Uwajima climate — normals and trends
Uwajima (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 1,543 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 (27.1 °C on average) and the coldest is January (6.0 °C). Rainfall peaks in June.
Uwajima averages 10 frost days, 41 hot days (≥ 30 °C) and 135 rainy days per year.
Uwajima has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 19 to 1 per year over the period.
The hottest day of the period reached 38.0 °C (on 12 August 2013) and the coldest -5.6 °C (on 18 February 1977).
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
UwajimaEhime
- coords
- 33.22°, 132.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
20.1°C
Average daily low
12.7°C
Annual rainfall
1,543mm
Sunshine / day
8.6h
Mean relative humidity
73%
Average peak wind
17.4km/h
Seasonal range
21.1°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
41 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
6.9 cm
Average feels-like high
20.0 °C
Average feels-like low
11.8 °C
Average peak gust
41.3 km/h
Tropical nights (≥ 20 °C)
91 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.76 · 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
12 August 2013
Coldest day
-5.6 °C
18 February 1977
Wettest day
240 mm
11 September 1963
Windiest day
72.0 km/h
30 August 2004
Strongest gust
182.9 km/h
30 August 2004
Hottest feels-like
42.0 °C
5 August 2024
Coldest feels-like
-13.3 °C
26 February 1981
Snowiest day
10.6 cm
19 January 1984
Sunniest day
13.9 h
20 June 2025
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 | 10.1 °C | +0.7 °C | 35 mm | -23 mm |
| Feb | 8.8 °C | -1.6 °C | 61 mm | -15 mm |
| Mar | 15.7 °C | +1.8 °C | 87 mm | -17 mm |
| Apr | 19.5 °C | +0.6 °C | 102 mm | -30 mm |
| May | 22.7 °C | -0.1 °C | 231 mm | +76 mm |
| Jun | 27.2 °C | +1.7 °C | 228 mm | -17 mm |
| Jul | 32.1 °C | +2.7 °C | 92 mm | -94 mm |
| Aug | 32.2 °C | +1.4 °C | 125 mm | -19 mm |
| Sep | 30.0 °C | +2.3 °C | 223 mm | +42 mm |
| Oct | 25.1 °C | +2.4 °C | 257 mm | +133 mm |
| Nov | 18.2 °C | +0.7 °C | 37 mm | -43 mm |
| Dec | 13.9 °C | +1.9 °C | 39 mm | -20 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 Uwajima?
Uwajima has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 1,543 mm of precipitation per year.
What is the hottest day ever recorded in Uwajima?
The hottest day measured in Uwajima between 1940 and 2025 was 12 August 2013, reaching 38.0 °C.
What is the coldest day in Uwajima?
The coldest day measured in Uwajima between 1940 and 2025 was 18 February 1977, at -5.6 °C.
Does it snow in Uwajima?
Yes. Uwajima gets on average 6.9 cm of snow per year and has around 10 frost days.
Has the climate of Uwajima warmed?
Yes: Uwajima warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Uwajima?
The wettest day measured in Uwajima between 1940 and 2025 was 11 September 1963, with 240 mm of rain in 24 hours.
What was the windiest day in Uwajima?
The windiest day measured in Uwajima between 1940 and 2025 was 30 August 2004, with winds reaching 72.0 km/h.
What is the warmest month in Uwajima?
The warmest month in Uwajima is August (27.1 °C on average); the coldest is January (6.0 °C).
How much does it rain in Uwajima?
Uwajima receives on average 1,543 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Uwajima?
Uwajima gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Uwajima?
The heaviest 24-hour snowfall measured in Uwajima between 1940 and 2025 was 19 January 1984, with 10.6 cm.
Are there tropical nights in Uwajima?
Yes: Uwajima has on average 91 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Uwajima?
In Uwajima, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 5 August 2024, and the lowest was -13.3 °C on 26 February 1981.
Compare Uwajima with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Uwajima