Nakashibetsu climate — normals and trends
Nakashibetsu (Japan) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 1,045 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 (18.9 °C on average) and the coldest is January (-7.9 °C). Rainfall peaks in September.
Nakashibetsu averages 155 frost days, 1 hot days (≥ 30 °C) and 121 rainy days per year.
Nakashibetsu has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 164 to 146 per year over the period.
The hottest day of the period reached 35.4 °C (on 26 May 2019) and the coldest -27.5 °C (on 9 February 2019).
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
NakashibetsuHokkaido
- coords
- 43.55°, 144.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
9.9°C
Average daily low
1.9°C
Annual rainfall
1,045mm
Sunshine / day
8.3h
Mean relative humidity
79%
Average peak wind
17.7km/h
Seasonal range
26.8°C
Frost days (< 0 °C)
155 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
156.0 cm
Average feels-like high
7.6 °C
Average feels-like low
-1.1 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °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
35.4 °C
26 May 2019
Coldest day
-27.5 °C
9 February 2019
Wettest day
153 mm
11 September 1992
Windiest day
57.2 km/h
2 March 2013
Strongest gust
129.2 km/h
18 September 2017
Hottest feels-like
40.7 °C
22 July 2025
Coldest feels-like
-32.2 °C
9 February 2019
Snowiest day
57.4 cm
7 April 1976
Sunniest day
15.0 h
24 June 1943
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 | -0.1 °C | +3.3 °C | 48 mm | -6 mm |
| Feb | -0.2 °C | +2.7 °C | 39 mm | -6 mm |
| Mar | 3.0 °C | +1.6 °C | 74 mm | -2 mm |
| Apr | 9.7 °C | +0.8 °C | 142 mm | +57 mm |
| May | 16.1 °C | +1.9 °C | 86 mm | -5 mm |
| Jun | 22.1 °C | +5.3 °C | 59 mm | -16 mm |
| Jul | 26.9 °C | +6.3 °C | 65 mm | -26 mm |
| Aug | 25.2 °C | +2.9 °C | 127 mm | -1 mm |
| Sep | 23.1 °C | +3.7 °C | 145 mm | -2 mm |
| Oct | 14.0 °C | 0.0 °C | 60 mm | -49 mm |
| Nov | 7.7 °C | +0.6 °C | 110 mm | +29 mm |
| Dec | 1.9 °C | +1.4 °C | 140 mm | +76 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 Nakashibetsu?
Nakashibetsu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 1,045 mm of precipitation per year.
What is the hottest day ever recorded in Nakashibetsu?
The hottest day measured in Nakashibetsu between 1940 and 2025 was 26 May 2019, reaching 35.4 °C.
What is the coldest day in Nakashibetsu?
The coldest day measured in Nakashibetsu between 1940 and 2025 was 9 February 2019, at -27.5 °C.
Does it snow in Nakashibetsu?
Yes. Nakashibetsu gets on average 156.0 cm of snow per year and has around 155 frost days.
Has the climate of Nakashibetsu warmed?
Yes: Nakashibetsu warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nakashibetsu?
The wettest day measured in Nakashibetsu between 1940 and 2025 was 11 September 1992, with 153 mm of rain in 24 hours.
What was the windiest day in Nakashibetsu?
The windiest day measured in Nakashibetsu between 1940 and 2025 was 2 March 2013, with winds reaching 57.2 km/h.
What is the warmest month in Nakashibetsu?
The warmest month in Nakashibetsu is August (18.9 °C on average); the coldest is January (-7.9 °C).
How much does it rain in Nakashibetsu?
Nakashibetsu receives on average 1,045 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Nakashibetsu?
Nakashibetsu gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nakashibetsu?
The heaviest 24-hour snowfall measured in Nakashibetsu between 1940 and 2025 was 7 April 1976, with 57.4 cm.
Are there tropical nights in Nakashibetsu?
Yes: Nakashibetsu has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nakashibetsu?
In Nakashibetsu, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 22 July 2025, and the lowest was -32.2 °C on 9 February 2019.
Compare Nakashibetsu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nakashibetsu