Hamhŭng weather by month & the best time to visit
North Korea · coastal city break · humid subtropical climate
The best time to visit Hamhŭng is May — its sunniest month (Sunshine Score 75/100), with June and October close behind. Hamhŭng averages about 2,076 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 84 mm of rain in May.
When is the best time to visit Hamhŭng?
For sunshine, the best time to visit Hamhŭng is May, then June and October. The dullest month is January (0/100, 16 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hamhŭng?
Hamhŭng gets a moderate 2,076 hours of sunshine a year. 75 Sunshine Score points separate May (75) from January (0), so the month you pick matters. It ranks #3 of 4 destinations in North Korea for annual sunshine, below the national median of 2,077 hours. Rain is strongly seasonal here: roughly 61% of the year's 1,224 mm falls in the three months around August.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 1° / 34°F | -6° / 21°F | 16 mm | 1 | 3° / 37°F |
| February | 0 | 3° / 37°F | -4° / 25°F | 26 mm | 2 | 3° / 37°F |
| March | 0 | 8° / 46°F | 0° / 32°F | 32 mm | 3 | 5° / 41°F |
| April | 40 | 14° / 57°F | 5° / 41°F | 64 mm | 4 | 9° / 48°F |
| May | 75 | 20° / 68°F | 12° / 54°F | 84 mm | 5 | 14° / 57°F |
| June | 72 | 24° / 75°F | 17° / 63°F | 104 mm | 5 | 20° / 68°F |
| July | 63 | 26° / 79°F | 21° / 70°F | 336 mm | 5 | 23° / 73°F |
| August | 63 | 26° / 79°F | 22° / 72°F | 264 mm | 5 | 27° / 81°F |
| September | 64 | 23° / 73°F | 18° / 64°F | 148 mm | 5 | 25° / 77°F |
| October | 66 | 18° / 64°F | 11° / 52°F | 62 mm | 3 | 20° / 68°F |
| November | 13 | 10° / 50°F | 4° / 39°F | 65 mm | 2 | 15° / 59°F |
| December | 0 | 2° / 36°F | -4° / 25°F | 23 mm | 1 | 6° / 43°F |
Sea temperature in Hamhŭng by month
The sea off Hamhŭng is warmest in August at around 27°C / 81°F, and coolest in January at 3°C / 37°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Hamhŭng: questions and answers
What kind of destination is Hamhŭng?
Hamhŭng is a coastal city break in North Korea with a humid subtropical climate — the sea reaches 27°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Hamhŭng get a year?
Hamhŭng gets about 2,076 hours of sunshine a year, at its best around May.
When is the best time to visit Hamhŭng?
The sunniest time to visit Hamhŭng is May, when the Sunshine Score peaks at 75/100 (with June and October close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Hamhŭng?
January is the least sunny month in Hamhŭng, scoring 0/100 with about 16 mm of rain.
What is the sea temperature in Hamhŭng?
The sea in Hamhŭng ranges from about 3°C (January) to 27°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Hamhŭng?
The typical midday UV index in Hamhŭng peaks around 5 (moderate) in May, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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