Sakata climate — normals and trends
Sakata (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,986 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 (24.8 °C on average) and the coldest is February (1.8 °C). Rainfall peaks in July.
Sakata averages 37 frost days, 4 hot days (≥ 30 °C) and 220 rainy days per year.
Sakata has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 57 to 17 per year over the period.
The hottest day of the period reached 34.5 °C (on 23 August 2023) and the coldest -7.2 °C (on 12 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
SakataYamagata
- coords
- 38.92°, 139.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
14.5°C
Average daily low
10.3°C
Annual rainfall
1,986mm
Sunshine / day
8.2h
Mean relative humidity
77%
Average peak wind
22.9km/h
Seasonal range
23.0°C
Frost days (< 0 °C)
37 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
220 d/yr
Annual snowfall
195.3 cm
Average feels-like high
13.2 °C
Average feels-like low
7.7 °C
Average peak gust
40.9 km/h
Tropical nights (≥ 20 °C)
62 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.60 · 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
34.5 °C
23 August 2023
Coldest day
-7.2 °C
12 February 1942
Wettest day
149 mm
8 July 1957
Windiest day
78.3 km/h
28 September 1991
Strongest gust
151.6 km/h
28 September 1991
Hottest feels-like
41.6 °C
6 August 2021
Coldest feels-like
-15.3 °C
26 January 1952
Snowiest day
16.7 cm
7 December 1973
Sunniest day
14.3 h
18 June 1987
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 | 5.1 °C | +1.7 °C | 196 mm | +11 mm |
| Feb | 4.3 °C | +0.9 °C | 163 mm | +25 mm |
| Mar | 8.2 °C | +1.9 °C | 126 mm | -3 mm |
| Apr | 12.6 °C | +0.7 °C | 168 mm | +54 mm |
| May | 17.6 °C | +0.8 °C | 175 mm | +63 mm |
| Jun | 23.3 °C | +2.3 °C | 141 mm | +7 mm |
| Jul | 29.1 °C | +4.3 °C | 31 mm | -203 mm |
| Aug | 28.9 °C | +1.9 °C | 309 mm | +124 mm |
| Sep | 26.0 °C | +2.6 °C | 283 mm | +100 mm |
| Oct | 18.7 °C | +0.9 °C | 185 mm | +24 mm |
| Nov | 12.9 °C | +0.9 °C | 214 mm | +27 mm |
| Dec | 8.3 °C | +1.8 °C | 259 mm | +36 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 Sakata?
Sakata has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,986 mm of precipitation per year.
What is the hottest day ever recorded in Sakata?
The hottest day measured in Sakata between 1940 and 2025 was 23 August 2023, reaching 34.5 °C.
What is the coldest day in Sakata?
The coldest day measured in Sakata between 1940 and 2025 was 12 February 1942, at -7.2 °C.
Does it snow in Sakata?
Yes. Sakata gets on average 195.3 cm of snow per year and has around 37 frost days.
Has the climate of Sakata warmed?
Yes: Sakata warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sakata?
The wettest day measured in Sakata between 1940 and 2025 was 8 July 1957, with 149 mm of rain in 24 hours.
What was the windiest day in Sakata?
The windiest day measured in Sakata between 1940 and 2025 was 28 September 1991, with winds reaching 78.3 km/h.
What is the warmest month in Sakata?
The warmest month in Sakata is August (24.8 °C on average); the coldest is February (1.8 °C).
How much does it rain in Sakata?
Sakata receives on average 1,986 mm of precipitation per year, spread over about 220 rainy days.
Is it sunny in Sakata?
Sakata gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sakata?
The heaviest 24-hour snowfall measured in Sakata between 1940 and 2025 was 7 December 1973, with 16.7 cm.
Are there tropical nights in Sakata?
Yes: Sakata has on average 62 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sakata?
In Sakata, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 6 August 2021, and the lowest was -15.3 °C on 26 January 1952.
Compare Sakata with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sakata