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Marugame, Kagawa Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Marugame, Kagawa?
Marugame, Kagawa gets 983 mm of precipitation a year over about 82 rainy days. August is the warmest month (average high 33°C) and January the coldest (average low 2°C).
Humid subtropical climate
Marugame, Kagawa has hot summers and chilly winters. Daytime highs range from about 10°C in January to 33°C in August. June is usually the wettest month. The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 3° | 11° |
| Spring | Mar–May | 9° | 19° |
| Summer | Jun–Aug | 23° | 30° |
| Autumn | Sep–Nov | 15° | 23° |
How much rain does Marugame get?
Marugame gets 983 mm of precipitation in an average year, spread over about 82 days with measurable rain. That is fewer rainy days than 98% of Japan.
June is the wettest month, with 145 mm. January is the driest, with 33 mm. June has the most rainy days, about 9.
The longest dry spell in the last five years lasted 17 days, to August 16, 2022.
From October 2025 to September 2026 Marugame got 2309 mm of rain, against a normal of 983 mm for those months. August 2026 had the most, with 1656 mm.
Marugame weather by month
Marugame weather in January
In January, Marugame averages a high of 9°C and a low of 2°C. It gets 33 mm of precipitation over about 5 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The January record high is 19°C (1997) and the record low is -4°C (1981).
Marugame weather in February
In February, Marugame averages a high of 11°C and a low of 2°C. It gets 42 mm of precipitation over about 6 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The February record high is 24°C (2004) and the record low is -5°C (1977).
Marugame weather in March
In March, Marugame averages a high of 14°C and a low of 4°C. It gets 68 mm of precipitation over about 7 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The March record high is 25°C (2010) and the record low is -3°C (1977).
Marugame weather in April
In April, Marugame averages a high of 19°C and a low of 9°C. It gets 68 mm of precipitation over about 8 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The April record high is 30°C (1983) and the record low is -1°C (1987). April is one of the most comfortable months to visit.
Marugame weather in May
In May, Marugame averages a high of 24°C and a low of 14°C. It gets 86 mm of precipitation over about 7 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The May record high is 31°C (2019) and the record low is 5°C (1980). May is one of the most comfortable months to visit.
Marugame weather in June
In June, Marugame averages a high of 27°C and a low of 19°C. It gets 145 mm of precipitation over about 9 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The June record high is 36°C (2022) and the record low is 12°C (1970).
Marugame weather in July
In July, Marugame averages a high of 31°C and a low of 24°C. It gets 144 mm of precipitation over about 9 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (1994) and the record low is 17°C (1982).
Marugame weather in August
In August, Marugame averages a high of 33°C and a low of 25°C. It gets 70 mm of precipitation over about 5 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2017) and the record low is 17°C (1981).
Marugame weather in September
In September, Marugame averages a high of 29°C and a low of 21°C. It gets 139 mm of precipitation over about 8 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The September record high is 37°C (2020) and the record low is 10°C (1987).
Marugame weather in October
In October, Marugame averages a high of 23°C and a low of 14°C. It gets 98 mm of precipitation over about 7 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The October record high is 32°C (2019) and the record low is 4°C (1986). October is one of the most comfortable months to visit.
Marugame weather in November
In November, Marugame averages a high of 17°C and a low of 9°C. It gets 47 mm of precipitation over about 5 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The November record high is 26°C (2023) and the record low is 1°C (1973). November is one of the most comfortable months to visit.
Marugame weather in December
In December, Marugame averages a high of 12°C and a low of 4°C. It gets 44 mm of precipitation over about 6 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The December record high is 22°C (2016) and the record low is -2°C (1985).
Sunshine, humidity and wind in Marugame
November is the sunniest month in Marugame, with estimated sunshine of 56% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 26%. The annual cloud-cover estimate is 43% of daylight hours; it is not a measurement of sunshine duration. Marugame is sunnier than 94% of Japan.
Humidity peaks in July at 81% and is lowest in December at 64%.
Marugame has about 33 days a year above 32°C. Marugame is hotter than 86% of Japan.
First and last freeze in Marugame
The first fall freeze in Marugame typically comes around December 18, and the last spring freeze around March 7. That leaves a frost-free growing season of about 286 days.
Marugame weather records
These records cover TADOTSU during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Marugame station is 38°C, on July 16, 1994. The coldest is -5°C, on February 26, 1981.
The wettest day in the available station history brought 342 mm of precipitation, on August 7, 2026.
39 all-time records have been set at the station since 1970.
The best time to visit Marugame
The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 11°C and lows near 3°C.
Spring (March–May) is mild, with average highs around 19°C and lows near 9°C.
Summer (June–August) is hot, with average highs around 30°C and lows near 23°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 23°C and lows near 15°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 2° | 9° | 33 mm | 5 | 66% | 50% | 19° | -4° |
| February | 2° | 11° | 42 mm | 6 | 66% | 48% | 24° | -5° |
| March | 4° | 14° | 68 mm | 7 | 68% | 44% | 25° | -3° |
| April | 9° | 19° | 68 mm | 8 | 68% | 42% | 30° | -1° |
| May | 14° | 24° | 86 mm | 7 | 72% | 37% | 31° | 5° |
| June | 19° | 27° | 145 mm | 9 | 80% | 26% | 36° | 12° |
| July | 24° | 31° | 144 mm | 9 | 81% | 29% | 38° | 17° |
| August | 25° | 33° | 70 mm | 5 | 77% | 43% | 38° | 17° |
| September | 21° | 29° | 139 mm | 8 | 76% | 38% | 37° | 10° |
| October | 14° | 23° | 98 mm | 7 | 69% | 50% | 32° | 4° |
| November | 9° | 17° | 47 mm | 5 | 69% | 56% | 26° | 1° |
| December | 4° | 12° | 44 mm | 6 | 64% | 56% | 22° | -2° |
Station: TADOTSU, 3 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.
Marugame climate questions
How much rain does Marugame get?
Marugame gets 983 mm of precipitation in an average year, over about 82 rainy days.
What is the wettest month in Marugame?
June is the wettest month in Marugame, with 145 mm. January is the driest, with 33 mm.
How many rainy days does Marugame have a year?
Marugame has about 82 days with measurable rain in an average year. June has the most, about 9.
What is the hottest month in Marugame?
August is the warmest month in Marugame, with an average high of 33°C.
What is the coldest month in Marugame?
January is the coldest month in Marugame, with an average low of 2°C.
What is the record high temperature in Marugame?
Within the available 1970–2026 station history, the record high at the Marugame station is 38°C, set on July 16, 1994. The record low is -5°C, on February 26, 1981.
What is the sunniest month in Marugame?
November is the sunniest month in Marugame, with estimated sunshine of 56% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Marugame?
The first fall freeze in Marugame typically comes around December 18. The last spring freeze is around March 7.
What is the best time to visit Marugame?
The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.