Takamatsu climate — normals and trends
Takamatsu (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 1,458 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 (26.7 °C on average) and the coldest is January (5.2 °C). Rainfall peaks in June.
Takamatsu averages 8 frost days, 22 hot days (≥ 30 °C) and 145 rainy days per year.
Takamatsu 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 15 to 1 per year over the period.
The hottest day of the period reached 34.0 °C (on 3 September 2020) and the coldest -5.9 °C (on 16 February 1951).
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
TakamatsuKagawa
- coords
- 34.33°, 134.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
18.3°C
Average daily low
12.9°C
Annual rainfall
1,458mm
Sunshine / day
9.0h
Mean relative humidity
73%
Average peak wind
15.8km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
13.7 cm
Average feels-like high
18.3 °C
Average feels-like low
11.9 °C
Average peak gust
36.7 km/h
Tropical nights (≥ 20 °C)
93 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.62 · 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
34.0 °C
3 September 2020
Coldest day
-5.9 °C
16 February 1951
Wettest day
172 mm
20 October 2004
Windiest day
57.2 km/h
25 September 1964
Strongest gust
147.6 km/h
14 September 1954
Hottest feels-like
40.9 °C
1 August 2022
Coldest feels-like
-13.1 °C
26 February 1981
Snowiest day
23.9 cm
15 February 1968
Sunniest day
14.0 h
21 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 | 7.9 °C | +0.1 °C | 25 mm | -37 mm |
| Feb | 7.0 °C | -1.4 °C | 36 mm | -33 mm |
| Mar | 12.3 °C | +0.4 °C | 93 mm | -3 mm |
| Apr | 17.3 °C | +0.3 °C | 65 mm | -50 mm |
| May | 20.9 °C | -0.1 °C | 207 mm | +69 mm |
| Jun | 25.6 °C | +1.5 °C | 222 mm | +12 mm |
| Jul | 30.7 °C | +2.7 °C | 40 mm | -145 mm |
| Aug | 31.1 °C | +1.8 °C | 142 mm | +10 mm |
| Sep | 28.7 °C | +2.8 °C | 151 mm | -35 mm |
| Oct | 22.7 °C | +2.1 °C | 196 mm | +68 mm |
| Nov | 16.2 °C | +0.6 °C | 26 mm | -54 mm |
| Dec | 11.6 °C | +1.1 °C | 42 mm | -16 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 Takamatsu?
Takamatsu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 1,458 mm of precipitation per year.
What is the hottest day ever recorded in Takamatsu?
The hottest day measured in Takamatsu between 1940 and 2025 was 3 September 2020, reaching 34.0 °C.
What is the coldest day in Takamatsu?
The coldest day measured in Takamatsu between 1940 and 2025 was 16 February 1951, at -5.9 °C.
Does it snow in Takamatsu?
Yes. Takamatsu gets on average 13.7 cm of snow per year and has around 8 frost days.
Has the climate of Takamatsu warmed?
Yes: Takamatsu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Takamatsu?
The wettest day measured in Takamatsu between 1940 and 2025 was 20 October 2004, with 172 mm of rain in 24 hours.
What was the windiest day in Takamatsu?
The windiest day measured in Takamatsu between 1940 and 2025 was 25 September 1964, with winds reaching 57.2 km/h.
What is the warmest month in Takamatsu?
The warmest month in Takamatsu is August (26.7 °C on average); the coldest is January (5.2 °C).
How much does it rain in Takamatsu?
Takamatsu receives on average 1,458 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Takamatsu?
Takamatsu gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Takamatsu?
The heaviest 24-hour snowfall measured in Takamatsu between 1940 and 2025 was 15 February 1968, with 23.9 cm.
Are there tropical nights in Takamatsu?
Yes: Takamatsu has on average 93 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Takamatsu?
In Takamatsu, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 1 August 2022, and the lowest was -13.1 °C on 26 February 1981.
Compare Takamatsu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Takamatsu