Sinanju in Summer
In summer (June, July and August), Sinanju sees average daytime highs around 27°C and overnight lows near 20°C, with 640 mm of rain over about 39 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 25°C in early June to 27°C by late August. The sky is clear or mostly clear about 27% of the time across summer, and the air most often feels oppressive.
Summer is Sinanju's best season of the year to visit on our travel score. For the whole year in context, see Sinanju's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 640 mm
- 39 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Sinanju in Summer
Over the season highs climb from about 25°C in early June to 27°C by late August.
A typical summer day in Sinanju reaches about 27°C and drops to 20°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Sinanju
Once humidity and wind are folded in, summer brings about 17 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sinanju weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -1° / -10° | 11 | 2.8 | 2.6 | 9.5 | 0.0 |
| Feb | 3° / -6° | 21 | 3.6 | 2.4 | 10.4 | 0.0 |
| Mar | 9° / -1° | 27 | 4.4 | 1.1 | 11.7 | 1.9 |
| Apr | 16° / 6° | 55 | 6.6 | 0.1 | 13 | 5.4 |
| May | 22° / 12° | 97 | 7.7 | 0 | 14.1 | 7.1 |
| Jun | 26° / 18° | 118 | 9.9 | 0 | 14.7 | 6.7 |
| Jul | 28° / 22° | 294 | 14.9 | 0 | 14.5 | 5.3 |
| Aug | 29° / 22° | 227 | 14 | 0 | 13.6 | 5.2 |
| Sep | 25° / 16° | 102 | 6.7 | 0 | 12.3 | 7.4 |
| Oct | 18° / 9° | 50 | 6.5 | 0 | 10.9 | 6.6 |
| Nov | 9° / 1° | 51 | 7.1 | 0.9 | 9.8 | 2.1 |
| Dec | 1° / -7° | 24 | 5.5 | 3.3 | 9.3 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 27% of the time across summer.
Chance of precipitation in Summer
Sinanju gets around 640 mm of rain over 39 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 36 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.9 kWh/m².
Hazard calendar for Sinanju
In summer, Sinanju overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Sinanju sits in the Pacific typhoon belt; the season peaks July–October.
Sinanju's rainy season runs July–August, when most of the year's rain falls.
Is summer a good time to visit Sinanju?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Sinanju for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sinanju in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sinanju sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 39 days see rain.
Sea temperature near Sinanju in Summer
The nearest coast averages about 21°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 2 | 0 | 2 | 7 | 13 | 18 | 22 | 25 | 23 | 18 | 12 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 2 | Bracing |
| Feb | 0 | Bracing |
| Mar | 2 | Bracing |
| Apr | 7 | Bracing |
| May | 13 | Bracing |
| Jun | 18 | Cool |
| Jul | 22 | Refreshing |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 18 | Cool |
| Nov | 12 | Bracing |
| Dec | 6 | Bracing |
UV index in Sinanju in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sinanju 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 3 | 5 | 7 | 6 | 7 | 8 | 7 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | High | High | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Sinanju in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Sinanju 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 106 | 94 | 94 | 80 | 68 | 59 | 50 | 50 | 67 | 81 | 90 | 91 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 106 | Unhealthy |
| Feb | 94 | Unhealthy |
| Mar | 94 | Unhealthy |
| Apr | 80 | Unhealthy |
| May | 68 | Unhealthy |
| Jun | 59 | Unhealthy |
| Jul | 50 | Poor |
| Aug | 50 | Poor |
| Sep | 67 | Unhealthy |
| Oct | 81 | Unhealthy |
| Nov | 90 | Unhealthy |
| Dec | 91 | Unhealthy |
Where is Sinanju?
Sinanju sits at 39.6°N, 125.6°E, 15 m above sea level, in North Korea. The nearest listed city is Anju, 5.0 km away.
Topography around Sinanju
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sinanju.
Within 3 km, the terrain around Sinanju has only modest variations in elevation — a maximum elevation change of 102 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 522 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,856 m.
The land around Sinanju is covered by cropland (72%) within 3 km, cropland (65%) and trees (24%) within 16 km, and trees (42%) and cropland (33%) within 80 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 Sinanju (39.5981°, 125.6097°, elevation 15 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.