Etajima climate — normals and trends
Etajima (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 1,494 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 (26.4 °C on average) and the coldest is January (5.9 °C). Rainfall peaks in June.
Etajima averages 3 frost days, 7 hot days (≥ 30 °C) and 119 rainy days per year.
Etajima has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 5 to 1 per year over the period.
The hottest day of the period reached 32.5 °C (on 30 July 2004) and the coldest -5.1 °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
EtajimaHiroshima
- coords
- 34.24°, 132.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
18.0°C
Average daily low
13.5°C
Annual rainfall
1,494mm
Sunshine / day
8.9h
Mean relative humidity
73%
Average peak wind
18.3km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
5.5 cm
Average feels-like high
17.8 °C
Average feels-like low
12.3 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
95 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.60 · 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
32.5 °C
30 July 2004
Coldest day
-5.1 °C
16 February 1977
Wettest day
155 mm
7 July 2018
Windiest day
88.3 km/h
7 September 2004
Strongest gust
178.6 km/h
7 September 2004
Hottest feels-like
39.9 °C
4 August 2024
Coldest feels-like
-12.7 °C
16 February 1977
Snowiest day
10.7 cm
15 February 1968
Sunniest day
14.0 h
9 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 | 8.6 °C | +0.4 °C | 16 mm | -33 mm |
| Feb | 7.1 °C | -1.6 °C | 51 mm | -20 mm |
| Mar | 12.3 °C | +0.6 °C | 155 mm | +46 mm |
| Apr | 16.4 °C | +0.1 °C | 79 mm | -63 mm |
| May | 19.8 °C | -0.2 °C | 222 mm | +65 mm |
| Jun | 24.3 °C | +1.2 °C | 319 mm | +87 mm |
| Jul | 29.3 °C | +2.5 °C | 43 mm | -161 mm |
| Aug | 29.8 °C | +1.4 °C | 166 mm | +41 mm |
| Sep | 27.7 °C | +2.0 °C | 256 mm | +80 mm |
| Oct | 22.8 °C | +1.9 °C | 114 mm | +8 mm |
| Nov | 16.7 °C | +0.8 °C | 28 mm | -46 mm |
| Dec | 11.8 °C | +1.0 °C | 43 mm | -7 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 Etajima?
Etajima has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 1,494 mm of precipitation per year.
What is the hottest day ever recorded in Etajima?
The hottest day measured in Etajima between 1940 and 2025 was 30 July 2004, reaching 32.5 °C.
What is the coldest day in Etajima?
The coldest day measured in Etajima between 1940 and 2025 was 16 February 1977, at -5.1 °C.
Does it snow in Etajima?
Yes. Etajima gets on average 5.5 cm of snow per year and has around 3 frost days.
Has the climate of Etajima warmed?
Yes: Etajima warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Etajima?
The wettest day measured in Etajima between 1940 and 2025 was 7 July 2018, with 155 mm of rain in 24 hours.
What was the windiest day in Etajima?
The windiest day measured in Etajima between 1940 and 2025 was 7 September 2004, with winds reaching 88.3 km/h.
What is the warmest month in Etajima?
The warmest month in Etajima is August (26.4 °C on average); the coldest is January (5.9 °C).
How much does it rain in Etajima?
Etajima receives on average 1,494 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Etajima?
Etajima gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Etajima?
The heaviest 24-hour snowfall measured in Etajima between 1940 and 2025 was 15 February 1968, with 10.7 cm.
Are there tropical nights in Etajima?
Yes: Etajima has on average 95 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Etajima?
In Etajima, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 4 August 2024, and the lowest was -12.7 °C on 16 February 1977.
Compare Etajima with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Etajima