Ueda climate — normals and trends
Ueda (Japan) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 1,555 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 (22.5 °C on average) and the coldest is January (-2.9 °C). Rainfall peaks in July.
Ueda averages 128 frost days, 10 hot days (≥ 30 °C) and 194 rainy days per year.
Ueda has warmed by +3.4 °C between 1940 and 2025, or +0.40 °C per decade. This trend is statistically significant.
The number of frost days there went from about 148 to 108 per year over the period.
The hottest day of the period reached 35.7 °C (on 5 August 2018) and the coldest -20.9 °C (on 14 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
UedaNagano
- coords
- 36.40°, 138.28°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
14.6°C
Average daily low
5.3°C
Annual rainfall
1,555mm
Sunshine / day
8.9h
Mean relative humidity
73%
Average peak wind
9.1km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
128 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
194 d/yr
Annual snowfall
185.3 cm
Average feels-like high
13.4 °C
Average feels-like low
3.7 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.4 °C
since 1940
+0.4 °C per decade · r² = 0.74 · 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
35.7 °C
5 August 2018
Coldest day
-20.9 °C
14 February 1942
Wettest day
176 mm
12 October 2019
Windiest day
37.2 km/h
27 September 1959
Strongest gust
152.6 km/h
27 September 1959
Hottest feels-like
38.5 °C
15 July 2018
Coldest feels-like
-25.4 °C
14 February 1942
Snowiest day
49.8 cm
15 February 2014
Sunniest day
14.0 h
11 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 | 3.5 °C | +1.8 °C | 65 mm | -18 mm |
| Feb | 2.8 °C | +0.2 °C | 69 mm | -14 mm |
| Mar | 9.0 °C | +2.1 °C | 125 mm | +19 mm |
| Apr | 16.4 °C | +2.6 °C | 88 mm | -19 mm |
| May | 20.5 °C | +1.2 °C | 144 mm | +19 mm |
| Jun | 25.2 °C | +2.9 °C | 174 mm | -16 mm |
| Jul | 31.0 °C | +5.1 °C | 88 mm | -137 mm |
| Aug | 30.3 °C | +3.1 °C | 160 mm | +7 mm |
| Sep | 26.1 °C | +3.3 °C | 148 mm | -30 mm |
| Oct | 17.8 °C | +1.1 °C | 164 mm | +30 mm |
| Nov | 11.8 °C | +0.8 °C | 59 mm | -28 mm |
| Dec | 6.7 °C | +1.8 °C | 104 mm | +19 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 Ueda?
Ueda has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 1,555 mm of precipitation per year.
What is the hottest day ever recorded in Ueda?
The hottest day measured in Ueda between 1940 and 2025 was 5 August 2018, reaching 35.7 °C.
What is the coldest day in Ueda?
The coldest day measured in Ueda between 1940 and 2025 was 14 February 1942, at -20.9 °C.
Does it snow in Ueda?
Yes. Ueda gets on average 185.3 cm of snow per year and has around 128 frost days.
Has the climate of Ueda warmed?
Yes: Ueda warmed by +3.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ueda?
The wettest day measured in Ueda between 1940 and 2025 was 12 October 2019, with 176 mm of rain in 24 hours.
What was the windiest day in Ueda?
The windiest day measured in Ueda between 1940 and 2025 was 27 September 1959, with winds reaching 37.2 km/h.
What is the warmest month in Ueda?
The warmest month in Ueda is August (22.5 °C on average); the coldest is January (-2.9 °C).
How much does it rain in Ueda?
Ueda receives on average 1,555 mm of precipitation per year, spread over about 194 rainy days.
Is it sunny in Ueda?
Ueda 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 Ueda?
The heaviest 24-hour snowfall measured in Ueda between 1940 and 2025 was 15 February 2014, with 49.8 cm.
Are there tropical nights in Ueda?
Yes: Ueda has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ueda?
In Ueda, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 15 July 2018, and the lowest was -25.4 °C on 14 February 1942.
Compare Ueda with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ueda