Uchiko climate — normals and trends
Uchiko (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 1,801 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 (25.5 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in June.
Uchiko averages 65 frost days, 31 hot days (≥ 30 °C) and 159 rainy days per year.
Uchiko has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 88 to 42 per year over the period.
The hottest day of the period reached 36.4 °C (on 12 August 2013) and the coldest -14.3 °C (on 19 February 1977).
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
UchikoEhime
- coords
- 33.55°, 132.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.0°C
Average daily high
18.6°C
Average daily low
9.8°C
Annual rainfall
1,801mm
Sunshine / day
8.6h
Mean relative humidity
76%
Average peak wind
12.8km/h
Seasonal range
23.0°C
Frost days (< 0 °C)
65 d/yr
Hot days (≥ 30 °C)
31 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
28.0 cm
Average feels-like high
18.4 °C
Average feels-like low
8.9 °C
Average peak gust
40.6 km/h
Tropical nights (≥ 20 °C)
69 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.75 · 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
36.4 °C
12 August 2013
Coldest day
-14.3 °C
19 February 1977
Wettest day
166 mm
25 October 2013
Windiest day
50.9 km/h
7 September 2004
Strongest gust
186.1 km/h
7 September 2004
Hottest feels-like
41.7 °C
17 July 1994
Coldest feels-like
-18.4 °C
19 February 1977
Snowiest day
23.9 cm
15 February 1968
Sunniest day
13.9 h
20 June 2025
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 | 7.2 °C | +0.3 °C | 43 mm | -23 mm |
| Feb | 6.3 °C | -1.8 °C | 63 mm | -21 mm |
| Mar | 14.1 °C | +1.8 °C | 112 mm | -5 mm |
| Apr | 18.8 °C | +0.8 °C | 112 mm | -35 mm |
| May | 22.3 °C | +0.2 °C | 269 mm | +97 mm |
| Jun | 27.0 °C | +2.0 °C | 300 mm | +19 mm |
| Jul | 31.5 °C | +2.8 °C | 82 mm | -173 mm |
| Aug | 31.5 °C | +1.8 °C | 171 mm | -18 mm |
| Sep | 28.9 °C | +2.5 °C | 205 mm | -3 mm |
| Oct | 23.7 °C | +2.6 °C | 211 mm | +79 mm |
| Nov | 16.4 °C | +0.9 °C | 42 mm | -44 mm |
| Dec | 11.4 °C | +1.8 °C | 39 mm | -26 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 Uchiko?
Uchiko has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,801 mm of precipitation per year.
What is the hottest day ever recorded in Uchiko?
The hottest day measured in Uchiko between 1940 and 2025 was 12 August 2013, reaching 36.4 °C.
What is the coldest day in Uchiko?
The coldest day measured in Uchiko between 1940 and 2025 was 19 February 1977, at -14.3 °C.
Does it snow in Uchiko?
Yes. Uchiko gets on average 28.0 cm of snow per year and has around 65 frost days.
Has the climate of Uchiko warmed?
Yes: Uchiko warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Uchiko?
The wettest day measured in Uchiko between 1940 and 2025 was 25 October 2013, with 166 mm of rain in 24 hours.
What was the windiest day in Uchiko?
The windiest day measured in Uchiko between 1940 and 2025 was 7 September 2004, with winds reaching 50.9 km/h.
What is the warmest month in Uchiko?
The warmest month in Uchiko is August (25.5 °C on average); the coldest is January (2.5 °C).
How much does it rain in Uchiko?
Uchiko receives on average 1,801 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Uchiko?
Uchiko 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 Uchiko?
The heaviest 24-hour snowfall measured in Uchiko between 1940 and 2025 was 15 February 1968, with 23.9 cm.
Are there tropical nights in Uchiko?
Yes: Uchiko has on average 69 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Uchiko?
In Uchiko, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 17 July 1994, and the lowest was -18.4 °C on 19 February 1977.
Compare Uchiko with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Uchiko