -1°C in January to 26°C in August. September is usually the wettest month. The most comfortable time to visit is typically May to August, when daytime highs sit near 23°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -12° | 0° |
| Spring | Mar–May | -1° | 12° |
| Summer | Jun–Aug | 14° | 24° |
| Autumn | Sep–Nov | 5° | 16° |
How much rain does Obihiro get?
Obihiro gets 838 mm of precipitation in an average year, spread over about 96 days with measurable rain. That is fewer rainy days than 86% of Japan.
September is the wettest month, with 127 mm. February is the driest, with 27 mm. August has the most rainy days, about 10.
The longest dry spell in the last five years lasted 23 days, to January 15, 2023.
From October 2025 to September 2026 Obihiro got 3683 mm of rain, against a normal of 838 mm for those months. September 2026 had the most, with 1380 mm.
Obihiro weather by month
Obihiro weather in January
In January, Obihiro averages a high of -1°C and a low of -14°C. It gets 36 mm of precipitation over about 6 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The January record high is 8°C (1991) and the record low is -28°C (1977).
Obihiro weather in February
In February, Obihiro averages a high of 0°C and a low of -13°C. It gets 27 mm of precipitation over about 5 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The February record high is 13°C (2024) and the record low is -27°C (1978).
Obihiro weather in March
In March, Obihiro averages a high of 5°C and a low of -7°C. It gets 40 mm of precipitation over about 7 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The March record high is 18°C (2023) and the record low is -24°C (1975).
Obihiro weather in April
In April, Obihiro averages a high of 13°C and a low of 0°C. It gets 50 mm of precipitation over about 9 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (1998) and the record low is -11°C (1984).
Obihiro weather in May
In May, Obihiro averages a high of 19°C and a low of 6°C. It gets 82 mm of precipitation over about 10 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The May record high is 39°C (2019) and the record low is -3°C (1991). May is one of the most comfortable months to visit.
Obihiro weather in June
In June, Obihiro averages a high of 22°C and a low of 11°C. It gets 80 mm of precipitation over about 10 rainy days. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. The June record high is 36°C (2010) and the record low is 1°C (1983). June is one of the most comfortable months to visit.
Obihiro weather in July
In July, Obihiro averages a high of 24°C and a low of 15°C. It gets 96 mm of precipitation over about 10 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (2025) and the record low is 6°C (1976). July is one of the most comfortable months to visit.
Obihiro weather in August
In August, Obihiro averages a high of 26°C and a low of 16°C. It gets 126 mm of precipitation over about 10 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (1994) and the record low is 8°C (2002). August is one of the most comfortable months to visit.
Obihiro weather in September
In September, Obihiro averages a high of 22°C and a low of 12°C. It gets 127 mm of precipitation over about 10 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The September record high is 34°C (2020) and the record low is 2°C (1983).
Obihiro weather in October
In October, Obihiro averages a high of 16°C and a low of 4°C. It gets 78 mm of precipitation over about 7 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The October record high is 29°C (2022) and the record low is -4°C (1970).
Obihiro weather in November
In November, Obihiro averages a high of 8°C and a low of -2°C. It gets 48 mm of precipitation over about 7 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The November record high is 22°C (1971) and the record low is -13°C (1985).
Obihiro weather in December
In December, Obihiro averages a high of 1°C and a low of -10°C. It gets 47 mm of precipitation over about 6 rainy days. Estimated sunshine is 62% of daylight hours, derived from ERA5 cloud cover. The December record high is 14°C (1989) and the record low is -22°C (1976).
Sunshine, humidity and wind in Obihiro
December is the sunniest month in Obihiro, with estimated sunshine of 62% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 22%. The annual cloud-cover estimate is 42% of daylight hours; it is not a measurement of sunshine duration. Obihiro is sunnier than 76% of Japan.
Humidity peaks in August at 85% and is lowest in April at 62%.
Obihiro has about 5 days a year above 32°C. Obihiro is cooler than 80% of Japan.
First and last freeze in Obihiro
The first fall freeze in Obihiro typically comes around October 19, and the last spring freeze around April 28. That leaves a frost-free growing season of about 174 days.
Obihiro weather records
These records cover OBIHIRO during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Obihiro station is 39°C, on May 26, 2019. The coldest is -28°C, on January 29, 1977.
The wettest day in the available station history brought 367 mm of precipitation, on September 9, 2026.
45 all-time records have been set at the station since 1970.
The best time to visit Obihiro
The most comfortable time to visit is typically May to August, when daytime highs sit near 23°C.
Winter (December–February) is cold, with average highs around 0°C and lows near -12°C.
Spring (March–May) is chilly, with average highs around 12°C and lows near 0°C.
Summer (June–August) is warm, with average highs around 24°C and lows near 14°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 16°C and lows near 5°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -14° | -1° | 36 mm | 6 | 72% | 57% | 8° | -28° |
| February | -13° | 0° | 27 mm | 5 | 71% | 52% | 13° | -27° |
| March | -7° | 5° | 40 mm | 7 | 66% | 48% | 18° | -24° |
| April | 0° | 13° | 50 mm | 9 | 62% | 43% | 32° | -11° |
| May | 6° | 19° | 82 mm | 10 | 69% | 36% | 39° | -3° |
| June | 11° | 22° | 80 mm | 10 | 79% | 28% | 36° | 1° |
| July | 15° | 24° | 96 mm | 10 | 84% | 22% | 38° | 6° |
| August | 16° | 26° | 126 mm | 10 | 85% | 22% | 37° | 8° |
| September | 12° | 22° | 127 mm | 10 | 80% | 31% | 34° | 2° |
| October | 4° | 16° | 78 mm | 7 | 77% | 48% | 29° | -4° |
| November | -2° | 8° | 48 mm | 7 | 74% | 51% | 22° | -13° |
| December | -10° | 1° | 47 mm | 6 | 67% | 62% | 14° | -22° |
Station: OBIHIRO, 1 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.
Obihiro climate questions
How much rain does Obihiro get?
Obihiro gets 838 mm of precipitation in an average year, over about 96 rainy days.
What is the wettest month in Obihiro?
September is the wettest month in Obihiro, with 127 mm. February is the driest, with 27 mm.
How many rainy days does Obihiro have a year?
Obihiro has about 96 days with measurable rain in an average year. August has the most, about 10.
What is the hottest month in Obihiro?
August is the warmest month in Obihiro, with an average high of 26°C.
What is the coldest month in Obihiro?
January is the coldest month in Obihiro, with an average low of -14°C.
What is the record high temperature in Obihiro?
Within the available 1970–2026 station history, the record high at the Obihiro station is 39°C, set on May 26, 2019. The record low is -28°C, on January 29, 1977.
What is the sunniest month in Obihiro?
December is the sunniest month in Obihiro, with estimated sunshine of 62% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Obihiro?
The first fall freeze in Obihiro typically comes around October 19. The last spring freeze is around April 28.
What is the best time to visit Obihiro?
The most comfortable time to visit is typically May to August, when daytime highs sit near 23°C.