Ŭllyul in Fall

In fall (September, October and November), Ŭllyul sees average daytime highs around 18°C and overnight lows near 9°C, with 169 mm of precipitation over about 20 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 27°C in early September to 6°C by late November. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.

Fall is Ŭllyul's 2nd-best season to visit on our travel score. For the whole year in context, see Ŭllyul's year-round climate.

Avg daytime high
18°C
2nd-warmest season
Avg overnight low
9°C
Precipitation
169 mm
20 wet days
Avg wind
10 km/h
Travel score
5.6
2nd-best season
Months
Sep · Oct · Nov

Temperature in Ŭllyul in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 27°C in early September to 6°C by late November.

A typical fall day in Ŭllyul reaches about 18°C and drops to 9°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Ŭllyul

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 17 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
17
wind chill below the day's low

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

Ŭllyul weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°133.32.89.60.0
Feb / -5°173.6210.50.0
Mar / -0°244.2111.72.1
Apr16° / 466.20.1135.6
May22° / 12°837.3014.17.2
Jun26° / 17°918.6014.66.8
Jul28° / 22°22714.6014.45.2
Aug29° / 22°19513.6013.55.2
Sep25° / 16°866.6012.37.3
Oct19° / 405.80116.8
Nov10° / 437.10.99.92.7
Dec / -4°225.32.49.40.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Ŭllyul gets around 169 mm of rain and snow over 20 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 10 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 54 min in early September to 9 h 30 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.6 kWh/m².

024SepOctNov
Planning a trip in fall

Hazard calendar for Ŭllyul

In seasonPeak

In fall, Ŭllyul overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Ŭllyul'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 fall a good time to visit Ŭllyul?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.6
Sightseeing
2nd-best month of the year
3.2
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Ŭllyul for sightseeing.

What to pack for Ŭllyul in Fall

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

In fall, Ŭllyul sees daytime highs around 18°C and nights near 9°C. Pack a warm layer. Worth having: light clothes and sun protection. About 20 days see rain.

a warm layerlight clothessun protection

Sea temperature near Ŭllyul in Fall

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

The sea at the nearest coast (about 30 km away) is warmest in August at about 22°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 16 to Oct 3 — about 2.6 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb3Bracing
Mar4Bracing
Apr7Bracing
May11Bracing
Jun16Cool
Jul20Refreshing
Aug22Refreshing
Sep22Refreshing
Oct19Cool
Nov15Bracing
Dec10Bracing

UV index in Ŭllyul in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages 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 Ŭllyul peaks around August 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 highHighModerateLowAug 13UV 8Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7High
Jun6High
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Ŭllyul in Fall

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ŭllyul is worst in November — around 82 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (July, 40 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyNov 1981 µg/m³Jul 2240 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb78Unhealthy
Mar80Unhealthy
Apr66Unhealthy
May54Poor
Jun46Poor
Jul40Poor
Aug41Poor
Sep58Unhealthy
Oct72Unhealthy
Nov82Unhealthy
Dec77Unhealthy
Location & terrain

Where is Ŭllyul?

Ŭllyul sits at 38.5°N, 125.2°E, 29 m above sea level, in North Korea. The nearest listed city is Kwail-ŭp, 17 km away.

Topography around Ŭllyul

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

Within 3 km, the terrain around Ŭllyul has significant variations in elevation — a maximum elevation change of 264 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,063 m; within 80 km, large variations in elevation — a maximum elevation change of 1,037 m.

The land around Ŭllyul is covered by cropland (70%) within 3 km, trees (45%) and cropland (42%) within 16 km, and water (38%), cropland (36%) and trees (21%) within 80 km.

3 km
264 m
16 km
1,063 m
80 km
1,037 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Kwail-ŭp 17 km · Songhwa 18 km · Samch’ŏn 21 km · Ŭnch’ŏn-ŭp 21 km · Chaeryŏng-ni 25 km · Anak 26 km · Changyŏn 30 km · Namp’o 31 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 Ŭllyul (38.5139°, 125.1897°, elevation 29 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.