Kashihara climate — normals and trends
Kashihara (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 1,450 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 (27.9 °C on average) and the coldest is January (4.5 °C). Rainfall peaks in June.
Kashihara averages 34 frost days, 53 hot days (≥ 30 °C) and 134 rainy days per year.
Kashihara has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 59 to 9 per year over the period.
The hottest day of the period reached 39.3 °C (on 1 August 2001) and the coldest -8.9 °C (on 27 February 1945).
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
KashiharaOsaka
- coords
- 34.58°, 135.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
19.9°C
Average daily low
11.5°C
Annual rainfall
1,450mm
Sunshine / day
8.9h
Mean relative humidity
71%
Average peak wind
13.4km/h
Seasonal range
23.4°C
Frost days (< 0 °C)
34 d/yr
Hot days (≥ 30 °C)
53 d/yr
Rainy days (≥ 1 mm)
134 d/yr
Annual snowfall
8.2 cm
Average feels-like high
19.8 °C
Average feels-like low
11.0 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
87 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.71 · 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
39.3 °C
1 August 2001
Coldest day
-8.9 °C
27 February 1945
Wettest day
155 mm
22 October 2017
Windiest day
65.4 km/h
26 September 1959
Strongest gust
179.3 km/h
26 September 1959
Hottest feels-like
44.7 °C
8 August 1994
Coldest feels-like
-12.8 °C
27 February 1945
Snowiest day
24.9 cm
15 February 1968
Sunniest day
14.0 h
3 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 | 9.4 °C | +0.9 °C | 35 mm | -24 mm |
| Feb | 8.3 °C | -0.9 °C | 37 mm | -31 mm |
| Mar | 14.6 °C | +1.5 °C | 78 mm | -25 mm |
| Apr | 20.7 °C | +1.9 °C | 58 mm | -63 mm |
| May | 23.7 °C | +0.4 °C | 238 mm | +94 mm |
| Jun | 28.4 °C | +2.0 °C | 192 mm | -23 mm |
| Jul | 34.8 °C | +4.6 °C | 52 mm | -131 mm |
| Aug | 34.3 °C | +2.2 °C | 196 mm | +81 mm |
| Sep | 31.3 °C | +3.3 °C | 127 mm | -41 mm |
| Oct | 23.7 °C | +1.7 °C | 212 mm | +78 mm |
| Nov | 16.9 °C | +0.4 °C | 35 mm | -48 mm |
| Dec | 12.9 °C | +1.8 °C | 48 mm | -10 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 Kashihara?
Kashihara has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 1,450 mm of precipitation per year.
What is the hottest day ever recorded in Kashihara?
The hottest day measured in Kashihara between 1940 and 2025 was 1 August 2001, reaching 39.3 °C.
What is the coldest day in Kashihara?
The coldest day measured in Kashihara between 1940 and 2025 was 27 February 1945, at -8.9 °C.
Does it snow in Kashihara?
Yes. Kashihara gets on average 8.2 cm of snow per year and has around 34 frost days.
Has the climate of Kashihara warmed?
Yes: Kashihara warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kashihara?
The wettest day measured in Kashihara between 1940 and 2025 was 22 October 2017, with 155 mm of rain in 24 hours.
What was the windiest day in Kashihara?
The windiest day measured in Kashihara between 1940 and 2025 was 26 September 1959, with winds reaching 65.4 km/h.
What is the warmest month in Kashihara?
The warmest month in Kashihara is August (27.9 °C on average); the coldest is January (4.5 °C).
How much does it rain in Kashihara?
Kashihara receives on average 1,450 mm of precipitation per year, spread over about 134 rainy days.
Is it sunny in Kashihara?
Kashihara gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kashihara?
The heaviest 24-hour snowfall measured in Kashihara between 1940 and 2025 was 15 February 1968, with 24.9 cm.
Are there tropical nights in Kashihara?
Yes: Kashihara has on average 87 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kashihara?
In Kashihara, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 8 August 1994, and the lowest was -12.8 °C on 27 February 1945.
Compare Kashihara with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kashihara