Ueda, Japan experiences average highs of 17°C (63°F) and lows of 9°C (48°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Ueda, Japan Weather & Climate 2026
Monthly climate averages for Ueda, Japan. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.9/10
Best: May, June, September, October
UV Index
5
Low
Temperature 17°C / 9°C
Feels Like 17°C / 8°C
Rainy Days 16
Rainfall 135 mm
Sunshine 9 h
Humidity 72%
Wind Speed 10 km/h
Dew Point 8°C
Snow Days 15 days
Frost Days 12 days
Hottest Month
29°C
August
Avg Low 21°C
Rain 18 days
Coldest Month
-3°C
January
Avg High 4°C
Rain 16 days
Driest Month
13 days
February
Avg High 6°C
Avg Low -2°C
Windiest Month
12 km/h
April (Gusts 40)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:40
Daylight 14.4h
Sunset 19:05
Live conditions —
Ueda on the map · live conditions
Ueda, Japan
- Continent
- Asia
- Country
- Japan
- City
- Ueda
- Population
- 157.5K
- Coordinates
- 36.40°, 138.28°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 6°C
Rain 14 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 27°C
Avg Low 19°C
Rain 19 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 19°C
Avg Low 11°C
Rain 15 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low -2°C
Rain 16 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 4°C / -3°C . Feb: 6°C / -2°C . Mar: 11°C / 1°C . Apr: 17°C / 6°C . May: 22°C / 11°C . Jun: 25°C / 16°C . Jul: 28°C / 20°C . Aug: 29°C / 21°C . Sep: 25°C / 18°C . Oct: 19°C / 11°C . Nov: 13°C / 4°C . Dec: 7°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 90 mm. Feb: 84 mm. Mar: 109 mm. Apr: 121 mm. May: 140 mm. Jun: 172 mm. Jul: 233 mm. Aug: 157 mm. Sep: 174 mm. Oct: 159 mm. Nov: 87 mm. Dec: 95 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 65%. Feb: 63%. Mar: 67%. Apr: 67%. May: 68%. Jun: 74%. Jul: 79%. Aug: 78%. Sep: 81%. Oct: 79%. Nov: 75%. Dec: 67%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 11 km/h . Mar: 11 km/h . Apr: 12 km/h . May: 10 km/h . Jun: 9 km/h . Jul: 7 km/h . Aug: 8 km/h . Sep: 8 km/h . Oct: 9 km/h . Nov: 9 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 9h. Apr: 9h. May: 10h. Jun: 9h. Jul: 9h. Aug: 10h. Sep: 8h. Oct: 7h. Nov: 8h. Dec: 8h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 24 days. Feb: 19 days. Mar: 14 days. Apr: 4 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 6 days. Dec: 20 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 16 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Aug · 29°C |
| Coldest month | Feb 2025 · -3°C | Jan · -3°C |
| Wettest month | Jun 2025 · 173 mm | Jul · 233 mm |
| Windiest month | Feb 2025 · 12 km/h | Apr · 12 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July
Wet August
Wet September best
Excellent October best
Fair November
Fair December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -3°C | 1°C / -6°C | 16days (90 mm) Wet | 7.8h Good | 65% Muggy | 3.2 Moderate | Poor | View Details |
| February | 6°C / -2°C | 2°C / -6°C | 13days (84 mm) Wet | 8.6h Good | 63% Muggy | 4.1 Moderate | Poor | View Details |
| March | 11°C / 1°C | 8°C / -2°C | 14days (109 mm) Wet | 8.7h Good | 67% Muggy | 5.2 High | Poor | View Details |
| April | 17°C / 6°C | 15°C / 4°C | 13days (121 mm) Wet | 9.4h Good | 67% Muggy | 6 High | Fair | View Details |
| May best | 22°C / 11°C | 22°C / 11°C | 14days (140 mm) Wet | 9.5h Good | 68% Muggy | 6.4 High | Excellent | View Details |
| June best | 25°C / 16°C | 26°C / 17°C | 18days (172 mm) Wet | 9.2h Good | 74% Muggy | 6.8 High | Excellent | View Details |
| July | 28°C / 20°C | 32°C / 24°C | 21days (233 mm) Wet | 9.1h Good | 79% Humid | 7.6 Very High | Wet | View Details |
| August | 29°C / 21°C | 33°C / 25°C | 18days (157 mm) Wet | 9.9h Good | 78% Humid | 7.3 Very High | Wet | View Details |
| September best | 25°C / 18°C | 28°C / 19°C | 17days (174 mm) Wet | 8.1h Good | 81% Humid | 6.1 High | Excellent | View Details |
| October best | 19°C / 11°C | 18°C / 10°C | 14days (159 mm) Wet | 7.2h Good | 79% Humid | 4.4 Moderate | Fair | View Details |
| November | 13°C / 4°C | 11°C / 2°C | 13days (87 mm) Wet | 7.7h Good | 75% Muggy | 3.6 Moderate | Fair | View Details |
| December | 7°C / 0°C | 4°C / -4°C | 18days (95 mm) Wet | 7.6h Good | 67% Muggy | 3 Moderate | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Ueda are May, June, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Ueda, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Ueda is August, with average daytime highs of 29°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Ueda is January, with average overnight lows of -3°C (27°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Ueda is July, averaging 233mm of precipitation across 21 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Ueda runs through July, June, August, December, with the heaviest rainfall in July. Based on 10-year averages for Ueda.
Ueda receives approximately 103 sunshine hours per year. The sunniest month is August with around 10 hours. Based on climate data for Ueda.
The least favorable months to visit Ueda are January, February, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, September, October instead.
The annual average UV index in Ueda is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Ueda is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Ueda receives snow. Months with snowfall average 15 snow days and 29 cm (11 in) of accumulation, with about 12 frost days during winter.
Average wind speeds in Ueda are 10 km/h (6 mph). The windiest month is April with peak winds reaching 12 km/h (7 mph) (gusts up to 40 km/h / 25 mph).
Ueda averages 2 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in May.
The annual average dew point in Ueda is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Ueda has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Ueda ranges from 8°C (46°F) to 17°C (63°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
July is not the best time to visit Ueda, with a climate score of 5.5/10. Consider visiting during May, June, September, October instead for better conditions.
For July in Ueda, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 28°C (83°F) and 21 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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