UTC Offset
UTC+09:00
Ōka, Japan Snapshot 2026
Where is Ōka?
Ōka, Japan
- Continent
- Asia
- Country
- Japan
- City
- Ōka
- Population
- 14K
- Coordinates
- 34.50°, 136.55°
Ōka is a city in Japan with a population of approximately 14K. Average temperatures range from 3°C (37°F) in January to 31°C (88°F) in August. The best time to visit is May, June, October, November.
Time in Ōka right now
Open full time & time zone page 13:40 40
Thursday, June 18, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Ōka
Daylight in Ōka today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 28m
Climate normals for Ōka
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
Wet September
Wet October best
Excellent November best
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 3°C | 5°C / -1°C | 5days (60 mm) Good | 7.9h Good | 69% Muggy | 3.4 Moderate | Poor | View Details |
| February | 10°C / 3°C | 6°C / -1°C | 7days (67 mm) Good | 8.4h Good | 68% Muggy | 4.1 Moderate | Poor | View Details |
| March | 14°C / 6°C | 12°C / 3°C | 11days (131 mm) Wet | 8.5h Good | 71% Muggy | 4.9 Moderate | Fair | View Details |
| April | 19°C / 11°C | 18°C / 9°C | 11days (152 mm) Wet | 9.1h Good | 73% Muggy | 5.7 High | Good | View Details |
| May best | 23°C / 15°C | 24°C / 15°C | 12days (188 mm) Wet | 9.2h Good | 77% Humid | 5.9 High | Excellent | View Details |
| June best | 26°C / 19°C | 29°C / 21°C | 16days (288 mm) Wet | 8.9h Good | 83% Humid | 6.2 High | Excellent | View Details |
| July | 30°C / 24°C | 35°C / 28°C | 19days (239 mm) Wet | 9.7h Good | 85% Humid | 7.6 Very High | Wet | View Details |
| August | 31°C / 25°C | 37°C / 30°C | 18days (211 mm) Wet | 10.6h Excellent | 83% Humid | 7.2 Very High | Wet | View Details |
| September | 28°C / 22°C | 32°C / 25°C | 19days (255 mm) Wet | 8.7h Good | 84% Humid | 6.1 High | Wet | View Details |
| October best | 22°C / 16°C | 23°C / 16°C | 14days (275 mm) Wet | 7.7h Good | 80% Humid | 4.2 Moderate | Excellent | View Details |
| November best | 17°C / 10°C | 15°C / 8°C | 8days (91 mm) Wet | 7.8h Good | 75% Muggy | 3.5 Moderate | Good | View Details |
| December | 11°C / 5°C | 8°C / 1°C | 6days (65 mm) Good | 7.8h Good | 72% Muggy | 3.1 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 9°C / 3°C . Feb: 10°C / 3°C . Mar: 14°C / 6°C . Apr: 19°C / 11°C . May: 23°C / 15°C . Jun: 26°C / 19°C . Jul: 30°C / 24°C . Aug: 31°C / 25°C . Sep: 28°C / 22°C . Oct: 22°C / 16°C . Nov: 17°C / 10°C . Dec: 11°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 60 mm. Feb: 67 mm. Mar: 131 mm. Apr: 152 mm. May: 188 mm. Jun: 288 mm. Jul: 239 mm. Aug: 211 mm. Sep: 255 mm. Oct: 275 mm. Nov: 91 mm. Dec: 65 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 68%. Mar: 71%. Apr: 73%. May: 77%. Jun: 83%. Jul: 85%. Aug: 83%. Sep: 84%. Oct: 80%. Nov: 75%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 19 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 12 km/h . Aug: 13 km/h . Sep: 14 km/h . Oct: 15 km/h . Nov: 16 km/h . Dec: 18 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 10°C . Feb: 9°C . Mar: 11°C . Apr: 14°C . May: 18°C . Jun: 22°C . Jul: 28°C . Aug: 28°C . Sep: 28°C . Oct: 24°C . Nov: 19°C . Dec: 14°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.
Frequently Asked Questions
Ōka has a population of approximately 14K.
The best months to visit Ōka are May, June, October, November, when temperatures are pleasant and rainfall is lower.
Ōka receives approximately 2022mm of rainfall annually across 146 rainy days.
Ōka is located in Japan, in the Asia region.