Ueda climate
Ueda is warmest in August, with average highs of 29 °C, and coldest in January, when nights average -4.5 °C. July is the wettest month (206 mm) and November the driest (84 mm). Figures are 1991–2020 climate normals.
Across a full year Ueda averages 1,513 mm of rain, 81 days above 25 °C and 95 days below freezing.
Japan · population 157,480 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 29 °C
- Coldest month January -4.5 °C
- Driest month November 84 mm
- Wettest month July 206 mm
- Least cloud November 58 % cloud
- Hottest on record August 35 °C
- Coldest on record January -19 °C
What to expectUeda through the year
Ueda has a clear annual cycle: average daily highs run from 3.4 °C in January to 29 °C in August, a swing of 25 °C in mean temperature across the year.
Counted across a normal year, 81 days a year reach 25 °C, 18 of them reach 30 °C, 95 nights drop below freezing. The warmest reading in the 1991–2020 record is 35 °C, in August.
Rain is strongly seasonal. July averages 206 mm against 84 mm in November — 2.5 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 3.4 °C | 86 mm | 62 % |
| February | 4.6 °C | 85 mm | 62 % |
| March | 8.8 °C | 115 mm | 62 % |
| April | 15.7 °C | 107 mm | 61 % |
| May | 21.0 °C | 123 mm | 66 % |
| June | 24.1 °C | 170 mm | 78 % |
| July | 27.4 °C | 206 mm | 76 % |
| August | 28.7 °C | 135 mm | 67 % |
| September | 24.3 °C | 168 mm | 71 % |
| October | 18.4 °C | 152 mm | 64 % |
| November | 12.7 °C | 84 mm | 58 % |
| December | 6.7 °C | 84 mm | 60 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 3.4 °C | -4.5 °C | -0.8 °C | 14.3 °C | -19.3 °C | 0 | 0 | 28 |
| February | 4.6 °C | -4.1 °C | -0.2 °C | 18.3 °C | -18.2 °C | 0 | 0 | 24 |
| March | 8.8 °C | -0.5 °C | 3.7 °C | 20.7 °C | -16.8 °C | 0 | 0 | 17 |
| April | 15.7 °C | 4.9 °C | 9.8 °C | 26.7 °C | -4.6 °C | 0 | 0 | 3 |
| May | 21.0 °C | 10.6 °C | 15.5 °C | 31.1 °C | 0.3 °C | 4 | 0 | 0 |
| June | 24.1 °C | 15.4 °C | 19.4 °C | 32.3 °C | 5.2 °C | 12 | 0 | 0 |
| July | 27.4 °C | 19.3 °C | 23.0 °C | 34.6 °C | 11.6 °C | 24 | 6 | 0 |
| August | 28.7 °C | 20.2 °C | 24.0 °C | 34.9 °C | 11.6 °C | 28 | 10 | 0 |
| September | 24.3 °C | 16.3 °C | 19.8 °C | 33.6 °C | 6.1 °C | 13 | 1 | 0 |
| October | 18.4 °C | 10.0 °C | 13.6 °C | 28.3 °C | 0.0 °C | 1 | 0 | 0 |
| November | 12.7 °C | 3.8 °C | 7.7 °C | 21.7 °C | -3.6 °C | 0 | 0 | 3 |
| December | 6.7 °C | -1.4 °C | 2.1 °C | 21.5 °C | -19.1 °C | 0 | 0 | 20 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 86 mm | 15 | 10.0 h/day | 62 % | 68 % | 11 km/h |
| February | 85 mm | 13 | 11 h/day | 62 % | 68 % | 11 km/h |
| March | 115 mm | 14 | 12 h/day | 62 % | 68 % | 12 km/h |
| April | 107 mm | 13 | 13 h/day | 61 % | 68 % | 12 km/h |
| May | 123 mm | 14 | 14 h/day | 66 % | 69 % | 11 km/h |
| June | 170 mm | 18 | 15 h/day | 78 % | 76 % | 9.0 km/h |
| July | 206 mm | 20 | 14 h/day | 76 % | 80 % | 8.0 km/h |
| August | 135 mm | 16 | 14 h/day | 67 % | 77 % | 8.2 km/h |
| September | 168 mm | 15 | 12 h/day | 71 % | 80 % | 9.3 km/h |
| October | 152 mm | 13 | 11 h/day | 64 % | 79 % | 9.5 km/h |
| November | 84 mm | 12 | 10 h/day | 58 % | 75 % | 9.6 km/h |
| December | 84 mm | 15 | 9.7 h/day | 60 % | 70 % | 10 km/h |
How Ueda compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Ueda | 29 °C | -4.5 °C | 1,513 mm | 81 |
| Nagano · Japan | 28 °C | -4.4 °C | 1,778 mm | 77 |
| Matsumoto · Japan | 28 °C | -5.9 °C | 1,831 mm | 80 |
| Takasaki · Japan | 28 °C | -2.4 °C | 1,936 mm | 78 |
| Maebashi · Japan | 29 °C | -2.0 °C | 1,577 mm | 83 |
| Isesaki · Japan | 29 °C | -1.9 °C | 1,476 mm | 83 |
| Jōetsu · Japan | 29 °C | -0.6 °C | 2,259 mm | 86 |
Planning a trip? See the best time to visit Ueda.
QuestionsCommon questions about Ueda’s climate
When is the best time to visit Ueda?
That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, September sit closest to 20 °C on average, August is the warmest month and November the driest. The month-by-month table above has the full picture.
How hot does Ueda get?
In August, the warmest month, daily highs average 29 °C. About 18 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.
How cold does it get in winter?
Nights average -4.5 °C in January, the coldest month. A normal year has 95 nights below freezing.
Which month is wettest in Ueda?
July, averaging 206 mm over 20 days with rain. The driest month is November with 84 mm. The year as a whole averages 1,513 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Ueda rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.