Sil-li weather in October

In October, Sil-li sees average daytime highs of 18°C and overnight lows near 9°C, with 50 mm of rain across 6.5 wet days and about 11 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 15°C by the end. The sky is clear or mostly clear about 54% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Sil-li's 4th-clearest and 8th-windiest month. For the whole year in context, see Sil-li's year-round climate.

Daytime high
18°
6th warmest
Overnight low
7th coldest
Rainfall
50 mm
6.5 wet days
Daylight
10 h 54 min
6:55 AM – 5:51 PM
Cloud cover
41%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
3.59 kWh/m²
Travel score
6.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 15°C by the end.

A typical October day in Sil-li reaches about 18°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, October runs about 7°C cooler than September and about 9°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42112
52111
62111
72111
82011
92010
102010
112010
121910
13199
14199
15199
16199
17188
18188
19188
20178
21177
22177
23177
24167
25166
26166
27166
28156
29155
30155
31145

How October really feels in Sil-li

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sil-li weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -10°112.82.69.50.0
Feb / -6°213.62.410.40.0
Mar / -1°274.41.111.71.9
Apr16° / 556.60.1135.4
May22° / 12°977.7014.17.1
Jun26° / 18°1189.9014.76.7
Jul28° / 22°29414.9014.55.3
Aug29° / 22°22714013.65.2
Sep25° / 16°1026.7012.37.4
Oct18° / 506.50116.6
Nov / 517.10.99.82.1
Dec / -7°245.53.39.30.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66337
76337
86436
96436
106535
116535
126634
136634
146634
156733
166733
176832
186832
196931
207030
217030
227129
237030
247030
257129
267129
277129
287030
296931
306931
316832

Chance of precipitation in October

Any precipitation

Sil-li gets around 50 mm of rain over 6.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
422
522
622
722
822
922
1021
1121
1221
1321
1421
1521
1621
1720
1820
1920
2020
2120
2220
2320
2420
2520
2620
2721
2821
2921
3022
3122

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15830111
26029101
3632791
4652681
5682471
6712360
7742150
8762040
9791830
10811630
11831520
12851320
13861220
14871120
15881020
1690910
1791810
1892710
1993610
2094510
2195410
2296400
2397300
2497300
2598200
2698200
2798200
2898200
2998200
3099100
3199100

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:39 AM to 7:11 AM, and sunset from 6:15 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:396:15
211.56:406:13
311.56:416:12
411.56:426:10
511.46:436:08
611.46:446:07
711.36:456:05
811.36:466:04
911.26:476:02
1011.26:496:00
1111.26:505:59
1211.16:515:57
1311.16:525:56
1411.06:535:54
1511.06:545:53
1610.96:555:51
1710.96:565:50
1810.96:575:49
1910.86:585:47
2010.86:595:46
2110.77:005:44
2210.77:015:43
2310.77:025:42
2410.67:045:40
2510.67:055:39
2610.57:065:38
2710.57:075:37
2810.57:085:35
2910.47:095:34
3010.47:105:33
3110.37:115:32

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.59 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 5.74 kWh/m² in May across the year — October's 3.59 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.6Moderate
163.6Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.1Moderate
293.1Moderate
303.0Moderate
313.0Moderate
Planning a trip in October

Hazard calendar for Sil-li

In seasonPeak

In October, Sil-li sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sil-li sits in the Pacific typhoon belt; the season peaks July–October.

Sil-li's rainy season runs July–August, 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 October a good time to visit Sil-li?

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

6.6
Sightseeing
4th-best month of the year
2.6
Beach & pool
6th-best month of the year

October is a reasonable time to visit Sil-li for sightseeing.

What to pack for Sil-li in October

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

In October, Sil-li sees daytime highs around 18°C and nights near 9°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Sil-li in October

The nearest coast averages about 18°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 25°C and coldest in February near -0°C.

It's comfortable for a long swim from Jul 3 to Oct 2 — about 3 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan2Bracing
Feb0Bracing
Mar2Bracing
Apr7Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct18Cool
Nov12Bracing
Dec6Bracing

UV index in Sil-li in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sil-li peaks around August 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowAug 18UV 8Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr5High
May7High
Jun6High
Jul7High
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Sil-li in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sil-li is worst in January — around 106 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 50 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 17104 µg/m³Aug 1050 µg/m³
PM2.5 (µg/m³)Level
Jan106Unhealthy
Feb94Unhealthy
Mar94Unhealthy
Apr80Unhealthy
May68Unhealthy
Jun59Unhealthy
Jul50Poor
Aug50Poor
Sep67Unhealthy
Oct81Unhealthy
Nov90Unhealthy
Dec91Unhealthy
Location & terrain

Where is Sil-li?

Sil-li sits at 39.5°N, 125.5°E, 9 m above sea level, in North Korea. The nearest listed city is Ch’ŏsal-li, 11 km away.

SunanSunch’ŏnKaech’ŏn

Topography around Sil-li

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

Within 3 km, the terrain around Sil-li has only modest variations in elevation — a maximum elevation change of 30 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,229 m.

The land around Sil-li is covered by cropland (84%) within 3 km, cropland (74%) within 16 km, and cropland (36%), trees (34%) and water (24%) within 80 km.

3 km
30 m
16 km
408 m
80 km
1,229 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Ch’ŏsal-li 11 km · Paek'ak 12 km · Sinanju 16 km · Anju 21 km · Chŏngju 32 km · Sunan 38 km · Sunch’ŏn 40 km · Kaech’ŏn 43 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 Sil-li (39.4947°, 125.4736°, elevation 9 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).