Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Hamhung is from May, June, September. — consistent weather climate
🌦Humid
| Score | 22 | 22 | 35 | 69 | 84 | 79 | 57 | 52 | 77 | 74 | 27 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Humid | Rainy | Rainy | Humid | Mild | Cold | Polar |
| Temperature | -8–2°C | -6–4°C | -2–10°C | 4–16°C | 10–22°C | 16–25°C | 20–28°C | 21–27°C | 15–23°C | 8–17°C | 0–10°C | -7–3°C |
| Feels like | -12–-3°C | -11–-1°C | -5–7°C | 1–14°C | 9–21°C | 16–26°C | 23–31°C | 23–31°C | 15–25°C | 5–16°C | -3–7°C | -12–-2°C |
| Precipitation | 18mm 4 days | 25mm 6 days | 32mm 5 days | 42mm 5 days | 85mm 7 days | 103mm 9 days | 210mm 15 days | 263mm 18 days | 119mm 9 days | 68mm 8 days | 72mm 8 days | 24mm 4 days |
| Sunshine | 7.8h ☀︎ 80% | 8.4h ☀︎ 79% | 9.3h ☀︎ 78% | 10.2h ☀︎ 77% | 9.9h ☀︎ 69% | 10.0h ☀︎ 67% | 8.2h ☀︎ 56% | 7.6h ☀︎ 55% | 8.8h ☀︎ 71% | 8.1h ☀︎ 73% | 7.0h ☀︎ 70% | 7.8h ☀︎ 83% |
| Wind | NW · 15 km/h | NW · 16 km/h | W · 17 km/h | S · 18 km/h | S · 17 km/h | SE · 15 km/h | SE · 14 km/h | SE · 13 km/h | NE · 13 km/h | N · 14 km/h | NW · 14 km/h | NW · 15 km/h |
| Humidity (%) | 52% | 56% | 62% | 62% | 66% | 76% | 83% | 83% | 80% | 72% | 66% | 56% |
| Day length | 9.7h | 10.7h | 12.0h | 13.3h | 14.4h | 14.9h | 14.7h | 13.7h | 12.5h | 11.2h | 10.0h | 9.4h |
Foot traffic in Hamhung spikes to its annual peak precisely when the bitter Siberian winds lock the city in frost, yet the true moment to see North Korea's industrial powerhouse is May, when balmy coastal air washes across the wide boulevards.
Hamhung is not built for romance. North Korea’s second-largest city and the administrative capital of South Hamgyong Province is a colossal, planned monument to state industry, reconstructed from rubble with severe mid-century geometry, wide transit corridors, and smoking factory stacks framed against coastal hills. Travelers do not arrive here seeking pastoral charm or ancient village lanes; they come to witness the sheer scale of the DPRK's planned urban machinery, from the monumental Hamhung Grand Theatre anchoring the city center to the wide waters of the Songchon River. Because all travel here is organized and structured, the rhythms of the year matter intensely. The city feels entirely different when biting gales whip off the Sea of Japan than it does when spring warmth softens the concrete facade.
May is the undisputed sweet spot on the Hamhung calendar, and June follows close on its heels. This is the brief, precious stretch when the coastal plain finally sheds the persistent chill of the north and settles into effortless, sun-drenched daytime warmth. Temperatures hover comfortably in the low twenties, the air carries a light ocean breeze without the stinging bite of earlier months, and the overcast grey of early spring gives way to blue skies.
Walking through the central plazas or heading up the winding paths of Mount Tonghung to view the cityscape below is actually pleasant rather than an endurance test against the elements. You can look out across the orderly grid, the steel bridges spanning the Songchon River, and the factory chimneys without shivering through multiple heavy layers. Days stretch out long and bright, offering ten hours of sunlight each day before the oppressive humidity of midsummer begins to gather.
Down along the coast at Majon Beach, the sand warms up under the late-spring sun, offering one of the few places in the province where the planned rigor of the city softens into seaside relaxation. If you have any choice in when you visit Hamhung, this early-summer window is the only time the weather actively cooperates with your itinerary.
Come July, the atmosphere over South Hamgyong thickens dramatically. The East Asian monsoon slams into the eastern coastline, bringing torrential downpours that frequently soak the city. The rain does not arrive as a gentle, ambient mist; it dumps heavily in sudden, torrential bursts that swamp the stone plazas and turn the Songchon River into a roiling, silt-laden torrent.
Between the storms, the heat clings uncomfortably. High humidity pushes apparent temperatures above thirty degrees, creating a thick, muggy greenhouse effect across the concrete expanses of downtown Hamhung. Long outdoor walking tours around the foot of Mount Tonghung or standing outside civic monuments become sweaty, stifling affairs.
While the coastline at Majon Beach offers a coastal escape from the urban heat, the unpredictable monsoon fronts mean clear beach days are always a gamble. It is a period of relentless dampness, where damp clothes stay damp and the sky remains a dense, low-hanging slate grey for days on end.
September brings swift relief from the tropical stickiness of August. The monsoon breaks, humidity plummets, and the air turns crisp and dry. Early autumn offers a second, somewhat cooler window of fine weather, with pleasant daytime temperatures and clear visibility stretching across South Hamgyong to the surrounding mountain ridges.
By October, the foliage across Mount Tonghung begins to turn deep amber and scarlet, framing the austere concrete facades of the city against vibrant hillsides. The days shorten quickly, however, and by late afternoon the temperature drops sharply. You will need a windbreaker in the sunshine and a sturdy coat as soon as dusk falls over the grand promenade.
Crowd numbers remain modest throughout autumn. There is a tranquil, industrious rhythm to the streets as the city prepares for the lean winter months ahead, making this a rewarding time to observe the everyday flow of Hamhung life without the sweltering discomfort of the summer.
Here lies the central contradiction of travel to Hamhung: November and December are the busiest months on record for organized arrivals, yet meteorologically, they are the most hostile. Siberian high-pressure systems sweep down from the north, driving sub-zero wind chills through the broad, exposed avenues and straight across the freezing waters of the Songchon River.
By late November, the daytime thaw is minimal, and by December, apparent temperatures sit consistently below freezing. The grandeur of the Hamhung Grand Theatre feels stark and forbidding when buffeted by gale-force northeasterlies. Outdoor stops must be brief, punctuated by hurried dashes between heated buses and indoor exhibition halls.
Why visitors converge here during the raw freeze of late autumn and early winter is tied to official commemorative calendars and diplomatic schedules rather than comfort. If you find yourself in Hamhung during these two months, come prepared with heavy thermal gear, wind-resistant outer shells, and a willingness to endure real, penetrating cold.
The dead of winter in January and February is numbingly cold. While rainfall is practically non-existent, the coastal winds off the sea cut straight to the bone, and the city’s vast stone plazas stand bleak, stark, and empty under pale, low winter sunlight. Ice cakes the edges of the Songchon River, and the surrounding peaks of South Hamgyong remain dusted with hard frost.
March brings the earliest hints of transition, but do not mistake it for spring. The wind remains raw, and the thaw is muddy and sluggish. It is not until late April that Hamhung truly begins to shake off the deep freeze.
By the end of April, daylight stretches past ten hours and daytime highs comfortably touch the mid-teens, making outdoor strolls around the monument squares tolerable once more. While April is perfectly manageable with a decent jacket, it serves primarily as the overture to the genuine comfort that arrives with May.