Fukuyama climate — normals and trends
Fukuyama (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.9 °C and it receives 1,244 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 (27.8 °C on average) and the coldest is January (4.9 °C). Rainfall peaks in June.
Fukuyama averages 22 frost days, 46 hot days (≥ 30 °C) and 114 rainy days per year.
Fukuyama has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 39 to 5 per year over the period.
The hottest day of the period reached 38.2 °C (on 1 August 2001) and the coldest -7.3 °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
FukuyamaHiroshima
- coords
- 34.48°, 133.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.9°C
Average daily high
19.8°C
Average daily low
12.0°C
Annual rainfall
1,244mm
Sunshine / day
8.8h
Mean relative humidity
69%
Average peak wind
15.0km/h
Seasonal range
22.9°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
46 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
7.4 cm
Average feels-like high
19.4 °C
Average feels-like low
11.0 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
88 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.71 · 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
38.2 °C
1 August 2001
Coldest day
-7.3 °C
8 February 1940
Wettest day
137 mm
7 July 2018
Windiest day
64.5 km/h
7 September 2004
Strongest gust
163.8 km/h
7 September 2004
Hottest feels-like
44.2 °C
24 July 2018
Coldest feels-like
-13.6 °C
16 February 1977
Snowiest day
19.3 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 | 9.1 °C | +0.4 °C | 13 mm | -25 mm |
| Feb | 7.4 °C | -2.1 °C | 36 mm | -19 mm |
| Mar | 13.9 °C | +0.7 °C | 118 mm | +32 mm |
| Apr | 19.7 °C | +1.0 °C | 54 mm | -55 mm |
| May | 23.1 °C | +0.2 °C | 164 mm | +38 mm |
| Jun | 27.7 °C | +1.8 °C | 250 mm | +59 mm |
| Jul | 33.3 °C | +3.6 °C | 47 mm | -139 mm |
| Aug | 33.1 °C | +1.6 °C | 139 mm | +26 mm |
| Sep | 29.6 °C | +2.0 °C | 165 mm | +17 mm |
| Oct | 23.7 °C | +1.6 °C | 148 mm | +55 mm |
| Nov | 17.0 °C | +0.3 °C | 26 mm | -33 mm |
| Dec | 11.8 °C | +0.6 °C | 34 mm | -4 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 Fukuyama?
Fukuyama has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 1,244 mm of precipitation per year.
What is the hottest day ever recorded in Fukuyama?
The hottest day measured in Fukuyama between 1940 and 2025 was 1 August 2001, reaching 38.2 °C.
What is the coldest day in Fukuyama?
The coldest day measured in Fukuyama between 1940 and 2025 was 8 February 1940, at -7.3 °C.
Does it snow in Fukuyama?
Yes. Fukuyama gets on average 7.4 cm of snow per year and has around 22 frost days.
Has the climate of Fukuyama warmed?
Yes: Fukuyama warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fukuyama?
The wettest day measured in Fukuyama between 1940 and 2025 was 7 July 2018, with 137 mm of rain in 24 hours.
What was the windiest day in Fukuyama?
The windiest day measured in Fukuyama between 1940 and 2025 was 7 September 2004, with winds reaching 64.5 km/h.
What is the warmest month in Fukuyama?
The warmest month in Fukuyama is August (27.8 °C on average); the coldest is January (4.9 °C).
How much does it rain in Fukuyama?
Fukuyama receives on average 1,244 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Fukuyama?
Fukuyama gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fukuyama?
The heaviest 24-hour snowfall measured in Fukuyama between 1940 and 2025 was 15 February 1968, with 19.3 cm.
Are there tropical nights in Fukuyama?
Yes: Fukuyama has on average 88 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fukuyama?
In Fukuyama, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 24 July 2018, and the lowest was -13.6 °C on 16 February 1977.
Compare Fukuyama with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fukuyama