Yono climate — normals and trends
Yono (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 1,664 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 (26.0 °C on average) and the coldest is January (2.8 °C). Rainfall peaks in July.
Yono averages 59 frost days, 34 hot days (≥ 30 °C) and 143 rainy days per year.
Yono has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 85 to 33 per year over the period.
The hottest day of the period reached 38.0 °C (on 8 August 1994) and the coldest -11.6 °C (on 21 February 1968).
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
YonoOsaka
- coords
- 34.92°, 135.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.0°C
Average daily high
18.3°C
Average daily low
10.2°C
Annual rainfall
1,664mm
Sunshine / day
8.7h
Mean relative humidity
75%
Average peak wind
14.7km/h
Seasonal range
23.2°C
Frost days (< 0 °C)
59 d/yr
Hot days (≥ 30 °C)
34 d/yr
Rainy days (≥ 1 mm)
143 d/yr
Annual snowfall
17.0 cm
Average feels-like high
17.8 °C
Average feels-like low
9.2 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
70 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.70 · 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
38.0 °C
8 August 1994
Coldest day
-11.6 °C
21 February 1968
Wettest day
164 mm
20 October 2004
Windiest day
53.8 km/h
23 October 2017
Strongest gust
164.5 km/h
26 September 1959
Hottest feels-like
43.6 °C
8 August 1994
Coldest feels-like
-16.3 °C
21 February 1968
Snowiest day
28.7 cm
15 February 1968
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 | 7.9 °C | +1.2 °C | 24 mm | -28 mm |
| Feb | 6.7 °C | -0.8 °C | 38 mm | -31 mm |
| Mar | 12.6 °C | +1.2 °C | 128 mm | +18 mm |
| Apr | 18.7 °C | +1.4 °C | 79 mm | -59 mm |
| May | 22.1 °C | +0.3 °C | 183 mm | +26 mm |
| Jun | 27.5 °C | +2.5 °C | 206 mm | -25 mm |
| Jul | 32.6 °C | +3.8 °C | 86 mm | -173 mm |
| Aug | 32.2 °C | +2.0 °C | 190 mm | +25 mm |
| Sep | 29.2 °C | +3.0 °C | 204 mm | -5 mm |
| Oct | 22.0 °C | +1.5 °C | 224 mm | +84 mm |
| Nov | 15.5 °C | +0.5 °C | 35 mm | -46 mm |
| Dec | 11.0 °C | +1.6 °C | 54 mm | -1 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 Yono?
Yono has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 1,664 mm of precipitation per year.
What is the hottest day ever recorded in Yono?
The hottest day measured in Yono between 1940 and 2025 was 8 August 1994, reaching 38.0 °C.
What is the coldest day in Yono?
The coldest day measured in Yono between 1940 and 2025 was 21 February 1968, at -11.6 °C.
Does it snow in Yono?
Yes. Yono gets on average 17.0 cm of snow per year and has around 59 frost days.
Has the climate of Yono warmed?
Yes: Yono warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yono?
The wettest day measured in Yono between 1940 and 2025 was 20 October 2004, with 164 mm of rain in 24 hours.
What was the windiest day in Yono?
The windiest day measured in Yono between 1940 and 2025 was 23 October 2017, with winds reaching 53.8 km/h.
What is the warmest month in Yono?
The warmest month in Yono is August (26.0 °C on average); the coldest is January (2.8 °C).
How much does it rain in Yono?
Yono receives on average 1,664 mm of precipitation per year, spread over about 143 rainy days.
Is it sunny in Yono?
Yono 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 Yono?
The heaviest 24-hour snowfall measured in Yono between 1940 and 2025 was 15 February 1968, with 28.7 cm.
Are there tropical nights in Yono?
Yes: Yono has on average 70 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yono?
In Yono, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 8 August 1994, and the lowest was -16.3 °C on 21 February 1968.
Compare Yono with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yono