Ushitsu climate — normals and trends
Ushitsu (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.6 °C and it receives 2,083 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 (26.5 °C on average) and the coldest is February (4.6 °C). Rainfall peaks in July.
Ushitsu averages 4 frost days, 4 hot days (≥ 30 °C) and 198 rainy days per year.
Ushitsu has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 8 to 0 per year over the period.
The hottest day of the period reached 33.2 °C (on 15 August 2019) and the coldest -2.5 °C (on 2 February 1996).
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
UshitsuIshikawa
- coords
- 37.31°, 137.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.6°C
Average daily high
16.0°C
Average daily low
13.3°C
Annual rainfall
2,083mm
Sunshine / day
8.9h
Mean relative humidity
75%
Average peak wind
26.7km/h
Seasonal range
21.9°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
198 d/yr
Annual snowfall
89.2 cm
Average feels-like high
15.0 °C
Average feels-like low
10.8 °C
Average peak gust
41.4 km/h
Tropical nights (≥ 20 °C)
97 d/yr
Solar radiation
14.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
33.2 °C
15 August 2019
Coldest day
-2.5 °C
2 February 1996
Wettest day
166 mm
19 June 2013
Windiest day
102.3 km/h
28 September 1991
Strongest gust
174.2 km/h
28 September 1991
Hottest feels-like
40.4 °C
8 August 2023
Coldest feels-like
-13.0 °C
24 January 2023
Snowiest day
30.2 cm
28 December 1980
Sunniest day
14.0 h
26 May 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 | 7.3 °C | +1.0 °C | 266 mm | +72 mm |
| Feb | 5.9 °C | -0.2 °C | 136 mm | +3 mm |
| Mar | 10.0 °C | +1.5 °C | 134 mm | +6 mm |
| Apr | 13.4 °C | +0.7 °C | 96 mm | -30 mm |
| May | 17.7 °C | +0.6 °C | 135 mm | +9 mm |
| Jun | 23.1 °C | +2.0 °C | 167 mm | -2 mm |
| Jul | 28.9 °C | +3.4 °C | 17 mm | -221 mm |
| Aug | 29.5 °C | +1.9 °C | 324 mm | +158 mm |
| Sep | 27.1 °C | +2.7 °C | 239 mm | +17 mm |
| Oct | 20.7 °C | +1.4 °C | 273 mm | +106 mm |
| Nov | 14.9 °C | +0.5 °C | 157 mm | -27 mm |
| Dec | 11.0 °C | +1.6 °C | 225 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 Ushitsu?
Ushitsu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.6 °C and it receives 2,083 mm of precipitation per year.
What is the hottest day ever recorded in Ushitsu?
The hottest day measured in Ushitsu between 1940 and 2025 was 15 August 2019, reaching 33.2 °C.
What is the coldest day in Ushitsu?
The coldest day measured in Ushitsu between 1940 and 2025 was 2 February 1996, at -2.5 °C.
Does it snow in Ushitsu?
Yes. Ushitsu gets on average 89.2 cm of snow per year and has around 4 frost days.
Has the climate of Ushitsu warmed?
Yes: Ushitsu warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ushitsu?
The wettest day measured in Ushitsu between 1940 and 2025 was 19 June 2013, with 166 mm of rain in 24 hours.
What was the windiest day in Ushitsu?
The windiest day measured in Ushitsu between 1940 and 2025 was 28 September 1991, with winds reaching 102.3 km/h.
What is the warmest month in Ushitsu?
The warmest month in Ushitsu is August (26.5 °C on average); the coldest is February (4.6 °C).
How much does it rain in Ushitsu?
Ushitsu receives on average 2,083 mm of precipitation per year, spread over about 198 rainy days.
Is it sunny in Ushitsu?
Ushitsu gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ushitsu?
The heaviest 24-hour snowfall measured in Ushitsu between 1940 and 2025 was 28 December 1980, with 30.2 cm.
Are there tropical nights in Ushitsu?
Yes: Ushitsu has on average 97 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ushitsu?
In Ushitsu, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 8 August 2023, and the lowest was -13.0 °C on 24 January 2023.
Compare Ushitsu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ushitsu