Tōbetsu climate — normals and trends
Tōbetsu (Japan) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.5 °C and it receives 1,095 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 (21.3 °C on average) and the coldest is January (-5.9 °C). Rainfall peaks in August.
Tōbetsu averages 140 frost days, 1 hot days (≥ 30 °C) and 169 rainy days per year.
Tōbetsu has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 156 to 124 per year over the period.
The hottest day of the period reached 32.7 °C (on 7 August 1994) and the coldest -21.2 °C (on 17 February 1978).
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
TōbetsuHokkaido
- coords
- 43.22°, 141.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.5°C
Average daily high
10.8°C
Average daily low
4.2°C
Annual rainfall
1,095mm
Sunshine / day
8.5h
Mean relative humidity
78%
Average peak wind
17.1km/h
Seasonal range
27.2°C
Frost days (< 0 °C)
140 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
169 d/yr
Annual snowfall
185.6 cm
Average feels-like high
8.9 °C
Average feels-like low
1.5 °C
Average peak gust
37.3 km/h
Tropical nights (≥ 20 °C)
15 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.65 · 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
32.7 °C
7 August 1994
Coldest day
-21.2 °C
17 February 1978
Wettest day
167 mm
17 August 2016
Windiest day
54.5 km/h
26 November 1986
Strongest gust
130.0 km/h
26 September 1954
Hottest feels-like
39.9 °C
25 July 2025
Coldest feels-like
-25.6 °C
17 February 1978
Snowiest day
34.3 cm
5 February 1969
Sunniest day
15.0 h
19 June 1941
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 | -0.3 °C | +2.7 °C | 60 mm | +3 mm |
| Feb | 0.7 °C | +2.9 °C | 61 mm | +10 mm |
| Mar | 3.1 °C | +1.2 °C | 81 mm | +20 mm |
| Apr | 10.9 °C | +1.4 °C | 112 mm | +38 mm |
| May | 18.3 °C | +2.8 °C | 62 mm | -23 mm |
| Jun | 23.5 °C | +4.4 °C | 96 mm | +14 mm |
| Jul | 28.3 °C | +5.3 °C | 115 mm | +2 mm |
| Aug | 27.0 °C | +2.6 °C | 161 mm | -2 mm |
| Sep | 23.7 °C | +3.0 °C | 205 mm | +67 mm |
| Oct | 14.3 °C | -0.1 °C | 99 mm | -4 mm |
| Nov | 7.9 °C | +1.2 °C | 149 mm | +55 mm |
| Dec | 1.6 °C | +1.6 °C | 122 mm | +46 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 Tōbetsu?
Tōbetsu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.5 °C and it receives 1,095 mm of precipitation per year.
What is the hottest day ever recorded in Tōbetsu?
The hottest day measured in Tōbetsu between 1940 and 2025 was 7 August 1994, reaching 32.7 °C.
What is the coldest day in Tōbetsu?
The coldest day measured in Tōbetsu between 1940 and 2025 was 17 February 1978, at -21.2 °C.
Does it snow in Tōbetsu?
Yes. Tōbetsu gets on average 185.6 cm of snow per year and has around 140 frost days.
Has the climate of Tōbetsu warmed?
Yes: Tōbetsu warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tōbetsu?
The wettest day measured in Tōbetsu between 1940 and 2025 was 17 August 2016, with 167 mm of rain in 24 hours.
What was the windiest day in Tōbetsu?
The windiest day measured in Tōbetsu between 1940 and 2025 was 26 November 1986, with winds reaching 54.5 km/h.
What is the warmest month in Tōbetsu?
The warmest month in Tōbetsu is August (21.3 °C on average); the coldest is January (-5.9 °C).
How much does it rain in Tōbetsu?
Tōbetsu receives on average 1,095 mm of precipitation per year, spread over about 169 rainy days.
Is it sunny in Tōbetsu?
Tōbetsu 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 Tōbetsu?
The heaviest 24-hour snowfall measured in Tōbetsu between 1940 and 2025 was 5 February 1969, with 34.3 cm.
Are there tropical nights in Tōbetsu?
Yes: Tōbetsu has on average 15 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tōbetsu?
In Tōbetsu, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 25 July 2025, and the lowest was -25.6 °C on 17 February 1978.
Compare Tōbetsu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tōbetsu