UTC Offset
UTC+09:00
Itoshima, Japan Snapshot 2026
Where is Itoshima?
Itoshima, Japan
- Continent
- Asia
- Country
- Japan
- City
- Itoshima
- Population
- 98.9K
- Coordinates
- 33.54°, 130.18°
Itoshima is a city in Japan with a population of approximately 98.9K. Average temperatures range from 5°C (41°F) in January to 30°C (86°F) in August. The best time to visit is May, June, October.
Time in Itoshima right now
Open full time & time zone page 02:56 56
Thursday, June 18, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Itoshima
Daylight in Itoshima today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 22m
Climate normals for Itoshima
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
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 5°C | 6°C / 1°C | 9days (70 mm) Wet | 6.4h Fair | 70% Muggy | 3.2 Moderate | Poor | View Details |
| February | 9°C / 5°C | 6°C / 1°C | 9days (79 mm) Wet | 7.3h Good | 70% Muggy | 3.8 Moderate | Poor | View Details |
| March | 13°C / 8°C | 12°C / 5°C | 11days (109 mm) Wet | 8h Good | 74% Muggy | 5.1 High | Fair | View Details |
| April | 18°C / 12°C | 17°C / 10°C | 10days (132 mm) Wet | 8.5h Good | 77% Humid | 5.9 High | Good | View Details |
| May best | 22°C / 16°C | 23°C / 16°C | 11days (161 mm) Wet | 8.9h Good | 80% Humid | 6.4 High | Excellent | View Details |
| June best | 25°C / 20°C | 28°C / 23°C | 14days (245 mm) Wet | 7.8h Good | 86% Very Muggy | 6.5 High | Excellent | View Details |
| July | 29°C / 24°C | 34°C / 29°C | 16days (257 mm) Wet | 9h Good | 86% Very Muggy | 7.5 Very High | Wet | View Details |
| August | 30°C / 26°C | 36°C / 30°C | 14days (227 mm) Wet | 10h Excellent | 82% Humid | 7.4 Very High | Wet | View Details |
| September | 27°C / 23°C | 30°C / 26°C | 15days (190 mm) Wet | 7.9h Good | 82% Humid | 6.3 High | Wet | View Details |
| October best | 22°C / 17°C | 22°C / 17°C | 9days (92 mm) Wet | 7.9h Good | 76% Humid | 4.9 Moderate | Excellent | View Details |
| November | 17°C / 12°C | 15°C / 10°C | 7days (74 mm) Good | 7.6h Good | 72% Muggy | 3.7 Moderate | Good | View Details |
| December | 11°C / 7°C | 8°C / 3°C | 9days (63 mm) Wet | 6.1h Fair | 69% Muggy | 3 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 9°C / 5°C . Feb: 9°C / 5°C . Mar: 13°C / 8°C . Apr: 18°C / 12°C . May: 22°C / 16°C . Jun: 25°C / 20°C . Jul: 29°C / 24°C . Aug: 30°C / 26°C . Sep: 27°C / 23°C . Oct: 22°C / 17°C . Nov: 17°C / 12°C . Dec: 11°C / 7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 70 mm. Feb: 79 mm. Mar: 109 mm. Apr: 132 mm. May: 161 mm. Jun: 245 mm. Jul: 257 mm. Aug: 227 mm. Sep: 190 mm. Oct: 92 mm. Nov: 74 mm. Dec: 63 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 70%. Feb: 70%. Mar: 74%. Apr: 77%. May: 80%. Jun: 86%. Jul: 86%. Aug: 82%. Sep: 82%. Oct: 76%. Nov: 72%. Dec: 69%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 14 km/h . Jun: 13 km/h . Jul: 13 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 15 km/h . Dec: 18 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 13°C . Feb: 12°C . Mar: 13°C . Apr: 16°C . May: 19°C . Jun: 23°C . Jul: 27°C . Aug: 29°C . Sep: 29°C . Oct: 24°C . Nov: 20°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 6. Jun: UV 7. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Itoshima has a population of approximately 98.9K.
The best months to visit Itoshima are May, June, October, when temperatures are pleasant and rainfall is lower.
Itoshima receives approximately 1699mm of rainfall annually across 134 rainy days.
Itoshima is located in Japan, in the Asia region.