Onsŏng weather in April

In April, Onsŏng sees average daytime highs of 13°C and overnight lows near 1°C, with 43 mm of precipitation across 7.4 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 16°C by the end. The sky is clear or mostly clear about 25% 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 48 min by month's end. Set against the rest of the year, April is Onsŏng's 8th-clearest and 5th-windiest month. For the whole year in context, see Onsŏng's year-round climate.

Daytime high: 13°; 7th warmest
Overnight low: 1°; 6th coldest
Precipitation: 43 mm; 7.4 wet days
Daylight: 13 h 12 min; 5:45 AM – 6:55 PM
Cloud cover: 61%; 8th clearest
Wind: 10 km/h; 5th windiest
Solar energy: 5.25 kWh/m²
Travel score: 3.6; out of 10

← March Onsŏng year-round climate May →Best places to visit in April

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 16°C by the end.

A typical April day in Onsŏng reaches about 13°C in the afternoon and slips back to 1°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 20°C. Set against its neighbours, April runs about 8°C warmer than March and about 6°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	9	9	10	10	10	10	11	11	11	11	12	12	12	12	13	13	13	13	14	14	14	14	15	15	15	15	16	16	16	16
Avg low (°C)	-2	-2	-2	-2	-1	-1	-1	-1	0	0	0	0	0	1	1	1	1	1	2	2	2	2	2	3	3	3	3	4	4	4

	Avg high (°C)	Avg low (°C)
1	9	-2
2	9	-2
3	10	-2
4	10	-2
5	10	-1
6	10	-1
7	11	-1
8	11	-1
9	11	0
10	11	0
11	12	0
12	12	0
13	12	0
14	12	1
15	13	1
16	13	1
17	13	1
18	13	1
19	14	2
20	14	2
21	14	2
22	14	2
23	15	2
24	15	3
25	15	3
26	15	3
27	16	3
28	16	4
29	16	4
30	16	4

How April really feels in Onsŏng

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 23 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Onsŏng weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-7° / -18°	9	1.5	1.9	9.2	0.0
Feb	-3° / -15°	10	2.1	2.6	10.2	0.0
Mar	4° / -7°	23	5	4.2	11.6	0.4
Apr	13° / 1°	43	7.4	2.5	13.1	3.6
May	18° / 7°	79	11.8	0.3	14.4	5.6
Jun	22° / 13°	76	11.7	0	15.1	6.2
Jul	25° / 17°	137	13.1	0	14.8	6.2
Aug	25° / 17°	129	12.4	0	13.8	6.3
Sep	21° / 10°	65	8.1	0	12.3	6.8
Oct	13° / 2°	40	6.3	0.9	10.8	4.3
Nov	3° / -6°	26	4.8	3.4	9.5	0.3
Dec	-6° / -15°	11	2.7	3	8.9	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	50	50	49	48	48	48	48	48	47	46	45	45	45	45	44	43	44	43	43	43	43	44	44	44	43	43	43	44	44	43
Cloudier (%)	50	50	51	52	52	52	52	52	53	54	55	55	55	55	56	57	56	57	57	57	57	56	56	56	57	57	57	56	56	57

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	48	52
5	48	52
6	48	52
7	48	52
8	48	52
9	47	53
10	46	54
11	45	55
12	45	55
13	45	55
14	45	55
15	44	56
16	43	57
17	44	56
18	43	57
19	43	57
20	43	57
21	43	57
22	44	56
23	44	56
24	44	56
25	43	57
26	43	57
27	43	57
28	44	56
29	44	56
30	43	57

Chance of precipitation in April

Any precipitationSnow

Onsŏng gets around 43 mm of rain and snow over 7.4 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 26% and peaks near 33% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	17	17	18	18	19	19	20	21	21	22	23	24	25	26	26	27	27	28	28	29	29	29	30	30	31	31	32	32	33	33
Snow chance (%)	9	8	8	8	8	8	8	9	9	9	10	10	10	10	10	10	10	10	10	9	9	8	8	7	7	6	5	5	4	4

	Rain chance (%)	Snow chance (%)
1	17	9
2	17	8
3	18	8
4	18	8
5	19	8
6	19	8
7	20	8
8	21	9
9	21	9
10	22	9
11	23	10
12	24	10
13	25	10
14	26	10
15	26	10
16	27	10
17	27	10
18	28	10
19	28	10
20	29	9
21	29	9
22	29	8
23	30	8
24	30	7
25	31	7
26	31	6
27	32	5
28	32	5
29	33	4
30	33	4

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	9	9	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	9	calm
29	9	calm
30	9	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 6:12 AM to 5:23 AM, and sunset from 6:38 PM to 7:12 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.5	12.5	12.6	12.6	12.7	12.7	12.8	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.5	13.5	13.5	13.6	13.6	13.7	13.7	13.8	13.8
Sunrise (AM)	6:12	6:10	6:08	6:06	6:04	6:03	6:01	5:59	5:57	5:55	5:54	5:52	5:50	5:49	5:47	5:45	5:43	5:42	5:40	5:38	5:37	5:35	5:34	5:32	5:30	5:29	5:27	5:26	5:24	5:23
Sunset (PM)	6:38	6:39	6:40	6:41	6:42	6:44	6:45	6:46	6:47	6:48	6:50	6:51	6:52	6:53	6:54	6:55	6:57	6:58	6:59	7:00	7:01	7:02	7:04	7:05	7:06	7:07	7:08	7:09	7:11	7:12

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:12	6:38
2	12.5	6:10	6:39
3	12.5	6:08	6:40
4	12.6	6:06	6:41
5	12.6	6:04	6:42
6	12.7	6:03	6:44
7	12.7	6:01	6:45
8	12.8	5:59	6:46
9	12.8	5:57	6:47
10	12.9	5:55	6:48
11	12.9	5:54	6:50
12	13.0	5:52	6:51
13	13.0	5:50	6:52
14	13.1	5:49	6:53
15	13.1	5:47	6:54
16	13.2	5:45	6:55
17	13.2	5:43	6:57
18	13.3	5:42	6:58
19	13.3	5:40	6:59
20	13.4	5:38	7:00
21	13.4	5:37	7:01
22	13.5	5:35	7:02
23	13.5	5:34	7:04
24	13.5	5:32	7:05
25	13.6	5:30	7:06
26	13.6	5:29	7:07
27	13.7	5:27	7:08
28	13.7	5:26	7:09
29	13.8	5:24	7:11
30	13.8	5:23	7:12

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.25 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 5.44 kWh/m² in May across the year — April's 5.25 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.1	5.1	5.1	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.1	Bright
2	5.1	Bright
3	5.1	Bright
4	5.1	Bright
5	5.1	Bright
6	5.1	Bright
7	5.2	Bright
8	5.2	Bright
9	5.2	Bright
10	5.2	Bright
11	5.2	Bright
12	5.2	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.2	Bright
19	5.2	Bright
20	5.2	Bright
21	5.2	Bright
22	5.2	Bright
23	5.3	Bright
24	5.3	Bright
25	5.3	Bright
26	5.3	Bright
27	5.3	Bright
28	5.3	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in April

Hazard calendar for Onsŏng

In seasonPeak

None of Onsŏng's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is April a good time to visit Onsŏng?

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

3.6

Sightseeing

7th-best month of the year

0.1

Beach & pool

7th-best month of the year

April is a weaker month for outdoor sightseeing in Onsŏng.

What to pack for Onsŏng in April

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

In April, Onsŏng sees daytime highs around 13°C and nights near 1°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

UV index in Onsŏng 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 Onsŏng peaks around August 19 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	3	5	7	7	5	8	6	4	2	1
Level	Low	Low	Moderate	High	High	High	High	Very high	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	3	Moderate
Apr	5	High
May	7	High
Jun	7	High
Jul	5	High
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Onsŏng 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 Onsŏng is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (August, 17 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	35	37	47	36	28	22	19	17	21	26	29	29
Level	Moderate	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	35	Moderate
Feb	37	Poor
Mar	47	Poor
Apr	36	Poor
May	28	Moderate
Jun	22	Moderate
Jul	19	Moderate
Aug	17	Moderate
Sep	21	Moderate
Oct	26	Moderate
Nov	29	Moderate
Dec	29	Moderate

Location & terrain

Where is Onsŏng?

Onsŏng sits at 43.0°N, 130.0°E, 83 m above sea level, in North Korea. The nearest listed city is Namyang-nodongjagu, 11 km away.

Topography around Onsŏng

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

Within 3 km, the terrain around Onsŏng has only modest variations in elevation — a maximum elevation change of 172 m around an average of 94 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 762 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,475 m.

The land around Onsŏng is covered by cropland (82%) within 3 km, trees (61%) and cropland (27%) within 16 km, and trees (76%) within 80 km.

3 km

172 m

cropland 82%

16 km

762 m

trees 61%

80 km

1,475 m

trees 76%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← March Onsŏng year-round climate May →Best places to visit in April

April weather nearby: Namyang-nodongjagu 11 km · Namyang 11 km · Ŭndŏk 56 km · Aoji-ri 59 km · Hoeryŏng 61 km · Sŏnbong 75 km · Unggi 76 km · Rajin 82 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 Onsŏng (42.9572°, 129.9933°, elevation 83 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. 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).

	Avg high (°C)	Avg low (°C)
1	9	-2
2	9	-2
3	10	-2
4	10	-2
5	10	-1
6	10	-1
7	11	-1
8	11	-1
9	11	0
10	11	0
11	12	0
12	12	0
13	12	0
14	12	1
15	13	1
16	13	1
17	13	1
18	13	1
19	14	2
20	14	2
21	14	2
22	14	2
23	15	2
24	15	3
25	15	3
26	15	3
27	16	3
28	16	4
29	16	4
30	16	4

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	48	52
5	48	52
6	48	52
7	48	52
8	48	52
9	47	53
10	46	54
11	45	55
12	45	55
13	45	55
14	45	55
15	44	56
16	43	57
17	44	56
18	43	57
19	43	57
20	43	57
21	43	57
22	44	56
23	44	56
24	44	56
25	43	57
26	43	57
27	43	57
28	44	56
29	44	56
30	43	57

	Rain chance (%)	Snow chance (%)
1	17	9
2	17	8
3	18	8
4	18	8
5	19	8
6	19	8
7	20	8
8	21	9
9	21	9
10	22	9
11	23	10
12	24	10
13	25	10
14	26	10
15	26	10
16	27	10
17	27	10
18	28	10
19	28	10
20	29	9
21	29	9
22	29	8
23	30	8
24	30	7
25	31	7
26	31	6
27	32	5
28	32	5
29	33	4
30	33	4

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	9	-2
2	9	-2
3	10	-2
4	10	-2
5	10	-1
6	10	-1
7	11	-1
8	11	-1
9	11	0
10	11	0
11	12	0
12	12	0
13	12	0
14	12	1
15	13	1
16	13	1
17	13	1
18	13	1
19	14	2
20	14	2
21	14	2
22	14	2
23	15	2
24	15	3
25	15	3
26	15	3
27	16	3
28	16	4
29	16	4
30	16	4

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	48	52
5	48	52
6	48	52
7	48	52
8	48	52
9	47	53
10	46	54
11	45	55
12	45	55
13	45	55
14	45	55
15	44	56
16	43	57
17	44	56
18	43	57
19	43	57
20	43	57
21	43	57
22	44	56
23	44	56
24	44	56
25	43	57
26	43	57
27	43	57
28	44	56
29	44	56
30	43	57

	Rain chance (%)	Snow chance (%)
1	17	9
2	17	8
3	18	8
4	18	8
5	19	8
6	19	8
7	20	8
8	21	9
9	21	9
10	22	9
11	23	10
12	24	10
13	25	10
14	26	10
15	26	10
16	27	10
17	27	10
18	28	10
19	28	10
20	29	9
21	29	9
22	29	8
23	30	8
24	30	7
25	31	7
26	31	6
27	32	5
28	32	5
29	33	4
30	33	4

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	9	-2
2	9	-2
3	10	-2
4	10	-2
5	10	-1
6	10	-1
7	11	-1
8	11	-1
9	11	0
10	11	0
11	12	0
12	12	0
13	12	0
14	12	1
15	13	1
16	13	1
17	13	1
18	13	1
19	14	2
20	14	2
21	14	2
22	14	2
23	15	2
24	15	3
25	15	3
26	15	3
27	16	3
28	16	4
29	16	4
30	16	4

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	48	52
5	48	52
6	48	52
7	48	52
8	48	52
9	47	53
10	46	54
11	45	55
12	45	55
13	45	55
14	45	55
15	44	56
16	43	57
17	44	56
18	43	57
19	43	57
20	43	57
21	43	57
22	44	56
23	44	56
24	44	56
25	43	57
26	43	57
27	43	57
28	44	56
29	44	56
30	43	57

	Rain chance (%)	Snow chance (%)
1	17	9
2	17	8
3	18	8
4	18	8
5	19	8
6	19	8
7	20	8
8	21	9
9	21	9
10	22	9
11	23	10
12	24	10
13	25	10
14	26	10
15	26	10
16	27	10
17	27	10
18	28	10
19	28	10
20	29	9
21	29	9
22	29	8
23	30	8
24	30	7
25	31	7
26	31	6
27	32	5
28	32	5
29	33	4
30	33	4

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100