Gōtsuchō climate — normals and trends
Gōtsuchō (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 1,672 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (26.6 °C on average) and the coldest is January (5.1 °C). Rainfall peaks in July.
Gōtsuchō averages 7 frost days, 23 hot days (≥ 30 °C) and 170 rainy days per year.
Gōtsuchō has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 14 to 0 per year over the period.
The hottest day of the period reached 35.3 °C (on 22 August 2018) and the coldest -6.3 °C (on 26 February 1981).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GōtsuchōShimane
- coords
- 35.01°, 132.23°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
18.0°C
Average daily low
12.6°C
Annual rainfall
1,672mm
Sunshine / day
8.6h
Mean relative humidity
75%
Average peak wind
19.5km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
51.6 cm
Average feels-like high
17.5 °C
Average feels-like low
11.2 °C
Average peak gust
40.6 km/h
Tropical nights (≥ 20 °C)
85 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.64 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
35.3 °C
22 August 2018
Coldest day
-6.3 °C
26 February 1981
Wettest day
184 mm
4 September 1945
Windiest day
66.7 km/h
18 September 1945
Strongest gust
164.9 km/h
7 September 2004
Hottest feels-like
41.7 °C
4 August 2023
Coldest feels-like
-16.4 °C
26 February 1981
Snowiest day
29.6 cm
16 March 1965
Sunniest day
14.0 h
7 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.8 °C | +0.5 °C | 79 mm | -36 mm |
| Feb | 5.9 °C | -1.8 °C | 96 mm | -9 mm |
| Mar | 12.1 °C | +0.8 °C | 168 mm | +51 mm |
| Apr | 17.5 °C | +0.8 °C | 79 mm | -38 mm |
| May | 20.9 °C | +0.1 °C | 165 mm | +34 mm |
| Jun | 25.9 °C | +2.0 °C | 167 mm | -21 mm |
| Jul | 31.3 °C | +3.6 °C | 63 mm | -161 mm |
| Aug | 30.5 °C | +1.2 °C | 297 mm | +146 mm |
| Sep | 28.0 °C | +2.4 °C | 194 mm | -3 mm |
| Oct | 22.4 °C | +1.9 °C | 151 mm | +39 mm |
| Nov | 16.2 °C | +0.7 °C | 62 mm | -39 mm |
| Dec | 11.3 °C | +1.2 °C | 110 mm | -6 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Gōtsuchō?
Gōtsuchō has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 1,672 mm of precipitation per year.
What is the hottest day ever recorded in Gōtsuchō?
The hottest day measured in Gōtsuchō between 1940 and 2025 was 22 August 2018, reaching 35.3 °C.
What is the coldest day in Gōtsuchō?
The coldest day measured in Gōtsuchō between 1940 and 2025 was 26 February 1981, at -6.3 °C.
Does it snow in Gōtsuchō?
Yes. Gōtsuchō gets on average 51.6 cm of snow per year and has around 7 frost days.
Has the climate of Gōtsuchō warmed?
Yes: Gōtsuchō warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gōtsuchō?
The wettest day measured in Gōtsuchō between 1940 and 2025 was 4 September 1945, with 184 mm of rain in 24 hours.
What was the windiest day in Gōtsuchō?
The windiest day measured in Gōtsuchō between 1940 and 2025 was 18 September 1945, with winds reaching 66.7 km/h.
What is the warmest month in Gōtsuchō?
The warmest month in Gōtsuchō is August (26.6 °C on average); the coldest is January (5.1 °C).
How much does it rain in Gōtsuchō?
Gōtsuchō receives on average 1,672 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Gōtsuchō?
Gōtsuchō gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gōtsuchō?
The heaviest 24-hour snowfall measured in Gōtsuchō between 1940 and 2025 was 16 March 1965, with 29.6 cm.
Are there tropical nights in Gōtsuchō?
Yes: Gōtsuchō has on average 85 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gōtsuchō?
In Gōtsuchō, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 4 August 2023, and the lowest was -16.4 °C on 26 February 1981.
Compare Gōtsuchō with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gōtsuchō