Minamiarupusu climate — normals and trends
Minamiarupusu (Japan) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 2,102 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 (21.4 °C on average) and the coldest is January (-3.4 °C). Rainfall peaks in September.
Minamiarupusu averages 121 frost days, 2 hot days (≥ 30 °C) and 179 rainy days per year.
Minamiarupusu has warmed by +3.2 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 139 to 103 per year over the period.
The hottest day of the period reached 33.3 °C (on 15 August 2020) and the coldest -26.3 °C (on 14 February 1942).
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
MinamiarupusuYamanashi
- coords
- 35.61°, 138.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
14.3°C
Average daily low
5.2°C
Annual rainfall
2,102mm
Sunshine / day
8.4h
Mean relative humidity
76%
Average peak wind
8.4km/h
Seasonal range
24.8°C
Frost days (< 0 °C)
121 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
179 d/yr
Annual snowfall
117.1 cm
Average feels-like high
13.4 °C
Average feels-like low
3.6 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.2 °C
since 1940
+0.4 °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
33.3 °C
15 August 2020
Coldest day
-26.3 °C
14 February 1942
Wettest day
258 mm
12 October 2019
Windiest day
35.0 km/h
26 September 1959
Strongest gust
189.0 km/h
26 September 1959
Hottest feels-like
37.7 °C
16 August 2007
Coldest feels-like
-31.4 °C
14 February 1942
Snowiest day
48.7 cm
23 March 1986
Sunniest day
14.0 h
13 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 | 4.9 °C | +2.4 °C | 36 mm | -32 mm |
| Feb | 4.2 °C | +0.8 °C | 29 mm | -62 mm |
| Mar | 10.2 °C | +2.9 °C | 199 mm | +49 mm |
| Apr | 15.9 °C | +2.4 °C | 145 mm | -23 mm |
| May | 19.1 °C | +1.1 °C | 211 mm | +25 mm |
| Jun | 24.6 °C | +3.8 °C | 198 mm | -68 mm |
| Jul | 27.9 °C | +3.2 °C | 227 mm | -39 mm |
| Aug | 28.6 °C | +3.1 °C | 122 mm | -107 mm |
| Sep | 25.3 °C | +3.4 °C | 258 mm | -17 mm |
| Oct | 17.6 °C | +1.1 °C | 172 mm | -42 mm |
| Nov | 12.1 °C | +0.7 °C | 43 mm | -77 mm |
| Dec | 7.7 °C | +2.0 °C | 78 mm | +8 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 Minamiarupusu?
Minamiarupusu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 2,102 mm of precipitation per year.
What is the hottest day ever recorded in Minamiarupusu?
The hottest day measured in Minamiarupusu between 1940 and 2025 was 15 August 2020, reaching 33.3 °C.
What is the coldest day in Minamiarupusu?
The coldest day measured in Minamiarupusu between 1940 and 2025 was 14 February 1942, at -26.3 °C.
Does it snow in Minamiarupusu?
Yes. Minamiarupusu gets on average 117.1 cm of snow per year and has around 121 frost days.
Has the climate of Minamiarupusu warmed?
Yes: Minamiarupusu warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Minamiarupusu?
The wettest day measured in Minamiarupusu between 1940 and 2025 was 12 October 2019, with 258 mm of rain in 24 hours.
What was the windiest day in Minamiarupusu?
The windiest day measured in Minamiarupusu between 1940 and 2025 was 26 September 1959, with winds reaching 35.0 km/h.
What is the warmest month in Minamiarupusu?
The warmest month in Minamiarupusu is August (21.4 °C on average); the coldest is January (-3.4 °C).
How much does it rain in Minamiarupusu?
Minamiarupusu receives on average 2,102 mm of precipitation per year, spread over about 179 rainy days.
Is it sunny in Minamiarupusu?
Minamiarupusu gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Minamiarupusu?
The heaviest 24-hour snowfall measured in Minamiarupusu between 1940 and 2025 was 23 March 1986, with 48.7 cm.
Are there tropical nights in Minamiarupusu?
Yes: Minamiarupusu has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Minamiarupusu?
In Minamiarupusu, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 16 August 2007, and the lowest was -31.4 °C on 14 February 1942.
Compare Minamiarupusu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Minamiarupusu