Shizuoka climate — normals and trends
Shizuoka (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 2,472 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 (25.3 °C on average) and the coldest is January (5.9 °C). Rainfall peaks in June.
Shizuoka averages 5 frost days, 4 hot days (≥ 30 °C) and 172 rainy days per year.
Shizuoka has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 11 to 0 per year over the period.
The hottest day of the period reached 33.8 °C (on 3 August 2022) and the coldest -4.2 °C (on 27 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
ShizuokaShizuoka
- coords
- 34.98°, 138.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
17.8°C
Average daily low
13.1°C
Annual rainfall
2,472mm
Sunshine / day
8.7h
Mean relative humidity
75%
Average peak wind
16.6km/h
Seasonal range
19.4°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
172 d/yr
Annual snowfall
5.7 cm
Average feels-like high
17.6 °C
Average feels-like low
12.3 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
89 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.62 · 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
33.8 °C
3 August 2022
Coldest day
-4.2 °C
27 February 1981
Wettest day
235 mm
12 October 2019
Windiest day
67.2 km/h
26 September 1959
Strongest gust
158.0 km/h
1 October 2018
Hottest feels-like
40.2 °C
15 August 2020
Coldest feels-like
-11.0 °C
26 February 1981
Snowiest day
22.7 cm
15 February 1968
Sunniest day
14.0 h
18 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 | 10.1 °C | +1.3 °C | 44 mm | -37 mm |
| Feb | 9.2 °C | 0.0 °C | 36 mm | -80 mm |
| Mar | 13.8 °C | +2.0 °C | 229 mm | +26 mm |
| Apr | 17.2 °C | +1.2 °C | 179 mm | -54 mm |
| May | 20.4 °C | +0.8 °C | 324 mm | +72 mm |
| Jun | 25.2 °C | +2.7 °C | 265 mm | -53 mm |
| Jul | 28.5 °C | +2.5 °C | 255 mm | -49 mm |
| Aug | 29.7 °C | +2.3 °C | 146 mm | -90 mm |
| Sep | 27.4 °C | +2.5 °C | 228 mm | -47 mm |
| Oct | 21.7 °C | +1.4 °C | 237 mm | +13 mm |
| Nov | 16.4 °C | +0.5 °C | 41 mm | -105 mm |
| Dec | 12.7 °C | +1.4 °C | 106 mm | +22 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 Shizuoka?
Shizuoka has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 2,472 mm of precipitation per year.
What is the hottest day ever recorded in Shizuoka?
The hottest day measured in Shizuoka between 1940 and 2025 was 3 August 2022, reaching 33.8 °C.
What is the coldest day in Shizuoka?
The coldest day measured in Shizuoka between 1940 and 2025 was 27 February 1981, at -4.2 °C.
Does it snow in Shizuoka?
Yes. Shizuoka gets on average 5.7 cm of snow per year and has around 5 frost days.
Has the climate of Shizuoka warmed?
Yes: Shizuoka warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shizuoka?
The wettest day measured in Shizuoka between 1940 and 2025 was 12 October 2019, with 235 mm of rain in 24 hours.
What was the windiest day in Shizuoka?
The windiest day measured in Shizuoka between 1940 and 2025 was 26 September 1959, with winds reaching 67.2 km/h.
What is the warmest month in Shizuoka?
The warmest month in Shizuoka is August (25.3 °C on average); the coldest is January (5.9 °C).
How much does it rain in Shizuoka?
Shizuoka receives on average 2,472 mm of precipitation per year, spread over about 172 rainy days.
Is it sunny in Shizuoka?
Shizuoka gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shizuoka?
The heaviest 24-hour snowfall measured in Shizuoka between 1940 and 2025 was 15 February 1968, with 22.7 cm.
Are there tropical nights in Shizuoka?
Yes: Shizuoka has on average 89 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shizuoka?
In Shizuoka, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 15 August 2020, and the lowest was -11.0 °C on 26 February 1981.
Compare Shizuoka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shizuoka