Nagoya, Japan experiences average highs of 20°C (68°F) and lows of 11°C (52°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Average highs have stayed broadly stable across the available records.
Nagoya, Japan Weather & Climate 2026
Monthly climate averages for Nagoya, Japan. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.8/10
Best: May, June, October, November
UV Index
5
Low
Temperature 20°C / 11°C
Feels Like 20°C / 11°C
Rainy Days 10
Rainfall 128 mm
Sunshine 8 h
Humidity 76%
Wind Speed 15 km/h
Dew Point 11°C
Snow Days 1 days
Frost Days 12 days
Hottest Month
32°C
August
Avg Low24°C
Rain14days
Coldest Month
0°C
January
Avg High9°C
Rain5days
Driest Month
5days
January
Avg High9°C
Avg Low0°C
Windiest Month
18 km/h
February (Gusts 37)
Sea Temperature
8°C – 30°C
Warmest water: August (
30.4°C
)
Worst Time to Visit
Consider avoiding January, February, August due to less favorable weather conditions.
Sun Position
Sunrise 04:39
Daylight 14.5h
Sunset 19:09
Live conditions—
Nagoya on the map · live conditions
Nagoya, Japan
- Continent
- Asia
- Country
- Japan
- City
- Nagoya
- Population
- 2.3M
- Coordinates
- 35.18°, 136.91°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 9°C
Rain 10 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 29°C
Avg Low 22°C
Rain 15 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 22°C
Avg Low 14°C
Rain 11 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 10°C
Avg Low 1°C
Rain 5 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 9°C / 0°C . Feb: 10°C / 0°C . Mar: 14°C / 4°C . Apr: 19°C / 9°C . May: 23°C / 14°C . Jun: 26°C / 19°C . Jul: 30°C / 23°C . Aug: 32°C / 24°C . Sep: 28°C / 21°C . Oct: 22°C / 14°C . Nov: 17°C / 7°C . Dec: 11°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 43 mm. Feb: 61 mm. Mar: 116 mm. Apr: 141 mm. May: 166 mm. Jun: 198 mm. Jul: 216 mm. Aug: 152 mm. Sep: 170 mm. Oct: 156 mm. Nov: 71 mm. Dec: 45 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 71%. Feb: 69%. Mar: 70%. Apr: 72%. May: 75%. Jun: 79%. Jul: 83%. Aug: 80%. Sep: 82%. Oct: 79%. Nov: 76%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 18 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 16 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 14 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 8h. Mar: 8h. Apr: 9h. May: 9h. Jun: 9h. Jul: 9h. Aug: 10h. Sep: 8h. Oct: 7h. Nov: 8h. Dec: 8h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 8°C . Feb: 8°C . Mar: 10°C . Apr: 15°C . May: 19°C . Jun: 24°C . Jul: 29°C . Aug: 30°C . Sep: 29°C . Oct: 23°C . Nov: 17°C . Dec: 12°C .
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 6. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 4. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 1 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 1 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 19 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 34°C | Aug · 32°C |
| Coldest month | Feb 2025 · -1°C | Jan · 0°C |
| Wettest month | Jun 2025 · 225 mm | Jul · 216 mm |
| Windiest month | Feb 2025 · 20 km/h | Feb · 18 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June best
Excellent July
Wet August
Poor September
Good October best
Excellent November best
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 0°C | 5°C / -4°C | 5days (43 mm) Good | 7.8h Good | 71% Muggy | 3.3 Moderate | Poor | View Details |
| February | 10°C / 0°C | 6°C / -3°C | 6days (61 mm) Good | 8.2h Good | 69% Muggy | 4.2 Moderate | Poor | View Details |
| March | 14°C / 4°C | 12°C / 1°C | 10days (116 mm) Wet | 8.3h Good | 70% Muggy | 4.8 Moderate | Fair | View Details |
| April | 19°C / 9°C | 18°C / 7°C | 10days (141 mm) Wet | 8.9h Good | 72% Muggy | 5.7 High | Good | View Details |
| May best | 23°C / 14°C | 24°C / 14°C | 10days (166 mm) Wet | 9h Good | 75% Muggy | 6 High | Excellent | View Details |
| June best | 26°C / 19°C | 29°C / 20°C | 15days (198 mm) Wet | 8.7h Good | 79% Humid | 6.4 High | Excellent | View Details |
| July | 30°C / 23°C | 35°C / 27°C | 16days (216 mm) Wet | 8.9h Good | 83% Humid | 7.5 Very High | Wet | View Details |
| August | 32°C / 24°C | 36°C / 29°C | 14days (152 mm) Wet | 9.9h Good | 80% Humid | 7.1 Very High | Poor | View Details |
| September | 28°C / 21°C | 31°C / 24°C | 15days (170 mm) Wet | 8.3h Good | 82% Humid | 6.3 High | Good | View Details |
| October best | 22°C / 14°C | 23°C / 14°C | 11days (156 mm) Wet | 7.4h Good | 79% Humid | 4.3 Moderate | Excellent | View Details |
| November best | 17°C / 7°C | 15°C / 5°C | 7days (71 mm) Good | 7.6h Good | 76% Humid | 3.6 Moderate | Good | View Details |
| December | 11°C / 2°C | 8°C / -1°C | 5days (45 mm) Good | 7.6h Good | 74% Muggy | 3 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Nagoya are May, June, October, November, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Nagoya, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Nagoya is August, with average daytime highs of 32°C (89°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Nagoya is January, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Nagoya is July, averaging 216mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Nagoya runs through July, June, September, August, with the heaviest rainfall in July. Based on 10-year averages for Nagoya.
Nagoya receives approximately 101 sunshine hours per year. The sunniest month is August with around 10 hours. Based on climate data for Nagoya.
The least favorable months to visit Nagoya are January, February, August, primarily due to less favorable weather conditions. For the best conditions, consider May, June, October, November instead.
The annual average UV index in Nagoya is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Nagoya is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September, October average 27°C (81°F), which is warm and comfortable for swimming and water activities.
Yes, Nagoya receives snow. Months with snowfall average 1 snow days and 0 cm (0 in) of accumulation, with about 12 frost days during winter.
Average wind speeds in Nagoya are 15 km/h (9 mph). The windiest month is February with peak winds reaching 18 km/h (11 mph) (gusts up to 37 km/h / 23 mph).
Nagoya averages 5 clear-sky days per month with overall cloud cover around 56%. The clearest skies occur in November.
The annual average dew point in Nagoya is 11°C (52°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Nagoya 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 Nagoya ranges from 11°C (52°F) to 20°C (68°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Nagoya. It earns a climate score of 7.9/10 with Excellent.
For June in Nagoya, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 26°C (80°F) and 15 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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