Hamhŭng weather in April

In April, Hamhŭng sees average daytime highs of 15°C and overnight lows near 4°C, with 60 mm of precipitation across 7.3 wet days and about 13 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 17°C by the end. The sky is clear or mostly clear about 43% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 36 min by month's end. Set against the rest of the year, April is Hamhŭng's 7th-clearest and 5th-windiest month. For the whole year in context, see Hamhŭng's year-round climate.

Daytime high
15°
7th warmest
Overnight low
6th coldest
Precipitation
60 mm
7.3 wet days
Daylight
13 h 06 min
5:59 AM – 7:02 PM
Cloud cover
51%
7th clearest
Wind
9 km/h
5th windiest
Solar energy
5.62 kWh/m²
Travel score
4.8
out of 10

Hamhŭng is city in North Korea.

Density
1,694/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 17°C by the end.

A typical April day in Hamhŭng reaches about 15°C in the afternoon and slips back to 4°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 21°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1111
2121
3121
4122
5122
6132
7132
8132
9133
10143
11143
12143
13143
14144
15154
16154
17154
18155
19165
20165
21165
22165
23166
24176
25176
26176
27177
28177
29187
30187

How April really feels in Hamhŭng

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 8 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
8
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Hamhŭng weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -10°416.77.49.50.0
Feb / -8°366.16.110.40.0
Mar / -2°487.55.511.71.3
Apr15° / 607.31.1134.8
May20° / 10°888.4014.26.6
Jun24° / 15°10510.6014.86.6
Jul26° / 19°22615.7014.55.6
Aug26° / 20°24316.1013.65.6
Sep23° / 14°1319.4012.36.8
Oct17° / 677.80.110.96.0
Nov / 768.93.19.82.0
Dec / -7°446.45.89.20.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36040
45941
55941
65941
75941
85941
95941
105941
115842
125842
135743
145842
155644
165644
175743
185743
195743
205743
215743
225644
235644
245644
255545
265545
275644
285545
295545
305446

Chance of precipitation in April

Any precipitationSnow

Hamhŭng gets around 60 mm of rain and snow over 7.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 26% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1218
2218
3218
4217
5217
6217
7226
8226
9226
10225
11235
12235
13244
14244
15254
16253
17253
18263
19263
20262
21262
22262
23262
24261
25261
26261
27261
28261
29260
30260

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
24991
25991
26991
27991
28991
29991
30991

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:23 AM to 5:38 AM, and sunset from 6:46 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:236:46
212.46:216:47
312.56:196:48
412.56:186:49
512.66:166:50
612.66:146:51
712.76:136:52
812.76:116:53
912.76:106:54
1012.86:086:55
1112.86:066:57
1212.96:056:58
1312.96:036:59
1413.06:027:00
1513.06:007:01
1613.15:597:02
1713.15:577:03
1813.15:557:04
1913.25:547:05
2013.25:527:06
2113.35:517:07
2213.35:497:08
2313.35:487:09
2413.45:477:10
2513.45:457:11
2613.55:447:12
2713.55:427:13
2813.55:417:14
2913.65:407:15
3013.65:387:16

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.62 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.92 kWh/m² in May across the year — April's 5.62 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in April

Hazard calendar for Hamhŭng

In seasonPeak

In April, Hamhŭng sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Hamhŭng sits in the Pacific typhoon belt; the season peaks July–October.

Hamhŭng's rainy season runs July–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Hamhŭng?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.8
Sightseeing
7th-best month of the year
0.5
Beach & pool
7th-best month of the year

April is a reasonable time to visit Hamhŭng for sightseeing.

What to pack for Hamhŭng in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Hamhŭng sees daytime highs around 15°C and nights near 4°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

Sea temperature near Hamhŭng in April

The nearest coast averages about 8°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 km away) is warmest in August at about 24°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 5 to Sep 28 — about 2.8 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan5Bracing
Feb4Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun18Cool
Jul22Refreshing
Aug24Refreshing
Sep22Refreshing
Oct18Cool
Nov13Bracing
Dec8Bracing

UV index in Hamhŭng in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hamhŭng peaks around August 20 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighVery highModerateLowAug 20UV 8Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7High
Jul6High
Aug8Very high
Sep7Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Hamhŭng in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Hamhŭng is worst in March — around 96 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (July, 43 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 996 µg/m³Jul 1943 µg/m³
PM2.5 (µg/m³)Level
Jan95Unhealthy
Feb96Unhealthy
Mar96Unhealthy
Apr80Unhealthy
May64Unhealthy
Jun51Poor
Jul43Poor
Aug46Poor
Sep62Unhealthy
Oct83Unhealthy
Nov87Unhealthy
Dec84Unhealthy
Location & terrain

Where is Hamhŭng?

Hamhŭng sits at 39.9°N, 127.5°E, 16 m above sea level, in North Korea. The nearest listed city is Hŭngnam, 12 km away.

HongwŏnYuktae-dongSinp’oKowŏn-ŭpWŏnsan

Topography around Hamhŭng

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hamhŭng.

Within 3 km, the terrain around Hamhŭng has significant variations in elevation — a maximum elevation change of 302 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 595 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,400 m.

The land around Hamhŭng is covered by artificial surfaces (47%) and cropland (22%) within 3 km, cropland (50%) and trees (27%) within 16 km, and trees (58%) and water (24%) within 80 km.

3 km
302 m
16 km
595 m
80 km
2,400 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Hŭngnam 12 km · Yŏnggwang-ŭp 13 km · Samho-rodongjagu 29 km · Hongwŏn 38 km · Yuktae-dong 54 km · Sinp’o 58 km · Kowŏn-ŭp 59 km · Wŏnsan 85 km

North Korea travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Safe drinking water
67%
of population, 2023
Road deaths
24.2
per 100k/yr, 2019
Income group
Low
World Bank

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hamhŭng (39.9183°, 127.5364°, elevation 16 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).