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Tsuyama, Okayama Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Tsuyama, Okayama?
Tsuyama, Okayama gets 1198 mm of precipitation a year over about 93 rainy days. August is the warmest month (average high 32°C) and January the coldest (average low -2°C).
Humid subtropical climate
Tsuyama, Okayama has hot summers and chilly winters. Daytime highs range from about 8°C in January to 32°C in August. July is usually the wettest month. The most comfortable time to visit is typically April to May and October, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -2° | 9° |
| Spring | Mar–May | 6° | 19° |
| Summer | Jun–Aug | 20° | 30° |
| Autumn | Sep–Nov | 11° | 22° |
How much rain does Tsuyama get?
Tsuyama gets 1198 mm of precipitation in an average year, spread over about 93 days with measurable rain. That is fewer rainy days than 89% of Japan.
July is the wettest month, with 214 mm. January is the driest, with 44 mm. July has the most rainy days, about 11.
The longest dry spell in the last five years lasted 22 days, to July 28, 2026.
From October 2025 to September 2026 Tsuyama got 516 mm of rain, against a normal of 1198 mm for those months. September 2026 had the most, with 348 mm.
Tsuyama weather by month
Tsuyama weather in January
In January, Tsuyama averages a high of 8°C and a low of -2°C. It gets 44 mm of precipitation over about 8 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The January record high is 17°C (1980) and the record low is -10°C (1970).
Tsuyama weather in February
In February, Tsuyama averages a high of 9°C and a low of -2°C. It gets 46 mm of precipitation over about 7 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The February record high is 22°C (2004) and the record low is -11°C (1981).
Tsuyama weather in March
In March, Tsuyama averages a high of 14°C and a low of 1°C. It gets 80 mm of precipitation over about 8 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The March record high is 26°C (2025) and the record low is -9°C (1977).
Tsuyama weather in April
In April, Tsuyama averages a high of 19°C and a low of 6°C. It gets 100 mm of precipitation over about 8 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The April record high is 31°C (1998) and the record low is -4°C (1974). April is one of the most comfortable months to visit.
Tsuyama weather in May
In May, Tsuyama averages a high of 24°C and a low of 11°C. It gets 123 mm of precipitation over about 8 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The May record high is 33°C (2015) and the record low is 0°C (1974). May is one of the most comfortable months to visit.
Tsuyama weather in June
In June, Tsuyama averages a high of 27°C and a low of 17°C. It gets 157 mm of precipitation over about 9 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The June record high is 36°C (2005) and the record low is 6°C (1981).
Tsuyama weather in July
In July, Tsuyama averages a high of 31°C and a low of 22°C. It gets 214 mm of precipitation over about 11 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (2025) and the record low is 12°C (1982).
Tsuyama weather in August
In August, Tsuyama averages a high of 32°C and a low of 22°C. It gets 99 mm of precipitation over about 7 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2018) and the record low is 14°C (1972).
Tsuyama weather in September
In September, Tsuyama averages a high of 28°C and a low of 18°C. It gets 147 mm of precipitation over about 9 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The September record high is 37°C (1985) and the record low is 6°C (1987).
Tsuyama weather in October
In October, Tsuyama averages a high of 22°C and a low of 11°C. It gets 89 mm of precipitation over about 7 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The October record high is 31°C (1998) and the record low is -1°C (1986). October is one of the most comfortable months to visit.
Tsuyama weather in November
In November, Tsuyama averages a high of 16°C and a low of 4°C. It gets 51 mm of precipitation over about 6 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The November record high is 26°C (2023) and the record low is -4°C (1971).
Tsuyama weather in December
In December, Tsuyama averages a high of 10°C and a low of 0°C. It gets 49 mm of precipitation over about 7 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The December record high is 19°C (2010) and the record low is -8°C (1985).
Sunshine, humidity and wind in Tsuyama
November is the sunniest month in Tsuyama, with estimated sunshine of 51% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 24%. The annual cloud-cover estimate is 39% of daylight hours; it is not a measurement of sunshine duration. Tsuyama is sunnier than 56% of Japan.
Humidity peaks in July at 78% and is lowest in April at 62%.
Tsuyama has about 30 days a year above 32°C. Tsuyama is hotter than 78% of Japan.
First and last freeze in Tsuyama
The first fall freeze in Tsuyama typically comes around November 22, and the last spring freeze around April 5. That leaves a frost-free growing season of about 231 days.
Tsuyama weather records
These records cover TSUYAMA during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Tsuyama station is 38°C, on July 30, 2025. The coldest is -11°C, on February 28, 1981.
The wettest day in the available station history brought 214 mm of precipitation, on July 11, 1972.
33 all-time records have been set at the station since 1970.
The best time to visit Tsuyama
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 22°C.
Winter (December–February) is chilly, with average highs around 9°C and lows near -1°C.
Spring (March–May) is mild, with average highs around 19°C and lows near 6°C.
Summer (June–August) is hot, with average highs around 30°C and lows near 20°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 22°C and lows near 11°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -2° | 8° | 44 mm | 8 | 73% | 43% | 17° | -10° |
| February | -2° | 9° | 46 mm | 7 | 69% | 42% | 22° | -11° |
| March | 1° | 14° | 80 mm | 8 | 66% | 41% | 26° | -9° |
| April | 6° | 19° | 100 mm | 8 | 62% | 40% | 31° | -4° |
| May | 11° | 24° | 123 mm | 8 | 66% | 34% | 33° | 0° |
| June | 17° | 27° | 157 mm | 9 | 73% | 24% | 36° | 6° |
| July | 22° | 31° | 214 mm | 11 | 78% | 25% | 38° | 12° |
| August | 22° | 32° | 99 mm | 7 | 76% | 36% | 38° | 14° |
| September | 18° | 28° | 147 mm | 9 | 76% | 35% | 37° | 6° |
| October | 11° | 22° | 89 mm | 7 | 73% | 45% | 31° | -1° |
| November | 4° | 16° | 51 mm | 6 | 75% | 51% | 26° | -4° |
| December | 0° | 10° | 49 mm | 7 | 73% | 47% | 19° | -8° |
Station: TSUYAMA, 2 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.
Tsuyama climate questions
How much rain does Tsuyama get?
Tsuyama gets 1198 mm of precipitation in an average year, over about 93 rainy days.
What is the wettest month in Tsuyama?
July is the wettest month in Tsuyama, with 214 mm. January is the driest, with 44 mm.
How many rainy days does Tsuyama have a year?
Tsuyama has about 93 days with measurable rain in an average year. July has the most, about 11.
What is the hottest month in Tsuyama?
August is the warmest month in Tsuyama, with an average high of 32°C.
What is the coldest month in Tsuyama?
January is the coldest month in Tsuyama, with an average low of -2°C.
What is the record high temperature in Tsuyama?
Within the available 1970–2026 station history, the record high at the Tsuyama station is 38°C, set on July 30, 2025. The record low is -11°C, on February 28, 1981.
What is the sunniest month in Tsuyama?
November is the sunniest month in Tsuyama, with estimated sunshine of 51% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Tsuyama?
The first fall freeze in Tsuyama typically comes around November 22. The last spring freeze is around April 5.
What is the best time to visit Tsuyama?
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 22°C.