Awaji climate — normals and trends
Awaji (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 1,598 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 (6.9 °C). Rainfall peaks in June.
Awaji averages 0 frost days, 2 hot days (≥ 30 °C) and 143 rainy days per year.
Awaji has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.1 °C (on 17 August 2002) and the coldest -1.8 °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
AwajiHyōgo
- coords
- 34.48°, 134.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
18.1°C
Average daily low
14.6°C
Annual rainfall
1,598mm
Sunshine / day
9.0h
Mean relative humidity
75%
Average peak wind
25.9km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
143 d/yr
Annual snowfall
5.1 cm
Average feels-like high
17.6 °C
Average feels-like low
12.7 °C
Average peak gust
39.9 km/h
Tropical nights (≥ 20 °C)
109 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.50 · 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
33.1 °C
17 August 2002
Coldest day
-1.8 °C
26 February 1981
Wettest day
197 mm
16 September 1972
Windiest day
96.5 km/h
25 September 1964
Strongest gust
156.2 km/h
26 September 1959
Hottest feels-like
39.3 °C
5 August 1972
Coldest feels-like
-11.7 °C
26 February 1981
Snowiest day
12.7 cm
12 February 1994
Sunniest day
14.0 h
3 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 | 8.8 °C | -0.1 °C | 49 mm | -30 mm |
| Feb | 7.3 °C | -1.8 °C | 43 mm | -38 mm |
| Mar | 11.1 °C | -0.8 °C | 81 mm | -26 mm |
| Apr | 15.8 °C | -0.3 °C | 63 mm | -68 mm |
| May | 19.6 °C | +0.1 °C | 235 mm | +80 mm |
| Jun | 23.7 °C | +1.0 °C | 190 mm | -27 mm |
| Jul | 28.1 °C | +1.9 °C | 64 mm | -117 mm |
| Aug | 29.1 °C | +1.2 °C | 221 mm | +100 mm |
| Sep | 27.5 °C | +1.7 °C | 172 mm | -34 mm |
| Oct | 22.7 °C | +1.6 °C | 242 mm | +92 mm |
| Nov | 16.7 °C | +0.3 °C | 36 mm | -61 mm |
| Dec | 12.7 °C | +1.2 °C | 50 mm | -26 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 Awaji?
Awaji has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 1,598 mm of precipitation per year.
What is the hottest day ever recorded in Awaji?
The hottest day measured in Awaji between 1940 and 2025 was 17 August 2002, reaching 33.1 °C.
What is the coldest day in Awaji?
The coldest day measured in Awaji between 1940 and 2025 was 26 February 1981, at -1.8 °C.
Does it snow in Awaji?
Yes. Awaji gets on average 5.1 cm of snow per year and has around 0 frost days.
Has the climate of Awaji warmed?
Yes: Awaji warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Awaji?
The wettest day measured in Awaji between 1940 and 2025 was 16 September 1972, with 197 mm of rain in 24 hours.
What was the windiest day in Awaji?
The windiest day measured in Awaji between 1940 and 2025 was 25 September 1964, with winds reaching 96.5 km/h.
What is the warmest month in Awaji?
The warmest month in Awaji is August (26.7 °C on average); the coldest is January (6.9 °C).
How much does it rain in Awaji?
Awaji receives on average 1,598 mm of precipitation per year, spread over about 143 rainy days.
Is it sunny in Awaji?
Awaji 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 Awaji?
The heaviest 24-hour snowfall measured in Awaji between 1940 and 2025 was 12 February 1994, with 12.7 cm.
Are there tropical nights in Awaji?
Yes: Awaji has on average 109 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Awaji?
In Awaji, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 5 August 1972, and the lowest was -11.7 °C on 26 February 1981.
Compare Awaji with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Awaji