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Tsu, Mie Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Tsu, Mie?
Tsu, Mie gets 1422 mm of precipitation a year over about 102 rainy days. August is the warmest month (average high 32°C) and January the coldest (average low 2°C).
Humid subtropical climate
Tsu, Mie has hot summers and chilly winters. Daytime highs range from about 10°C in January to 32°C in August. September is usually the wettest month. The most comfortable time to visit is typically April to June and October to November, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 3° | 11° |
| Spring | Mar–May | 10° | 18° |
| Summer | Jun–Aug | 23° | 29° |
| Autumn | Sep–Nov | 15° | 23° |
How much rain does Tsu get?
Tsu gets 1422 mm of precipitation in an average year, spread over about 102 days with measurable rain. That is fewer rainy days than 72% of Japan.
September is the wettest month, with 228 mm. January is the driest, with 44 mm. September has the most rainy days, about 11.
The longest dry spell in the last five years lasted 41 days, to February 7, 2026.
From October 2025 to September 2026 Tsu got 497 mm of rain, against a normal of 1422 mm for those months. July 2026 had the most, with 210 mm.
Tsu weather by month
Tsu weather in January
In January, Tsu averages a high of 9°C and a low of 2°C. It gets 44 mm of precipitation over about 6 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The January record high is 18°C (1987) and the record low is -6°C (1970).
Tsu weather in February
In February, Tsu averages a high of 10°C and a low of 2°C. It gets 51 mm of precipitation over about 7 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The February record high is 22°C (2016) and the record low is -6°C (1977).
Tsu weather in March
In March, Tsu averages a high of 13°C and a low of 4°C. It gets 92 mm of precipitation over about 9 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The March record high is 24°C (2025) and the record low is -4°C (1977).
Tsu weather in April
In April, Tsu averages a high of 19°C and a low of 9°C. It gets 119 mm of precipitation over about 8 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The April record high is 31°C (2016) and the record low is -1°C (1972). April is one of the most comfortable months to visit.
Tsu weather in May
In May, Tsu averages a high of 23°C and a low of 15°C. It gets 146 mm of precipitation over about 9 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The May record high is 34°C (2015) and the record low is 6°C (1972). May is one of the most comfortable months to visit.
Tsu weather in June
In June, Tsu averages a high of 27°C and a low of 19°C. It gets 184 mm of precipitation over about 11 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (1991) and the record low is 9°C (1972). June is one of the most comfortable months to visit.
Tsu weather in July
In July, Tsu averages a high of 31°C and a low of 24°C. It gets 152 mm of precipitation over about 11 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2000) and the record low is 16°C (1982).
Tsu weather in August
In August, Tsu averages a high of 32°C and a low of 24°C. It gets 124 mm of precipitation over about 9 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (1994) and the record low is 16°C (1981).
Tsu weather in September
In September, Tsu averages a high of 28°C and a low of 21°C. It gets 228 mm of precipitation over about 11 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The September record high is 38°C (2010) and the record low is 11°C (1976).
Tsu weather in October
In October, Tsu averages a high of 23°C and a low of 15°C. It gets 170 mm of precipitation over about 9 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The October record high is 31°C (1985) and the record low is 3°C (1983). October is one of the most comfortable months to visit.
Tsu weather in November
In November, Tsu averages a high of 17°C and a low of 9°C. It gets 68 mm of precipitation over about 6 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The November record high is 25°C (1985) and the record low is -1°C (1981). November is one of the most comfortable months to visit.
Tsu weather in December
In December, Tsu averages a high of 12°C and a low of 4°C. It gets 45 mm of precipitation over about 6 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The December record high is 23°C (2015) and the record low is -4°C (1970).
Sunshine, humidity and wind in Tsu
December is the sunniest month in Tsu, with estimated sunshine of 64% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 23%. The annual cloud-cover estimate is 42% of daylight hours; it is not a measurement of sunshine duration. Tsu is sunnier than 83% of Japan.
Humidity peaks in July at 80% and is lowest in February at 67%.
Tsu has about 21 days a year above 32°C. Tsu is hotter than 55% of Japan.
First and last freeze in Tsu
The first fall freeze in Tsu typically comes around December 17, and the last spring freeze around February 25. That leaves a frost-free growing season of about 295 days.
Tsu weather records
These records cover TSU during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Tsu station is 39°C, on August 5, 1994. The coldest is -6°C, on February 27, 1981.
The wettest day in the available station history brought 320 mm of precipitation, on August 29, 2024.
35 all-time records have been set at the station since 1970.
The best time to visit Tsu
The most comfortable time to visit is typically April to June and October to November, when daytime highs sit near 22°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 18°C and lows near 10°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° | 44 mm | 6 | 69% | 55% | 18° | -6° |
| February | 2° | 10° | 51 mm | 7 | 67% | 50% | 22° | -6° |
| March | 4° | 13° | 92 mm | 9 | 68% | 43% | 24° | -4° |
| April | 9° | 19° | 119 mm | 8 | 68% | 39% | 31° | -1° |
| May | 15° | 23° | 146 mm | 9 | 72% | 32% | 34° | 6° |
| June | 19° | 27° | 184 mm | 11 | 78% | 23% | 37° | 9° |
| July | 24° | 31° | 152 mm | 11 | 80% | 27% | 39° | 16° |
| August | 24° | 32° | 124 mm | 9 | 79% | 34% | 39° | 16° |
| September | 21° | 28° | 228 mm | 11 | 79% | 32% | 38° | 11° |
| October | 15° | 23° | 170 mm | 9 | 73% | 48% | 31° | 3° |
| November | 9° | 17° | 68 mm | 6 | 72% | 58% | 25° | -1° |
| December | 4° | 12° | 45 mm | 6 | 69% | 64% | 23° | -4° |
Station: TSU, 0 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.
Tsu climate questions
How much rain does Tsu get?
Tsu gets 1422 mm of precipitation in an average year, over about 102 rainy days.
What is the wettest month in Tsu?
September is the wettest month in Tsu, with 228 mm. January is the driest, with 44 mm.
How many rainy days does Tsu have a year?
Tsu has about 102 days with measurable rain in an average year. September has the most, about 11.
What is the hottest month in Tsu?
August is the warmest month in Tsu, with an average high of 32°C.
What is the coldest month in Tsu?
January is the coldest month in Tsu, with an average low of 2°C.
What is the record high temperature in Tsu?
Within the available 1970–2026 station history, the record high at the Tsu station is 39°C, set on August 5, 1994. The record low is -6°C, on February 27, 1981.
What is the sunniest month in Tsu?
December is the sunniest month in Tsu, with estimated sunshine of 64% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Tsu?
The first fall freeze in Tsu typically comes around December 17. The last spring freeze is around February 25.
What is the best time to visit Tsu?
The most comfortable time to visit is typically April to June and October to November, when daytime highs sit near 22°C.