Shimoda climate — normals and trends
Shimoda (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 2,219 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 (7.9 °C). Rainfall peaks in June.
Shimoda averages 0 frost days, 0 hot days (≥ 30 °C) and 159 rainy days per year.
Shimoda has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.6 °C (on 29 July 2024) and the coldest -1.0 °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
ShimodaShizuoka
- coords
- 34.68°, 138.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
17.6°C
Average daily low
15.0°C
Annual rainfall
2,219mm
Sunshine / day
8.6h
Mean relative humidity
76%
Average peak wind
31.1km/h
Seasonal range
17.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
3.8 cm
Average feels-like high
16.8 °C
Average feels-like low
12.3 °C
Average peak gust
47.9 km/h
Tropical nights (≥ 20 °C)
103 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
30.6 °C
29 July 2024
Coldest day
-1.0 °C
26 February 1981
Wettest day
238 mm
26 September 1958
Windiest day
91.0 km/h
1 October 2018
Strongest gust
169.6 km/h
1 October 2018
Hottest feels-like
39.7 °C
17 August 2024
Coldest feels-like
-10.7 °C
26 February 1981
Snowiest day
22.8 cm
15 February 1968
Sunniest day
13.9 h
9 July 2025
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 | 10.6 °C | +1.1 °C | 57 mm | -36 mm |
| Feb | 9.7 °C | +0.1 °C | 36 mm | -80 mm |
| Mar | 13.6 °C | +1.6 °C | 205 mm | +21 mm |
| Apr | 16.4 °C | +0.8 °C | 174 mm | -18 mm |
| May | 19.2 °C | +0.4 °C | 338 mm | +118 mm |
| Jun | 24.0 °C | +2.4 °C | 166 mm | -116 mm |
| Jul | 27.2 °C | +2.4 °C | 105 mm | -114 mm |
| Aug | 27.8 °C | +1.4 °C | 75 mm | -103 mm |
| Sep | 26.1 °C | +1.7 °C | 150 mm | -87 mm |
| Oct | 21.2 °C | +0.8 °C | 216 mm | -24 mm |
| Nov | 16.7 °C | +0.3 °C | 71 mm | -92 mm |
| Dec | 13.6 °C | +1.5 °C | 136 mm | +42 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 Shimoda?
Shimoda has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 2,219 mm of precipitation per year.
What is the hottest day ever recorded in Shimoda?
The hottest day measured in Shimoda between 1940 and 2025 was 29 July 2024, reaching 30.6 °C.
What is the coldest day in Shimoda?
The coldest day measured in Shimoda between 1940 and 2025 was 26 February 1981, at -1.0 °C.
Does it snow in Shimoda?
Yes. Shimoda gets on average 3.8 cm of snow per year and has around 0 frost days.
Has the climate of Shimoda warmed?
Yes: Shimoda warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shimoda?
The wettest day measured in Shimoda between 1940 and 2025 was 26 September 1958, with 238 mm of rain in 24 hours.
What was the windiest day in Shimoda?
The windiest day measured in Shimoda between 1940 and 2025 was 1 October 2018, with winds reaching 91.0 km/h.
What is the warmest month in Shimoda?
The warmest month in Shimoda is August (25.3 °C on average); the coldest is January (7.9 °C).
How much does it rain in Shimoda?
Shimoda receives on average 2,219 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Shimoda?
Shimoda gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shimoda?
The heaviest 24-hour snowfall measured in Shimoda between 1940 and 2025 was 15 February 1968, with 22.8 cm.
Are there tropical nights in Shimoda?
Yes: Shimoda has on average 103 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shimoda?
In Shimoda, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 17 August 2024, and the lowest was -10.7 °C on 26 February 1981.
Compare Shimoda with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shimoda