Matsuura climate — normals and trends
Matsuura (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 1,720 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 (27.3 °C on average) and the coldest is January (6.4 °C). Rainfall peaks in June.
Matsuura averages 4 frost days, 37 hot days (≥ 30 °C) and 137 rainy days per year.
Matsuura 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 7 to 1 per year over the period.
The hottest day of the period reached 37.1 °C (on 14 August 2018) and the coldest -4.2 °C (on 16 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
MatsuuraNagasaki
- coords
- 33.34°, 129.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
19.8°C
Average daily low
13.7°C
Annual rainfall
1,720mm
Sunshine / day
8.0h
Mean relative humidity
74%
Average peak wind
17.0km/h
Seasonal range
20.9°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
37 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
4.2 cm
Average feels-like high
19.8 °C
Average feels-like low
12.8 °C
Average peak gust
38.4 km/h
Tropical nights (≥ 20 °C)
97 d/yr
Solar radiation
14.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.73 · 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
37.1 °C
14 August 2018
Coldest day
-4.2 °C
16 February 1977
Wettest day
187 mm
2 July 1993
Windiest day
76.7 km/h
31 August 1987
Strongest gust
211.0 km/h
31 August 1987
Hottest feels-like
43.4 °C
17 July 1994
Coldest feels-like
-11.8 °C
16 February 1977
Snowiest day
22.3 cm
15 February 1968
Sunniest day
13.7 h
15 June 1950
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 | 9.9 °C | +0.7 °C | 25 mm | -34 mm |
| Feb | 8.3 °C | -1.9 °C | 56 mm | -20 mm |
| Mar | 14.8 °C | +1.1 °C | 137 mm | +30 mm |
| Apr | 19.6 °C | +1.0 °C | 76 mm | -67 mm |
| May | 22.4 °C | -0.2 °C | 262 mm | +101 mm |
| Jun | 26.7 °C | +1.4 °C | 408 mm | +117 mm |
| Jul | 32.5 °C | +3.4 °C | 132 mm | -146 mm |
| Aug | 31.9 °C | +1.3 °C | 279 mm | +99 mm |
| Sep | 30.1 °C | +2.9 °C | 207 mm | +22 mm |
| Oct | 25.3 °C | +2.9 °C | 57 mm | -40 mm |
| Nov | 18.2 °C | +1.0 °C | 47 mm | -36 mm |
| Dec | 13.9 °C | +2.2 °C | 59 mm | -1 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 Matsuura?
Matsuura has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 1,720 mm of precipitation per year.
What is the hottest day ever recorded in Matsuura?
The hottest day measured in Matsuura between 1940 and 2025 was 14 August 2018, reaching 37.1 °C.
What is the coldest day in Matsuura?
The coldest day measured in Matsuura between 1940 and 2025 was 16 February 1977, at -4.2 °C.
Does it snow in Matsuura?
Yes. Matsuura gets on average 4.2 cm of snow per year and has around 4 frost days.
Has the climate of Matsuura warmed?
Yes: Matsuura warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Matsuura?
The wettest day measured in Matsuura between 1940 and 2025 was 2 July 1993, with 187 mm of rain in 24 hours.
What was the windiest day in Matsuura?
The windiest day measured in Matsuura between 1940 and 2025 was 31 August 1987, with winds reaching 76.7 km/h.
What is the warmest month in Matsuura?
The warmest month in Matsuura is August (27.3 °C on average); the coldest is January (6.4 °C).
How much does it rain in Matsuura?
Matsuura receives on average 1,720 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Matsuura?
Matsuura 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 Matsuura?
The heaviest 24-hour snowfall measured in Matsuura between 1940 and 2025 was 15 February 1968, with 22.3 cm.
Are there tropical nights in Matsuura?
Yes: Matsuura has on average 97 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Matsuura?
In Matsuura, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 17 July 1994, and the lowest was -11.8 °C on 16 February 1977.
Compare Matsuura with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Matsuura