UTC Offset
UTC+09:00
Onsŏng, North Korea Snapshot 2026
Where is Onsŏng?
Onsŏng, North Korea
- Continent
- Asia
- Country
- North Korea
- City
- Onsŏng
- Population
- 19.8K
- Coordinates
- 42.96°, 129.99°
Onsŏng is a city in North Korea with a population of approximately 19.8K. Average temperatures range from -15°C (5°F) in January to 27°C (81°F) in July. The best time to visit is May, June, July, August, September.
Time in Onsŏng right now
Open full time & time zone page 22:02 02
Thursday, June 18, 2026
IANA time zone
Asia/Pyongyang
Daylight saving
No DST
Next DST change
—
Live weather in Onsŏng
Daylight in Onsŏng today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 21m
Climate normals for Onsŏng
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -5°C / -15°C | -11°C / -20°C | 2days (8 mm) Excellent | 7.8h Good | 54% Moderate | 2.2 Moderate | Poor | View Details |
| February | -1°C / -12°C | -7°C / -17°C | 2days (9 mm) Excellent | 8.6h Good | 52% Moderate | 3.2 Moderate | Poor | View Details |
| March | 8°C / -4°C | 3°C / -8°C | 4days (23 mm) Good | 9.5h Good | 51% Moderate | 4.3 Moderate | Poor | View Details |
| April | 15°C / 2°C | 11°C / -1°C | 8days (38 mm) Wet | 9.8h Good | 58% Moderate | 5.1 High | Fair | View Details |
| May best | 21°C / 8°C | 19°C / 7°C | 11days (80 mm) Wet | 10.2h Excellent | 69% Muggy | 5.9 High | Good | View Details |
| June best | 24°C / 14°C | 25°C / 14°C | 13days (95 mm) Wet | 9.2h Good | 81% Humid | 6.2 High | Excellent | View Details |
| July best | 27°C / 19°C | 30°C / 21°C | 12days (109 mm) Wet | 8.4h Good | 85% Humid | 5.9 High | Excellent | View Details |
| August best | 26°C / 18°C | 29°C / 20°C | 16days (189 mm) Wet | 7.6h Good | 85% Humid | 4.8 Moderate | Excellent | View Details |
| September best | 22°C / 12°C | 22°C / 12°C | 8days (64 mm) Wet | 8.6h Good | 79% Humid | 4.9 Moderate | Excellent | View Details |
| October | 14°C / 4°C | 11°C / 1°C | 6days (33 mm) Good | 8.4h Good | 67% Muggy | 3.6 Moderate | Fair | View Details |
| November | 4°C / -4°C | -1°C / -9°C | 6days (43 mm) Good | 6.9h Fair | 62% Muggy | 2.3 Moderate | Poor | View Details |
| December | -4°C / -13°C | -10°C / -19°C | 2days (7 mm) Excellent | 7.1h Good | 54% Moderate | 1.9 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -5°C / -15°C . Feb: -1°C / -12°C . Mar: 8°C / -4°C . Apr: 15°C / 2°C . May: 21°C / 8°C . Jun: 24°C / 14°C . Jul: 27°C / 19°C . Aug: 26°C / 18°C . Sep: 22°C / 12°C . Oct: 14°C / 4°C . Nov: 4°C / -4°C . Dec: -4°C / -13°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 8 mm. Feb: 9 mm. Mar: 23 mm. Apr: 38 mm. May: 80 mm. Jun: 95 mm. Jul: 109 mm. Aug: 189 mm. Sep: 64 mm. Oct: 33 mm. Nov: 43 mm. Dec: 7 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 54%. Feb: 52%. Mar: 51%. Apr: 58%. May: 69%. Jun: 81%. Jul: 85%. Aug: 85%. Sep: 79%. Oct: 67%. Nov: 62%. Dec: 54%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 15 km/h . Jun: 13 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 15 km/h . Nov: 17 km/h . Dec: 17 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 6. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 2.
Frequently Asked Questions
Onsŏng has a population of approximately 19.8K.
The best months to visit Onsŏng are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Onsŏng receives approximately 698mm of rainfall annually across 90 rainy days.
Onsŏng is located in North Korea, in the Asia region.