UTC Offset
UTC+09:00
Ōma, Japan Snapshot 2026
Where is Ōma?
Ōma, Japan
- Continent
- Asia
- Country
- Japan
- City
- Ōma
- Population
- 5.2K
- Coordinates
- 41.53°, 140.91°
Ōma is a city in Japan with a population of approximately 5.2K. Average temperatures range from -1°C (30°F) in January to 24°C (76°F) in August. The best time to visit is June, July, August, September.
Time in Ōma 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 Ōma
Daylight in Ōma today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 15m
Climate normals for Ōma
Long-term monthly averages based on historical data.
January
Wet 
February
Wet March
Poor April
Poor May
Fair June best
Good July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C / -1°C | -5°C / -10°C | 23days (133 mm) Wet | 6.8h Fair | 69% Muggy | 2.1 Moderate | Wet | View Details |
| February | 2°C / -1°C | -5°C / -10°C | 19days (108 mm) Wet | 7.8h Good | 68% Muggy | 3.1 Moderate | Wet | View Details |
| March | 6°C / 3°C | 1°C / -4°C | 12days (86 mm) Wet | 9h Good | 70% Muggy | 4.3 Moderate | Poor | View Details |
| April | 10°C / 7°C | 6°C / 1°C | 11days (89 mm) Wet | 9.6h Good | 75% Muggy | 5.4 High | Poor | View Details |
| May | 14°C / 11°C | 12°C / 7°C | 10days (85 mm) Wet | 10.1h Excellent | 83% Humid | 6.2 High | Fair | View Details |
| June best | 17°C / 15°C | 17°C / 13°C | 10days (100 mm) Wet | 9.9h Good | 89% Very Muggy | 6.5 High | Good | View Details |
| July best | 22°C / 20°C | 24°C / 20°C | 10days (111 mm) Wet | 9.3h Good | 91% Very Muggy | 6.6 High | Excellent | View Details |
| August best | 24°C / 22°C | 27°C / 22°C | 12days (188 mm) Wet | 8.6h Good | 86% Very Muggy | 6.1 High | Excellent | View Details |
| September best | 22°C / 20°C | 23°C / 18°C | 11days (123 mm) Wet | 8.6h Good | 75% Muggy | 5.3 High | Excellent | View Details |
| October | 17°C / 14°C | 14°C / 9°C | 14days (124 mm) Wet | 7.9h Good | 67% Muggy | 3.8 Moderate | Fair | View Details |
| November | 10°C / 6°C | 5°C / -1°C | 17days (114 mm) Wet | 6.7h Fair | 67% Muggy | 2.5 Moderate | Poor | View Details |
| December | 4°C / 1°C | -2°C / -8°C | 25days (156 mm) Wet | 6.1h Fair | 69% Muggy | 1.7 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 2°C / -1°C . Feb: 2°C / -1°C . Mar: 6°C / 3°C . Apr: 10°C / 7°C . May: 14°C / 11°C . Jun: 17°C / 15°C . Jul: 22°C / 20°C . Aug: 24°C / 22°C . Sep: 22°C / 20°C . Oct: 17°C / 14°C . Nov: 10°C / 6°C . Dec: 4°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 133 mm. Feb: 108 mm. Mar: 86 mm. Apr: 89 mm. May: 85 mm. Jun: 100 mm. Jul: 111 mm. Aug: 188 mm. Sep: 123 mm. Oct: 124 mm. Nov: 114 mm. Dec: 156 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 68%. Mar: 70%. Apr: 75%. May: 83%. Jun: 89%. Jul: 91%. Aug: 86%. Sep: 75%. Oct: 67%. Nov: 67%. Dec: 69%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 46 km/h . Feb: 46 km/h . Mar: 41 km/h . Apr: 39 km/h . May: 35 km/h . Jun: 30 km/h . Jul: 29 km/h . Aug: 33 km/h . Sep: 34 km/h . Oct: 39 km/h . Nov: 43 km/h . Dec: 47 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 12°C . Feb: 10°C . Mar: 9°C . Apr: 10°C . May: 13°C . Jun: 18°C . Jul: 24°C . Aug: 27°C . Sep: 26°C . Oct: 22°C . Nov: 18°C . Dec: 14°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Ōma has a population of approximately 5.2K.
The best months to visit Ōma are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Ōma receives approximately 1417mm of rainfall annually across 174 rainy days.
Ōma is located in Japan, in the Asia region.