UTC Offset
UTC+09:00
Sumoto, Japan Snapshot 2026
Where is Sumoto?
Sumoto, Japan
- Continent
- Asia
- Country
- Japan
- City
- Sumoto
- Population
- 42.1K
- Coordinates
- 34.34°, 134.89°
Sumoto is a city in Japan with a population of approximately 42.1K. Average temperatures range from 5°C (41°F) in February to 29°C (84°F) in August. The best time to visit is May, June, September, October, November.
Time in Sumoto right now
Open full time & time zone page 23:52 52
Friday, May 8, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Sumoto
Daylight in Sumoto today
View full sunrise & sunset page Sunrise
Sunset
Day length
13h 45m
Climate normals for Sumoto
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June best
Excellent July
Wet August
Fair September best
Excellent October best
Excellent November best
Good December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 6°C | 4°C / 0°C | 10days (73 mm) Wet | 7.9h Good | 64% Muggy | 3.3 Moderate | Poor | View Details |
| February | 9°C / 5°C | 5°C / -1°C | 10days (77 mm) Wet | 8.3h Good | 65% Muggy | 4.2 Moderate | Poor | View Details |
| March | 12°C / 8°C | 9°C / 4°C | 10days (113 mm) Wet | 8.7h Good | 70% Muggy | 5 Moderate | Fair | View Details |
| April | 16°C / 12°C | 15°C / 9°C | 10days (148 mm) Wet | 9.2h Good | 75% Muggy | 6.1 High | Good | View Details |
| May best | 20°C / 17°C | 20°C / 15°C | 10days (200 mm) Wet | 9.2h Good | 80% Humid | 6.3 High | Excellent | View Details |
| June best | 23°C / 21°C | 26°C / 21°C | 13days (255 mm) Wet | 8.7h Good | 85% Humid | 6.4 High | Excellent | View Details |
| July | 27°C / 25°C | 32°C / 28°C | 11days (205 mm) Wet | 9.7h Good | 88% Very Muggy | 7.7 Very High | Wet | View Details |
| August | 29°C / 26°C | 34°C / 30°C | 9days (153 mm) Wet | 10.5h Excellent | 83% Humid | 7.2 Very High | Fair | View Details |
| September best | 27°C / 24°C | 30°C / 25°C | 13days (207 mm) Wet | 8.8h Good | 79% Humid | 6.4 High | Excellent | View Details |
| October best | 22°C / 18°C | 21°C / 16°C | 11days (215 mm) Wet | 8.1h Good | 70% Muggy | 4.7 Moderate | Excellent | View Details |
| November best | 17°C / 13°C | 15°C / 9°C | 9days (83 mm) Wet | 8h Good | 66% Muggy | 3.7 Moderate | Good | View Details |
| December | 12°C / 8°C | 7°C / 2°C | 11days (71 mm) Wet | 7.7h Good | 64% Muggy | 3.1 Moderate | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 9°C / 6°C . Feb: 9°C / 5°C . Mar: 12°C / 8°C . Apr: 16°C / 12°C . May: 20°C / 17°C . Jun: 23°C / 21°C . Jul: 27°C / 25°C . Aug: 29°C / 26°C . Sep: 27°C / 24°C . Oct: 22°C / 18°C . Nov: 17°C / 13°C . Dec: 12°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 73 mm. Feb: 77 mm. Mar: 113 mm. Apr: 148 mm. May: 200 mm. Jun: 255 mm. Jul: 205 mm. Aug: 153 mm. Sep: 207 mm. Oct: 215 mm. Nov: 83 mm. Dec: 71 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 64%. Feb: 65%. Mar: 70%. Apr: 75%. May: 80%. Jun: 85%. Jul: 88%. Aug: 83%. Sep: 79%. Oct: 70%. Nov: 66%. Dec: 64%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 33 km/h . Feb: 32 km/h . Mar: 30 km/h . Apr: 30 km/h . May: 27 km/h . Jun: 26 km/h . Jul: 26 km/h . Aug: 26 km/h . Sep: 26 km/h . Oct: 28 km/h . Nov: 29 km/h . Dec: 33 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 13°C . Feb: 12°C . Mar: 12°C . Apr: 15°C . May: 18°C . Jun: 22°C . Jul: 27°C . Aug: 29°C . Sep: 28°C . Oct: 24°C . Nov: 21°C . Dec: 16°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 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Sumoto has a population of approximately 42.1K.
The best months to visit Sumoto are May, June, September, October, November, when temperatures are pleasant and rainfall is lower.
Sumoto receives approximately 1800mm of rainfall annually across 127 rainy days.
Sumoto is located in Japan, in the Asia region.