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Koshi Province

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Koshi Province Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Koshi Province year round climate

  • Spring (March–May): Average 17.9–22.3°C, warm and comfortable climate with gradually increasing rainfall. Common activities: Outdoor walks, enjoying natural scenery. Recommended clothing: Light jacket, long-sleeved shirts, comfortable trousers.
  • Summer (June–August): Average 24.0–24.4°C, hot and humid with heavy rainfall. Common activities: Visiting summer resorts, indoor activities. Recommended clothing: Light and breathable clothing, short-sleeved shirts, shorts, rain gear.
  • Autumn (September–November): Average 21.6–17.3°C, pleasant climate with decreasing rainfall. Common activities: Hiking, mountain climbing, enjoying autumn scenery. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 13.8–11.5°C, mild and dry climate with little rainfall. Common activities: Visiting temples and cultural sites. Recommended clothing: Warm jacket, trousers, scarf.

Koshi Province climatological average

Annual average temperature: approx. 19.7°C / Annual rainfall: approx. 999 mm / Summer humidity: 70%–80% / Rainiest month: July

Koshi Province monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
11.5°C
6
February
13°C
6.7
March
17.9°C
39.5
April
22.2°C
43.8
May
22.3°C
108.1
June
24.4°C
188.1
July
24°C
227.8
August
24.4°C
180.6
September
23.9°C
113.5
October
21.6°C
79
November
17.3°C
3.9
December
13.8°C
2.7

Koshi Province weather for the next seven days

4/30
Thursday
Heavy rain
22.3°C/17.2°C
5/1
Friday
Moderate rain
19.6°C/16°C
5/2
Saturday
Moderate rain
22°C/15.6°C
5/3
Sunday
Moderate rain
20.6°C/15.9°C
5/4
Monday
Patchy rain nearby
25.4°C/15.6°C
5/5
Tuesday
Moderate rain
26.5°C/18.2°C
5/6
Wednesday
Patchy rain nearby
26.4°C/18.3°C

Koshi Province Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best times to visit are during the winter ski season (usually from December to March) and the summer outdoor activity season (usually from July to November).

Which attractions are must-sees?

Must-see attractions include Chongjin Gorge Valley, a traditional retro shooting range and multiple hot spring facilities.