Shikokuchūō climate — normals and trends
Shikokuchūō (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 1,923 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 (25.7 °C on average) and the coldest is January (3.9 °C). Rainfall peaks in June.
Shikokuchūō averages 22 frost days, 10 hot days (≥ 30 °C) and 176 rainy days per year.
Shikokuchūō has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 37 to 7 per year over the period.
The hottest day of the period reached 32.9 °C (on 25 July 2018) and the coldest -7.6 °C (on 17 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
ShikokuchūōEhime
- coords
- 33.98°, 133.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
17.5°C
Average daily low
11.8°C
Annual rainfall
1,923mm
Sunshine / day
8.9h
Mean relative humidity
76%
Average peak wind
13.4km/h
Seasonal range
21.8°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
176 d/yr
Annual snowfall
28.0 cm
Average feels-like high
17.4 °C
Average feels-like low
10.9 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
83 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.66 · 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
32.9 °C
25 July 2018
Coldest day
-7.6 °C
17 February 1977
Wettest day
198 mm
20 October 2004
Windiest day
63.7 km/h
7 September 2004
Strongest gust
172.4 km/h
7 September 2004
Hottest feels-like
40.0 °C
22 August 2024
Coldest feels-like
-13.4 °C
26 February 1981
Snowiest day
22.8 cm
15 February 1968
Sunniest day
14.0 h
10 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 | 6.7 °C | 0.0 °C | 46 mm | -35 mm |
| Feb | 5.7 °C | -1.7 °C | 59 mm | -32 mm |
| Mar | 11.6 °C | +0.6 °C | 120 mm | +2 mm |
| Apr | 16.7 °C | +0.5 °C | 93 mm | -53 mm |
| May | 20.2 °C | 0.0 °C | 235 mm | +63 mm |
| Jun | 25.1 °C | +1.7 °C | 335 mm | +63 mm |
| Jul | 29.8 °C | +2.5 °C | 99 mm | -154 mm |
| Aug | 30.1 °C | +1.6 °C | 173 mm | -17 mm |
| Sep | 27.7 °C | +2.5 °C | 199 mm | -52 mm |
| Oct | 22.0 °C | +2.2 °C | 254 mm | +89 mm |
| Nov | 15.5 °C | +0.8 °C | 42 mm | -61 mm |
| Dec | 10.8 °C | +1.4 °C | 59 mm | -22 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 Shikokuchūō?
Shikokuchūō has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 1,923 mm of precipitation per year.
What is the hottest day ever recorded in Shikokuchūō?
The hottest day measured in Shikokuchūō between 1940 and 2025 was 25 July 2018, reaching 32.9 °C.
What is the coldest day in Shikokuchūō?
The coldest day measured in Shikokuchūō between 1940 and 2025 was 17 February 1977, at -7.6 °C.
Does it snow in Shikokuchūō?
Yes. Shikokuchūō gets on average 28.0 cm of snow per year and has around 22 frost days.
Has the climate of Shikokuchūō warmed?
Yes: Shikokuchūō warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shikokuchūō?
The wettest day measured in Shikokuchūō between 1940 and 2025 was 20 October 2004, with 198 mm of rain in 24 hours.
What was the windiest day in Shikokuchūō?
The windiest day measured in Shikokuchūō between 1940 and 2025 was 7 September 2004, with winds reaching 63.7 km/h.
What is the warmest month in Shikokuchūō?
The warmest month in Shikokuchūō is August (25.7 °C on average); the coldest is January (3.9 °C).
How much does it rain in Shikokuchūō?
Shikokuchūō receives on average 1,923 mm of precipitation per year, spread over about 176 rainy days.
Is it sunny in Shikokuchūō?
Shikokuchūō 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 Shikokuchūō?
The heaviest 24-hour snowfall measured in Shikokuchūō between 1940 and 2025 was 15 February 1968, with 22.8 cm.
Are there tropical nights in Shikokuchūō?
Yes: Shikokuchūō has on average 83 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shikokuchūō?
In Shikokuchūō, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 22 August 2024, and the lowest was -13.4 °C on 26 February 1981.
Compare Shikokuchūō with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shikokuchūō