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Yonago, Tottori Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Yonago, Tottori?
Yonago, Tottori gets 1600 mm of precipitation a year over about 139 rainy days. August is the warmest month (average high 32°C) and January the coldest (average low 1°C).
Humid subtropical climate
Yonago, Tottori 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 June and October to November, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 2° | 9° |
| Spring | Mar–May | 7° | 18° |
| Summer | Jun–Aug | 21° | 29° |
| Autumn | Sep–Nov | 13° | 22° |
How much rain does Yonago get?
Yonago gets 1600 mm of precipitation in an average year, spread over about 139 days with measurable rain. That is more rainy days than 74% of Japan.
July is the wettest month, with 204 mm. April is the driest, with 98 mm. January has the most rainy days, about 18.
The longest dry spell in the last five years lasted 27 days, to August 5, 2026.
From October 2025 to September 2026 Yonago got 1746 mm of rain, against a normal of 1600 mm for those months. September 2026 had the most, with 978 mm.
Yonago weather by month
Yonago weather in January
In January, Yonago averages a high of 8°C and a low of 1°C. It gets 147 mm of precipitation over about 18 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The January record high is 20°C (2002) and the record low is -7°C (1970).
Yonago weather in February
In February, Yonago averages a high of 9°C and a low of 1°C. It gets 109 mm of precipitation over about 14 rainy days. Estimated sunshine is 33% of daylight hours, derived from ERA5 cloud cover. The February record high is 24°C (2004) and the record low is -8°C (1981).
Yonago weather in March
In March, Yonago averages a high of 13°C and a low of 2°C. It gets 111 mm of precipitation over about 12 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The March record high is 28°C (2025) and the record low is -6°C (1977).
Yonago weather in April
In April, Yonago averages a high of 18°C and a low of 7°C. It gets 98 mm of precipitation over about 10 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (1978) and the record low is -2°C (1987). April is one of the most comfortable months to visit.
Yonago weather in May
In May, Yonago averages a high of 23°C and a low of 13°C. It gets 106 mm of precipitation over about 8 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The May record high is 33°C (2019) and the record low is 2°C (1974). May is one of the most comfortable months to visit.
Yonago weather in June
In June, Yonago averages a high of 26°C and a low of 18°C. It gets 158 mm of precipitation over about 10 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (2022) and the record low is 8°C (1981). June is one of the most comfortable months to visit.
Yonago weather in July
In July, Yonago averages a high of 31°C and a low of 23°C. It gets 204 mm of precipitation over about 12 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (2018) and the record low is 12°C (1982).
Yonago weather in August
In August, Yonago averages a high of 32°C and a low of 23°C. It gets 111 mm of precipitation over about 9 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (1994) and the record low is 16°C (1976).
Yonago weather in September
In September, Yonago averages a high of 27°C and a low of 19°C. It gets 200 mm of precipitation over about 10 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The September record high is 37°C (2010) and the record low is 7°C (1987).
Yonago weather in October
In October, Yonago averages a high of 22°C and a low of 13°C. It gets 117 mm of precipitation over about 9 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The October record high is 33°C (2018) and the record low is 3°C (1993). October is one of the most comfortable months to visit.
Yonago weather in November
In November, Yonago averages a high of 17°C and a low of 7°C. It gets 106 mm of precipitation over about 12 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The November record high is 27°C (2003) and the record low is -1°C (1970). November is one of the most comfortable months to visit.
Yonago weather in December
In December, Yonago averages a high of 11°C and a low of 3°C. It gets 132 mm of precipitation over about 16 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The December record high is 24°C (2023) and the record low is -4°C (1976).
Sunshine, humidity and wind in Yonago
April is the sunniest month in Yonago, with estimated sunshine of 43% of daylight hours from ERA5 cloud cover. January is the cloudiest, at 29%. The annual cloud-cover estimate is 36% of daylight hours; it is not a measurement of sunshine duration. Yonago is cloudier than 71% of Japan.
Humidity peaks in July at 84% and is lowest in November at 67%.
Yonago has about 28 days a year above 32°C. Yonago is hotter than 74% of Japan.
First and last freeze in Yonago
The first fall freeze in Yonago typically comes around December 18, and the last spring freeze around March 25. That leaves a frost-free growing season of about 268 days.
Yonago weather records
These records cover YONAGO during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Yonago station is 39°C, on August 1, 1994. The coldest is -8°C, on February 26, 1981.
The wettest day in the available station history brought 323 mm of precipitation, on September 3, 2026.
36 all-time records have been set at the station since 1970.
The best time to visit Yonago
The most comfortable time to visit is typically April to June and October to November, when daytime highs sit near 21°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 18°C and lows near 7°C.
Summer (June–August) is hot, with average highs around 29°C and lows near 21°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 22°C and lows near 13°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 1° | 8° | 147 mm | 18 | 68% | 29% | 20° | -7° |
| February | 1° | 9° | 109 mm | 14 | 68% | 33% | 24° | -8° |
| March | 2° | 13° | 111 mm | 12 | 70% | 38% | 28° | -6° |
| April | 7° | 18° | 98 mm | 10 | 72% | 43% | 32° | -2° |
| May | 13° | 23° | 106 mm | 8 | 75% | 37% | 33° | 2° |
| June | 18° | 26° | 158 mm | 10 | 82% | 31% | 37° | 8° |
| July | 23° | 31° | 204 mm | 12 | 84% | 29% | 38° | 12° |
| August | 23° | 32° | 111 mm | 9 | 80% | 39% | 39° | 16° |
| September | 19° | 27° | 200 mm | 10 | 78% | 36% | 37° | 7° |
| October | 13° | 22° | 117 mm | 9 | 69% | 41% | 33° | 3° |
| November | 7° | 17° | 106 mm | 12 | 67% | 42% | 27° | -1° |
| December | 3° | 11° | 132 mm | 16 | 68% | 32% | 24° | -4° |
Station: YONAGO, 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.
Yonago climate questions
How much rain does Yonago get?
Yonago gets 1600 mm of precipitation in an average year, over about 139 rainy days.
What is the wettest month in Yonago?
July is the wettest month in Yonago, with 204 mm. April is the driest, with 98 mm.
How many rainy days does Yonago have a year?
Yonago has about 139 days with measurable rain in an average year. January has the most, about 18.
What is the hottest month in Yonago?
August is the warmest month in Yonago, with an average high of 32°C.
What is the coldest month in Yonago?
January is the coldest month in Yonago, with an average low of 1°C.
What is the record high temperature in Yonago?
Within the available 1970–2026 station history, the record high at the Yonago station is 39°C, set on August 1, 1994. The record low is -8°C, on February 26, 1981.
What is the sunniest month in Yonago?
April is the sunniest month in Yonago, with estimated sunshine of 43% of daylight hours from ERA5 cloud cover. January is the cloudiest.
When is the first frost in Yonago?
The first fall freeze in Yonago typically comes around December 18. The last spring freeze is around March 25.
What is the best time to visit Yonago?
The most comfortable time to visit is typically April to June and October to November, when daytime highs sit near 21°C.