UTC Offset
UTC+09:00
Kōshi, Japan Snapshot 2026
Where is Kōshi?
Kōshi, Japan
- Continent
- Asia
- Country
- Japan
- City
- Kōshi
- Population
- 61.8K
- Coordinates
- 32.89°, 130.78°
Kōshi is a city in Japan with a population of approximately 61.8K. Average temperatures range from 2°C (36°F) in January to 31°C (88°F) in August. The best time to visit is May, June, October.
Time in Kōshi right now
Open full time & time zone page 00:17 17
Wednesday, July 1, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Kōshi
Daylight in Kōshi today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 17m
Climate normals for Kōshi
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June best
Wet July
Wet August
Wet September
Fair October best
Excellent November
Good December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 2°C | 6°C / -1°C | 8days (63 mm) Wet | 6.9h Fair | 75% Muggy | 3.7 Moderate | Poor | View Details |
| February | 10°C / 3°C | 7°C / 0°C | 10days (96 mm) Wet | 7.3h Good | 75% Muggy | 4.3 Moderate | Poor | View Details |
| March | 15°C / 6°C | 13°C / 4°C | 12days (136 mm) Wet | 7.8h Good | 76% Humid | 5.4 High | Fair | View Details |
| April | 20°C / 11°C | 19°C / 10°C | 11days (148 mm) Wet | 8.2h Good | 75% Muggy | 6.1 High | Good | View Details |
| May best | 23°C / 15°C | 25°C / 15°C | 13days (222 mm) Wet | 8.4h Good | 77% Humid | 6.4 High | Excellent | View Details |
| June best | 26°C / 19°C | 29°C / 22°C | 17days (378 mm) Wet | 7.1h Good | 84% Humid | 6.3 High | Wet | View Details |
| July | 29°C / 23°C | 34°C / 28°C | 18days (360 mm) Wet | 8.8h Good | 85% Humid | 7.6 Very High | Wet | View Details |
| August | 31°C / 24°C | 36°C / 29°C | 15days (229 mm) Wet | 9.8h Good | 81% Humid | 7.5 Very High | Wet | View Details |
| September | 28°C / 21°C | 32°C / 24°C | 14days (174 mm) Wet | 8h Good | 83% Humid | 6.6 High | Fair | View Details |
| October best | 23°C / 15°C | 24°C / 15°C | 9days (91 mm) Wet | 7.8h Good | 80% Humid | 5.2 High | Excellent | View Details |
| November | 17°C / 9°C | 16°C / 7°C | 8days (70 mm) Wet | 7.6h Good | 78% Humid | 4 Moderate | Good | View Details |
| December | 11°C / 4°C | 8°C / 1°C | 7days (60 mm) Good | 6.9h Fair | 76% Humid | 3.3 Moderate | Poor | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 9°C / 2°C . Feb: 10°C / 3°C . Mar: 15°C / 6°C . Apr: 20°C / 11°C . May: 23°C / 15°C . Jun: 26°C / 19°C . Jul: 29°C / 23°C . Aug: 31°C / 24°C . Sep: 28°C / 21°C . Oct: 23°C / 15°C . Nov: 17°C / 9°C . Dec: 11°C / 4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 63 mm. Feb: 96 mm. Mar: 136 mm. Apr: 148 mm. May: 222 mm. Jun: 378 mm. Jul: 360 mm. Aug: 229 mm. Sep: 174 mm. Oct: 91 mm. Nov: 70 mm. Dec: 60 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 75%. Mar: 76%. Apr: 75%. May: 77%. Jun: 84%. Jul: 85%. Aug: 81%. Sep: 83%. Oct: 80%. Nov: 78%. Dec: 76%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 13 km/h . Feb: 14 km/h . Mar: 13 km/h . Apr: 14 km/h . May: 12 km/h . Jun: 12 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 12 km/h . Nov: 11 km/h . Dec: 13 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 6. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Kōshi has a population of approximately 61.8K.
The best months to visit Kōshi are May, June, October, when temperatures are pleasant and rainfall is lower.
Kōshi receives approximately 2027mm of rainfall annually across 142 rainy days.
Kōshi is located in Japan, in the Asia region.