Taku climate — normals and trends
Taku (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.1 °C and it receives 1,784 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 (27.1 °C on average) and the coldest is January (5.7 °C). Rainfall peaks in June.
Taku averages 8 frost days, 41 hot days (≥ 30 °C) and 138 rainy days per year.
Taku has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 14 to 2 per year over the period.
The hottest day of the period reached 37.8 °C (on 14 August 2018) and the coldest -5.5 °C (on 8 February 1940).
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
TakuSaga
- coords
- 33.28°, 130.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.1°C
Average daily high
19.8°C
Average daily low
12.9°C
Annual rainfall
1,784mm
Sunshine / day
8.0h
Mean relative humidity
75%
Average peak wind
14.0km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
41 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
5.4 cm
Average feels-like high
20.0 °C
Average feels-like low
12.4 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
92 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.72 · 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
37.8 °C
14 August 2018
Coldest day
-5.5 °C
8 February 1940
Wettest day
178 mm
2 June 1988
Windiest day
61.2 km/h
17 September 1959
Strongest gust
191.2 km/h
31 August 1987
Hottest feels-like
43.2 °C
30 July 2014
Coldest feels-like
-11.9 °C
16 February 1977
Snowiest day
24.8 cm
15 February 1968
Sunniest day
13.6 h
14 June 2004
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 | 9.3 °C | +0.5 °C | 21 mm | -39 mm |
| Feb | 7.9 °C | -1.9 °C | 52 mm | -26 mm |
| Mar | 14.7 °C | +1.1 °C | 149 mm | +36 mm |
| Apr | 19.7 °C | +0.9 °C | 81 mm | -65 mm |
| May | 22.7 °C | -0.2 °C | 287 mm | +119 mm |
| Jun | 27.1 °C | +1.4 °C | 445 mm | +137 mm |
| Jul | 32.9 °C | +3.5 °C | 121 mm | -174 mm |
| Aug | 32.2 °C | +1.4 °C | 292 mm | +103 mm |
| Sep | 30.1 °C | +2.9 °C | 211 mm | +23 mm |
| Oct | 25.1 °C | +2.9 °C | 61 mm | -39 mm |
| Nov | 17.7 °C | +0.9 °C | 36 mm | -46 mm |
| Dec | 13.2 °C | +1.9 °C | 57 mm | -3 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 Taku?
Taku has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.1 °C and it receives 1,784 mm of precipitation per year.
What is the hottest day ever recorded in Taku?
The hottest day measured in Taku between 1940 and 2025 was 14 August 2018, reaching 37.8 °C.
What is the coldest day in Taku?
The coldest day measured in Taku between 1940 and 2025 was 8 February 1940, at -5.5 °C.
Does it snow in Taku?
Yes. Taku gets on average 5.4 cm of snow per year and has around 8 frost days.
Has the climate of Taku warmed?
Yes: Taku warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Taku?
The wettest day measured in Taku between 1940 and 2025 was 2 June 1988, with 178 mm of rain in 24 hours.
What was the windiest day in Taku?
The windiest day measured in Taku between 1940 and 2025 was 17 September 1959, with winds reaching 61.2 km/h.
What is the warmest month in Taku?
The warmest month in Taku is August (27.1 °C on average); the coldest is January (5.7 °C).
How much does it rain in Taku?
Taku receives on average 1,784 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Taku?
Taku gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Taku?
The heaviest 24-hour snowfall measured in Taku between 1940 and 2025 was 15 February 1968, with 24.8 cm.
Are there tropical nights in Taku?
Yes: Taku has on average 92 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Taku?
In Taku, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 30 July 2014, and the lowest was -11.9 °C on 16 February 1977.
Compare Taku with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Taku