Minamiawaji climate — normals and trends
Minamiawaji (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.9 °C and it receives 1,597 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 (26.6 °C on average) and the coldest is January (8.1 °C). Rainfall peaks in June.
Minamiawaji averages 0 frost days, 0 hot days (≥ 30 °C) and 137 rainy days per year.
Minamiawaji has warmed by +0.6 °C between 1940 and 2025, or +0.07 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.6 °C (on 17 August 2002) and the coldest -0.9 °C (on 26 February 1981).
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
MinamiawajiHyōgo
- coords
- 34.27°, 134.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.9°C
Average daily high
18.3°C
Average daily low
15.7°C
Annual rainfall
1,597mm
Sunshine / day
9.1h
Mean relative humidity
74%
Average peak wind
31.1km/h
Seasonal range
18.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
2.7 cm
Average feels-like high
17.5 °C
Average feels-like low
13.1 °C
Average peak gust
44.5 km/h
Tropical nights (≥ 20 °C)
122 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.6 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
31.6 °C
17 August 2002
Coldest day
-0.9 °C
26 February 1981
Wettest day
214 mm
22 October 2017
Windiest day
109.6 km/h
25 September 1964
Strongest gust
164.9 km/h
25 September 1964
Hottest feels-like
37.7 °C
12 August 1998
Coldest feels-like
-11.7 °C
26 February 1981
Snowiest day
6.1 cm
26 February 1981
Sunniest day
14.0 h
28 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 | 9.4 °C | -0.4 °C | 38 mm | -36 mm |
| Feb | 7.9 °C | -2.1 °C | 33 mm | -51 mm |
| Mar | 11.4 °C | -1.2 °C | 90 mm | -19 mm |
| Apr | 15.4 °C | -0.9 °C | 73 mm | -60 mm |
| May | 18.9 °C | -0.2 °C | 242 mm | +84 mm |
| Jun | 23.2 °C | +1.0 °C | 205 mm | -20 mm |
| Jul | 27.5 °C | +1.8 °C | 51 mm | -118 mm |
| Aug | 28.8 °C | +1.5 °C | 163 mm | +58 mm |
| Sep | 27.5 °C | +1.8 °C | 142 mm | -66 mm |
| Oct | 23.2 °C | +1.8 °C | 264 mm | +99 mm |
| Nov | 17.7 °C | +0.6 °C | 29 mm | -71 mm |
| Dec | 13.7 °C | +1.3 °C | 48 mm | -20 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 Minamiawaji?
Minamiawaji has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.9 °C and it receives 1,597 mm of precipitation per year.
What is the hottest day ever recorded in Minamiawaji?
The hottest day measured in Minamiawaji between 1940 and 2025 was 17 August 2002, reaching 31.6 °C.
What is the coldest day in Minamiawaji?
The coldest day measured in Minamiawaji between 1940 and 2025 was 26 February 1981, at -0.9 °C.
Does it snow in Minamiawaji?
Yes. Minamiawaji gets on average 2.7 cm of snow per year and has around 0 frost days.
Has the climate of Minamiawaji warmed?
Yes: Minamiawaji warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Minamiawaji?
The wettest day measured in Minamiawaji between 1940 and 2025 was 22 October 2017, with 214 mm of rain in 24 hours.
What was the windiest day in Minamiawaji?
The windiest day measured in Minamiawaji between 1940 and 2025 was 25 September 1964, with winds reaching 109.6 km/h.
What is the warmest month in Minamiawaji?
The warmest month in Minamiawaji is August (26.6 °C on average); the coldest is January (8.1 °C).
How much does it rain in Minamiawaji?
Minamiawaji receives on average 1,597 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Minamiawaji?
Minamiawaji gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Minamiawaji?
The heaviest 24-hour snowfall measured in Minamiawaji between 1940 and 2025 was 26 February 1981, with 6.1 cm.
Are there tropical nights in Minamiawaji?
Yes: Minamiawaji has on average 122 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Minamiawaji?
In Minamiawaji, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 12 August 1998, and the lowest was -11.7 °C on 26 February 1981.
Compare Minamiawaji with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Minamiawaji