Nishinoomote climate — normals and trends
Nishinoomote (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.1 °C and it receives 2,049 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 (27.5 °C on average) and the coldest is January (12.3 °C). Rainfall peaks in June.
Nishinoomote averages 0 frost days, 0 hot days (≥ 30 °C) and 160 rainy days per year.
Nishinoomote has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.0 °C (on 9 August 2024) and the coldest 2.8 °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
NishinoomoteKagoshima
- coords
- 30.73°, 131.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.1°C
Average daily high
21.2°C
Average daily low
19.1°C
Annual rainfall
2,049mm
Sunshine / day
8.5h
Mean relative humidity
74%
Average peak wind
33.8km/h
Seasonal range
15.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
160 d/yr
Annual snowfall
0.0 cm
Average feels-like high
20.8 °C
Average feels-like low
16.9 °C
Average peak gust
47.3 km/h
Tropical nights (≥ 20 °C)
180 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.42 · 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
31.0 °C
9 August 2024
Coldest day
2.8 °C
27 February 1981
Wettest day
236 mm
28 August 2024
Windiest day
115.7 km/h
30 September 2018
Strongest gust
165.6 km/h
30 August 2004
Hottest feels-like
40.3 °C
18 August 2020
Coldest feels-like
-5.6 °C
26 February 1981
Snowiest day
0.4 cm
27 February 1981
Sunniest day
13.7 h
12 June 1959
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 | 14.0 °C | +0.1 °C | 97 mm | +3 mm |
| Feb | 12.8 °C | -1.5 °C | 64 mm | -45 mm |
| Mar | 17.0 °C | +0.4 °C | 171 mm | +6 mm |
| Apr | 19.6 °C | +0.1 °C | 135 mm | -57 mm |
| May | 22.5 °C | +0.3 °C | 297 mm | +62 mm |
| Jun | 26.6 °C | +2.0 °C | 154 mm | -218 mm |
| Jul | 28.5 °C | +1.1 °C | 222 mm | +68 mm |
| Aug | 29.2 °C | +1.1 °C | 116 mm | -50 mm |
| Sep | 28.9 °C | +2.0 °C | 146 mm | -48 mm |
| Oct | 26.4 °C | +2.6 °C | 232 mm | +76 mm |
| Nov | 21.0 °C | +0.7 °C | 89 mm | -34 mm |
| Dec | 18.0 °C | +1.8 °C | 84 mm | -9 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 Nishinoomote?
Nishinoomote has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.1 °C and it receives 2,049 mm of precipitation per year.
What is the hottest day ever recorded in Nishinoomote?
The hottest day measured in Nishinoomote between 1940 and 2025 was 9 August 2024, reaching 31.0 °C.
What is the coldest day in Nishinoomote?
The coldest day measured in Nishinoomote between 1940 and 2025 was 27 February 1981, at 2.8 °C.
Does it snow in Nishinoomote?
Almost never: Nishinoomote sees virtually no snow, with about 0 frost days per year.
Has the climate of Nishinoomote warmed?
Yes: Nishinoomote warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nishinoomote?
The wettest day measured in Nishinoomote between 1940 and 2025 was 28 August 2024, with 236 mm of rain in 24 hours.
What was the windiest day in Nishinoomote?
The windiest day measured in Nishinoomote between 1940 and 2025 was 30 September 2018, with winds reaching 115.7 km/h.
What is the warmest month in Nishinoomote?
The warmest month in Nishinoomote is August (27.5 °C on average); the coldest is January (12.3 °C).
How much does it rain in Nishinoomote?
Nishinoomote receives on average 2,049 mm of precipitation per year, spread over about 160 rainy days.
Is it sunny in Nishinoomote?
Nishinoomote gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nishinoomote?
The heaviest 24-hour snowfall measured in Nishinoomote between 1940 and 2025 was 27 February 1981, with 0.4 cm.
Are there tropical nights in Nishinoomote?
Yes: Nishinoomote has on average 180 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nishinoomote?
In Nishinoomote, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 18 August 2020, and the lowest was -5.6 °C on 26 February 1981.
Compare Nishinoomote with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nishinoomote