UTC Offset
UTC+09:00
Yoichi, Japan Snapshot 2026
Where is Yoichi?
Yoichi, Japan
- Continent
- Asia
- Country
- Japan
- City
- Yoichi
- Population
- 19K
- Coordinates
- 43.20°, 140.77°
Yoichi is a city in Japan with a population of approximately 19K. Average temperatures range from -5°C (24°F) in January to 26°C (78°F) in August. The best time to visit is May, June, July, August, September.
Time in Yoichi 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 Yoichi
Daylight in Yoichi today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 23m
Climate normals for Yoichi
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 | -1°C / -5°C | -6°C / -11°C | 23days (120 mm) Wet | 6.1h Fair | 79% Humid | 1.8 Low | Wet | View Details |
| February | -1°C / -4°C | -6°C / -10°C | 21days (100 mm) Wet | 7.6h Good | 77% Humid | 2.8 Moderate | Wet | View Details |
| March | 4°C / -1°C | 0°C / -5°C | 15days (80 mm) Wet | 8.9h Good | 79% Humid | 3.9 Moderate | Poor | View Details |
| April | 9°C / 3°C | 7°C / -1°C | 11days (70 mm) Wet | 9.8h Good | 78% Humid | 4.8 Moderate | Poor | View Details |
| May best | 17°C / 9°C | 16°C / 7°C | 12days (77 mm) Wet | 10.4h Excellent | 77% Humid | 5.8 High | Good | View Details |
| June best | 20°C / 14°C | 22°C / 13°C | 13days (105 mm) Wet | 10.2h Excellent | 84% Humid | 6.3 High | Excellent | View Details |
| July best | 25°C / 19°C | 29°C / 21°C | 9days (89 mm) Wet | 10.2h Excellent | 86% Very Muggy | 5.9 High | Excellent | View Details |
| August best | 26°C / 20°C | 29°C / 22°C | 15days (179 mm) Wet | 9.1h Good | 86% Very Muggy | 5.6 High | Excellent | View Details |
| September best | 22°C / 17°C | 23°C / 16°C | 12days (109 mm) Wet | 9h Good | 82% Humid | 4.8 Moderate | Excellent | View Details |
| October | 15°C / 10°C | 13°C / 7°C | 16days (141 mm) Wet | 8h Good | 77% Humid | 3.2 Moderate | Fair | View Details |
| November | 8°C / 3°C | 4°C / -2°C | 21days (164 mm) Wet | 6.4h Fair | 78% Humid | 2 Low | Wet | View Details |
| December | 1°C / -2°C | -4°C / -8°C | 26days (149 mm) Wet | 5.5h Fair | 80% Humid | 1.6 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -1°C / -5°C . Feb: -1°C / -4°C . Mar: 4°C / -1°C . Apr: 9°C / 3°C . May: 17°C / 9°C . Jun: 20°C / 14°C . Jul: 25°C / 19°C . Aug: 26°C / 20°C . Sep: 22°C / 17°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: 120 mm. Feb: 100 mm. Mar: 80 mm. Apr: 70 mm. May: 77 mm. Jun: 105 mm. Jul: 89 mm. Aug: 179 mm. Sep: 109 mm. Oct: 141 mm. Nov: 164 mm. Dec: 149 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 79%. Feb: 77%. Mar: 79%. Apr: 78%. May: 77%. Jun: 84%. Jul: 86%. Aug: 86%. Sep: 82%. Oct: 77%. Nov: 78%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 25 km/h . Feb: 25 km/h . Mar: 22 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 16 km/h . Sep: 18 km/h . Oct: 23 km/h . Nov: 26 km/h . Dec: 27 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 7°C . Feb: 6°C . Mar: 5°C . Apr: 8°C . May: 12°C . Jun: 17°C . Jul: 22°C . Aug: 25°C . Sep: 23°C . Oct: 18°C . Nov: 13°C . Dec: 9°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
Yoichi has a population of approximately 19K.
The best months to visit Yoichi are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Yoichi receives approximately 1383mm of rainfall annually across 194 rainy days.
Yoichi is located in Japan, in the Asia region.