UTC Offset
UTC+09:00
Kōzan, Japan Snapshot 2026
Where is Kōzan?
Kōzan, Japan
- Continent
- Asia
- Country
- Japan
- City
- Kōzan
- Population
- 15.1K
- Coordinates
- 34.58°, 133.05°
Kōzan is a city in Japan with a population of approximately 15.1K. Average temperatures range from 0°C (31°F) in January to 31°C (87°F) in August. The best time to visit is April, May, June, September, October.
Time in Kōzan right now
Open full time & time zone page 23:51 51
Friday, May 8, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Kōzan
Daylight in Kōzan today
View full sunrise & sunset page Sunrise
Sunset
Day length
13h 46m
Climate normals for Kōzan
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Fair April best
Good May best
Excellent June best
Excellent July
Wet August
Fair September best
Excellent October best
Excellent November
Good December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 0°C | 3°C / -4°C | 5days (43 mm) Good | 7.4h Good | 75% Muggy | 3.2 Moderate | Poor | View Details |
| February | 8°C / 0°C | 4°C / -4°C | 7days (56 mm) Good | 7.9h Good | 74% Muggy | 3.8 Moderate | Poor | View Details |
| March | 13°C / 4°C | 11°C / 1°C | 10days (96 mm) Wet | 8.5h Good | 73% Muggy | 5 Moderate | Fair | View Details |
| April best | 18°C / 8°C | 17°C / 6°C | 9days (120 mm) Wet | 8.9h Good | 72% Muggy | 6.1 High | Good | View Details |
| May best | 22°C / 13°C | 22°C / 12°C | 9days (131 mm) Wet | 9.1h Good | 73% Muggy | 6.5 High | Excellent | View Details |
| June best | 25°C / 18°C | 28°C / 19°C | 13days (208 mm) Wet | 8.5h Good | 80% Humid | 6.4 High | Excellent | View Details |
| July | 29°C / 22°C | 33°C / 26°C | 15days (245 mm) Wet | 9.4h Good | 83% Humid | 7.3 Very High | Wet | View Details |
| August | 31°C / 23°C | 35°C / 27°C | 12days (172 mm) Wet | 10.3h Excellent | 79% Humid | 7.2 Very High | Fair | View Details |
| September best | 26°C / 20°C | 29°C / 22°C | 13days (176 mm) Wet | 8.1h Good | 82% Humid | 6.1 High | Excellent | View Details |
| October best | 21°C / 13°C | 21°C / 12°C | 9days (112 mm) Wet | 7.8h Good | 78% Humid | 4.7 Moderate | Excellent | View Details |
| November | 15°C / 7°C | 13°C / 5°C | 6days (47 mm) Good | 7.9h Good | 78% Humid | 3.7 Moderate | Good | View Details |
| December | 9°C / 2°C | 5°C / -2°C | 6days (41 mm) Good | 7h Good | 77% Humid | 2.9 Moderate | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 7°C / 0°C . Feb: 8°C / 0°C . Mar: 13°C / 4°C . Apr: 18°C / 8°C . May: 22°C / 13°C . Jun: 25°C / 18°C . Jul: 29°C / 22°C . Aug: 31°C / 23°C . Sep: 26°C / 20°C . Oct: 21°C / 13°C . Nov: 15°C / 7°C . Dec: 9°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 43 mm. Feb: 56 mm. Mar: 96 mm. Apr: 120 mm. May: 131 mm. Jun: 208 mm. Jul: 245 mm. Aug: 172 mm. Sep: 176 mm. Oct: 112 mm. Nov: 47 mm. Dec: 41 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 74%. Mar: 73%. Apr: 72%. May: 73%. Jun: 80%. Jul: 83%. Aug: 79%. Sep: 82%. Oct: 78%. Nov: 78%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 16 km/h . Mar: 15 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 12 km/h . Jul: 12 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 15 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 12°C . Feb: 10°C . Mar: 11°C . Apr: 15°C . May: 19°C . Jun: 22°C . Jul: 27°C . Aug: 30°C . Sep: 29°C . Oct: 24°C . Nov: 19°C . Dec: 15°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 7. Jun: UV 6. Jul: UV 7. Aug: UV 7. Sep: UV 6. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Kōzan has a population of approximately 15.1K.
The best months to visit Kōzan are April, May, June, September, October, when temperatures are pleasant and rainfall is lower.
Kōzan receives approximately 1447mm of rainfall annually across 114 rainy days.
Kōzan is located in Japan, in the Asia region.