Omaezaki climate — normals and trends
Omaezaki (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.3 °C and it receives 2,190 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 (26.2 °C on average) and the coldest is January (8.7 °C). Rainfall peaks in June.
Omaezaki averages 0 frost days, 0 hot days (≥ 30 °C) and 155 rainy days per year.
Omaezaki has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.0 °C (on 16 August 2024) and the coldest -0.5 °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
OmaezakiShizuoka
- coords
- 34.60°, 138.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.3°C
Average daily high
18.5°C
Average daily low
16.1°C
Annual rainfall
2,190mm
Sunshine / day
8.8h
Mean relative humidity
75%
Average peak wind
34.4km/h
Seasonal range
17.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
0.4 cm
Average feels-like high
17.5 °C
Average feels-like low
13.1 °C
Average peak gust
49.1 km/h
Tropical nights (≥ 20 °C)
126 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.37 · 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
32.0 °C
16 August 2024
Coldest day
-0.5 °C
26 February 1981
Wettest day
187 mm
12 October 2019
Windiest day
98.1 km/h
1 October 2018
Strongest gust
167.0 km/h
1 October 2018
Hottest feels-like
39.5 °C
17 August 2024
Coldest feels-like
-10.7 °C
26 February 1981
Snowiest day
8.5 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 | 11.4 °C | +1.0 °C | 64 mm | -25 mm |
| Feb | 10.2 °C | -0.5 °C | 47 mm | -64 mm |
| Mar | 14.5 °C | +1.4 °C | 178 mm | +5 mm |
| Apr | 17.4 °C | +0.9 °C | 181 mm | -2 mm |
| May | 20.1 °C | +0.6 °C | 362 mm | +143 mm |
| Jun | 24.4 °C | +2.2 °C | 161 mm | -124 mm |
| Jul | 27.6 °C | +2.3 °C | 109 mm | -113 mm |
| Aug | 28.1 °C | +1.2 °C | 43 mm | -131 mm |
| Sep | 27.0 °C | +1.7 °C | 188 mm | -50 mm |
| Oct | 22.6 °C | +1.0 °C | 243 mm | +3 mm |
| Nov | 17.9 °C | +0.3 °C | 55 mm | -107 mm |
| Dec | 14.3 °C | +1.3 °C | 143 mm | +49 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 Omaezaki?
Omaezaki has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.3 °C and it receives 2,190 mm of precipitation per year.
What is the hottest day ever recorded in Omaezaki?
The hottest day measured in Omaezaki between 1940 and 2025 was 16 August 2024, reaching 32.0 °C.
What is the coldest day in Omaezaki?
The coldest day measured in Omaezaki between 1940 and 2025 was 26 February 1981, at -0.5 °C.
Does it snow in Omaezaki?
Almost never: Omaezaki sees virtually no snow, with about 0 frost days per year.
Has the climate of Omaezaki warmed?
Yes: Omaezaki warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Omaezaki?
The wettest day measured in Omaezaki between 1940 and 2025 was 12 October 2019, with 187 mm of rain in 24 hours.
What was the windiest day in Omaezaki?
The windiest day measured in Omaezaki between 1940 and 2025 was 1 October 2018, with winds reaching 98.1 km/h.
What is the warmest month in Omaezaki?
The warmest month in Omaezaki is August (26.2 °C on average); the coldest is January (8.7 °C).
How much does it rain in Omaezaki?
Omaezaki receives on average 2,190 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Omaezaki?
Omaezaki 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 Omaezaki?
The heaviest 24-hour snowfall measured in Omaezaki between 1940 and 2025 was 15 February 1968, with 8.5 cm.
Are there tropical nights in Omaezaki?
Yes: Omaezaki has on average 126 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Omaezaki?
In Omaezaki, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 17 August 2024, and the lowest was -10.7 °C on 26 February 1981.
Compare Omaezaki with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Omaezaki