UTC Offset
UTC+09:00
Otaru, Japan Snapshot 2026
Where is Otaru?
Otaru, Japan
- Continent
- Asia
- Country
- Japan
- City
- Otaru
- Population
- 115.3K
- Coordinates
- 43.19°, 141.00°
Otaru is a city in Japan with a population of approximately 115.3K. Average temperatures range from -5°C (23°F) in January to 25°C (78°F) in August. The best time to visit is May, June, July, August, September.
Time in Otaru right now
Open full time & time zone page 04:42 42
Thursday, June 18, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Otaru
Daylight in Otaru today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 23m
Climate normals for Otaru
Long-term monthly averages based on historical data.
January
Wet 
February
Wet March
Poor April
Poor May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -2°C / -5°C | -6°C / -11°C | 21days (90 mm) Wet | 6.5h Fair | 80% Humid | 1.8 Low | Wet | View Details |
| February | -1°C / -5°C | -6°C / -10°C | 19days (80 mm) Wet | 7.9h Good | 78% Humid | 2.8 Moderate | Wet | View Details |
| March | 3°C / -1°C | -1°C / -6°C | 14days (69 mm) Wet | 8.9h Good | 80% Humid | 3.9 Moderate | Poor | View Details |
| April | 9°C / 3°C | 6°C / -1°C | 11days (72 mm) Wet | 9.7h Good | 78% Humid | 4.9 Moderate | Poor | View Details |
| May best | 17°C / 9°C | 16°C / 6°C | 12days (82 mm) Wet | 10.2h Excellent | 77% Humid | 5.8 High | Good | View Details |
| June best | 20°C / 14°C | 21°C / 13°C | 12days (112 mm) Wet | 9.9h Good | 84% Humid | 6.4 High | Excellent | View Details |
| July best | 25°C / 19°C | 28°C / 20°C | 11days (112 mm) Wet | 10.1h Excellent | 86% Very Muggy | 6.2 High | Excellent | View Details |
| August best | 25°C / 20°C | 28°C / 22°C | 15days (208 mm) Wet | 8.9h Good | 86% Very Muggy | 5.7 High | Excellent | View Details |
| September best | 22°C / 16°C | 22°C / 16°C | 11days (111 mm) Wet | 8.8h Good | 82% Humid | 4.8 Moderate | Excellent | View Details |
| October | 15°C / 10°C | 13°C / 7°C | 15days (125 mm) Wet | 7.9h Good | 78% Humid | 3.1 Moderate | Fair | View Details |
| November | 8°C / 3°C | 4°C / -2°C | 20days (146 mm) Wet | 6.7h Fair | 78% Humid | 2 Low | Wet | View Details |
| December | 1°C / -2°C | -4°C / -8°C | 25days (125 mm) Wet | 5.8h Fair | 80% Humid | 1.6 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -2°C / -5°C . Feb: -1°C / -5°C . Mar: 3°C / -1°C . Apr: 9°C / 3°C . May: 17°C / 9°C . Jun: 20°C / 14°C . Jul: 25°C / 19°C . Aug: 25°C / 20°C . Sep: 22°C / 16°C . Oct: 15°C / 10°C . Nov: 8°C / 3°C . Dec: 1°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 90 mm. Feb: 80 mm. Mar: 69 mm. Apr: 72 mm. May: 82 mm. Jun: 112 mm. Jul: 112 mm. Aug: 208 mm. Sep: 111 mm. Oct: 125 mm. Nov: 146 mm. Dec: 125 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 78%. Mar: 80%. Apr: 78%. May: 77%. Jun: 84%. Jul: 86%. Aug: 86%. Sep: 82%. Oct: 78%. Nov: 78%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 24 km/h . Feb: 24 km/h . Mar: 22 km/h . Apr: 23 km/h . May: 21 km/h . Jun: 19 km/h . Jul: 17 km/h . Aug: 19 km/h . Sep: 20 km/h . Oct: 24 km/h . Nov: 27 km/h . Dec: 27 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 6°C . Feb: 5°C . Mar: 5°C . Apr: 8°C . May: 11°C . Jun: 17°C . Jul: 22°C . Aug: 25°C . Sep: 23°C . Oct: 18°C . Nov: 13°C . Dec: 8°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 6. Jul: UV 6. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Frequently Asked Questions
Otaru has a population of approximately 115.3K.
The best months to visit Otaru are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Otaru receives approximately 1332mm of rainfall annually across 186 rainy days.
Otaru is located in Japan, in the Asia region.