Shizunai-furukawachō climate — normals and trends
Shizunai-furukawachō (Japan) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.1 °C and it receives 1,298 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 (20.4 °C on average) and the coldest is January (-1.9 °C). Rainfall peaks in August.
Shizunai-furukawachō averages 98 frost days, 0 hot days (≥ 30 °C) and 153 rainy days per year.
Shizunai-furukawachō has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 115 to 81 per year over the period.
The hottest day of the period reached 28.2 °C (on 28 August 2023) and the coldest -10.9 °C (on 29 January 1979).
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
Shizunai-furukawachōHokkaido
- coords
- 42.33°, 142.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.1°C
Average daily high
9.4°C
Average daily low
6.9°C
Annual rainfall
1,298mm
Sunshine / day
8.7h
Mean relative humidity
79%
Average peak wind
28.0km/h
Seasonal range
22.3°C
Frost days (< 0 °C)
98 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
119.8 cm
Average feels-like high
6.6 °C
Average feels-like low
2.7 °C
Average peak gust
39.5 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
28.2 °C
28 August 2023
Coldest day
-10.9 °C
29 January 1979
Wettest day
229 mm
5 August 1981
Windiest day
81.0 km/h
23 August 1981
Strongest gust
135.7 km/h
23 August 1981
Hottest feels-like
34.3 °C
25 August 2023
Coldest feels-like
-20.9 °C
14 January 1967
Snowiest day
24.2 cm
17 January 1975
Sunniest day
15.0 h
9 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 2.4 °C | +2.7 °C | 53 mm | -10 mm |
| Feb | 2.6 °C | +3.0 °C | 50 mm | -3 mm |
| Mar | 4.3 °C | +2.5 °C | 78 mm | +9 mm |
| Apr | 7.2 °C | +2.4 °C | 136 mm | +40 mm |
| May | 11.6 °C | +2.5 °C | 112 mm | -5 mm |
| Jun | 16.6 °C | +3.0 °C | 118 mm | +11 mm |
| Jul | 22.0 °C | +4.0 °C | 96 mm | -55 mm |
| Aug | 24.3 °C | +3.1 °C | 210 mm | +43 mm |
| Sep | 22.1 °C | +2.5 °C | 257 mm | +97 mm |
| Oct | 15.4 °C | +1.0 °C | 84 mm | -43 mm |
| Nov | 10.8 °C | +2.9 °C | 163 mm | +59 mm |
| Dec | 5.6 °C | +3.1 °C | 178 mm | +95 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 Shizunai-furukawachō?
Shizunai-furukawachō has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.1 °C and it receives 1,298 mm of precipitation per year.
What is the hottest day ever recorded in Shizunai-furukawachō?
The hottest day measured in Shizunai-furukawachō between 1940 and 2025 was 28 August 2023, reaching 28.2 °C.
What is the coldest day in Shizunai-furukawachō?
The coldest day measured in Shizunai-furukawachō between 1940 and 2025 was 29 January 1979, at -10.9 °C.
Does it snow in Shizunai-furukawachō?
Yes. Shizunai-furukawachō gets on average 119.8 cm of snow per year and has around 98 frost days.
Has the climate of Shizunai-furukawachō warmed?
Yes: Shizunai-furukawachō warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shizunai-furukawachō?
The wettest day measured in Shizunai-furukawachō between 1940 and 2025 was 5 August 1981, with 229 mm of rain in 24 hours.
What was the windiest day in Shizunai-furukawachō?
The windiest day measured in Shizunai-furukawachō between 1940 and 2025 was 23 August 1981, with winds reaching 81.0 km/h.
What is the warmest month in Shizunai-furukawachō?
The warmest month in Shizunai-furukawachō is August (20.4 °C on average); the coldest is January (-1.9 °C).
How much does it rain in Shizunai-furukawachō?
Shizunai-furukawachō receives on average 1,298 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Shizunai-furukawachō?
Shizunai-furukawachō gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shizunai-furukawachō?
The heaviest 24-hour snowfall measured in Shizunai-furukawachō between 1940 and 2025 was 17 January 1975, with 24.2 cm.
Are there tropical nights in Shizunai-furukawachō?
Yes: Shizunai-furukawachō has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shizunai-furukawachō?
In Shizunai-furukawachō, between 1940 and 2025, the highest apparent temperature reached 34.3 °C on 25 August 2023, and the lowest was -20.9 °C on 14 January 1967.
Compare Shizunai-furukawachō with another city
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Nearby cities
The climate around Shizunai-furukawachō