UTC Offset
UTC+09:00
Semboku, Japan Snapshot 2026
Where is Semboku?
Semboku, Japan
- Continent
- Asia
- Country
- Japan
- City
- Semboku
- Population
- 25.9K
- Coordinates
- 39.71°, 140.75°
Semboku is a city in Japan with a population of approximately 25.9K. Average temperatures range from -7°C (20°F) in January to 26°C (79°F) in August. The best time to visit is June, July, August, September, October.
Time in Semboku right now
Open full time & time zone page 23:52 52
Friday, May 8, 2026
IANA time zone
Asia/Tokyo
Daylight saving
No DST
Next DST change
—
Live weather in Semboku
Daylight in Semboku today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 07m
Climate normals for Semboku
Long-term monthly averages based on historical data.
January
Wet 
February
Wet March
Poor April
Poor May
Fair June best
Excellent July best
Wet August best
Wet September best
Excellent October best
Fair November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -1°C / -7°C | -5°C / -11°C | 20days (116 mm) Wet | 6.5h Fair | 85% Humid | 2.3 Moderate | Wet | View Details |
| February | 0°C / -6°C | -4°C / -11°C | 19days (120 mm) Wet | 7.3h Good | 82% Humid | 3.3 Moderate | Wet | View Details |
| March | 5°C / -2°C | 1°C / -6°C | 16days (135 mm) Wet | 8.2h Good | 81% Humid | 4.3 Moderate | Poor | View Details |
| April | 11°C / 3°C | 9°C / 0°C | 16days (151 mm) Wet | 8.7h Good | 79% Humid | 5.1 High | Poor | View Details |
| May | 18°C / 9°C | 17°C / 7°C | 15days (154 mm) Wet | 8.8h Good | 80% Humid | 5.4 High | Fair | View Details |
| June best | 22°C / 14°C | 23°C / 14°C | 16days (194 mm) Wet | 8.8h Good | 85% Humid | 6.5 High | Excellent | View Details |
| July best | 25°C / 19°C | 29°C / 21°C | 19days (238 mm) Wet | 8.4h Good | 88% Very Muggy | 6 High | Wet | View Details |
| August best | 26°C / 20°C | 30°C / 23°C | 18days (235 mm) Wet | 8.5h Good | 88% Very Muggy | 6.8 High | Wet | View Details |
| September best | 22°C / 16°C | 24°C / 17°C | 16days (190 mm) Wet | 7.7h Good | 87% Very Muggy | 5.2 High | Excellent | View Details |
| October best | 15°C / 8°C | 14°C / 7°C | 13days (156 mm) Wet | 6.9h Fair | 85% Humid | 3.7 Moderate | Fair | View Details |
| November | 8°C / 2°C | 6°C / -1°C | 17days (137 mm) Wet | 6.4h Fair | 86% Very Muggy | 2.5 Moderate | Poor | View Details |
| December | 1°C / -4°C | -2°C / -8°C | 22days (150 mm) Wet | 5.8h Fair | 87% Very Muggy | 1.9 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -1°C / -7°C . Feb: 0°C / -6°C . Mar: 5°C / -2°C . Apr: 11°C / 3°C . May: 18°C / 9°C . Jun: 22°C / 14°C . Jul: 25°C / 19°C . Aug: 26°C / 20°C . Sep: 22°C / 16°C . Oct: 15°C / 8°C . Nov: 8°C / 2°C . Dec: 1°C / -4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 116 mm. Feb: 120 mm. Mar: 135 mm. Apr: 151 mm. May: 154 mm. Jun: 194 mm. Jul: 238 mm. Aug: 235 mm. Sep: 190 mm. Oct: 156 mm. Nov: 137 mm. Dec: 150 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 82%. Mar: 81%. Apr: 79%. May: 80%. Jun: 85%. Jul: 88%. Aug: 88%. Sep: 87%. Oct: 85%. Nov: 86%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 16 km/h . Mar: 15 km/h . Apr: 15 km/h . May: 14 km/h . Jun: 12 km/h . Jul: 10 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 12 km/h . Nov: 14 km/h . Dec: 14 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 5. Jun: UV 7. Jul: UV 6. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Semboku has a population of approximately 25.9K.
The best months to visit Semboku are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Semboku receives approximately 1976mm of rainfall annually across 207 rainy days.
Semboku is located in Japan, in the Asia region.