AI-generatedChongjin at a glance
- Best time
- May – Jun, Sep – Oct
- Warmest month
- Aug · 26°
- Warmest sea
- Aug · 22.3°
- Sunshine a year
- 2,220 h
- Rain a year
- 736 mm
- Climate
- Continental
- Time zone
- UTC+9
- Elevation
- 5 m
Climate in Chongjin
Chongjin has mild to warm summers and cold winters with occasional snow. August is the warmest month with average highs of 26 °C, while January is the coolest at −3 °C. With around 2,220 hours of sunshine a year, Chongjin is sunny; March is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Best time to visit Chongjin
The best time to visit Chongjin is from May to June and from September to October. The sea reaches 22.3 °C in August, but frequent rain gets in the way of a classic beach holiday. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and from September to October. Rain is frequent from July to August; the wettest month is August with 175 mm.
Chongjin through the seasons
How the weather changes over the seasons, with averages for each.
Chongjin in spring
Mar – May
Good
- 5–18 °C by day
- Sea 6 °C
- 7.0 h of sun a day
- 21 rainy days in all
Chongjin in summer
Jun – Aug
Good
- 21–26 °C by day
- Sea 19 °C
- 5.6 h of sun a day
- 36 rainy days in all
Chongjin in autumn
Sep – Nov
Good
- 8–22 °C by day
- Sea 16 °C
- 6.2 h of sun a day
- 18 rainy days in all
Chongjin in winter
Dec – Feb
Poor
- −3–0 °C by day
- Sea 5 °C
- 5.6 h of sun a day
- 12 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Jul – Aug
Rainy season or more than 12 rainy days
Snow
Nov – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Chongjin for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: May – June, September – October
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 10°
- Midday, 13:00: about 16°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 11°
- Night, 23:00: about 9°
06:3217:41
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:14–07:09 · evening 17:04–17:59
- Blue hour
- Morning 06:04–06:14 · evening 17:59–18:09
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Chongjin compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 19° at the start of the month to 12° at the end. The sea cools from 18° to 14°. The days get 1.3 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 19° | 12° |
| Night-time low | 10° | 3° |
| Sea | 18° | 14° |
| Daylight | 11.8 h | 10.5 h |
What is the weather like in Chongjin in October?
In October, Chongjin is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 16.4 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain falls on about 6 days, adding up to 40 mm. All in all, October is a good month for a holiday in Chongjin.
More details for October
- Daylight
- 11 h 10 min06:32 – 17:41
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 50 %81 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 30 %89 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Compare two months in Chongjin
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Chongjin: score 87 against 79. In September, days are 6 °C warmer than in October. The sea is 4 °C warmer in September. September has one more rainy day.
| Month | October | September |
|---|---|---|
| Holiday weather score | 79 | 87better |
| Daytime high | 16° | 22° |
| Night-time low | 7° | 14° |
| Sea | 16.4° | 20.1° |
| Sunshine | 6.6 h | 6.9 h |
| Rainy days | 6better | 7 |
| Rainfall | 40 mmbetter | 79 mm |
| Muggy days | 0better | 3 |
Based on the climate averages 1996–2025.
Chongjin month by month
The typical weather for every month at a glance.
38January−3° · Sea 4° · 5.4 h
In January, Chongjin is bitterly cold: daytime highs average −3 °C, and nights often drop below freezing (−12 °C). The sea averages 4.4 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Precipitation falls on about 4 days, totalling 19 mm; on about 3 of them it snows. All in all, January is not an ideal month for a holiday in Chongjin.
Chongjin in January42February0° · Sea 3° · 6.6 h
In February, Chongjin is bitterly cold: daytime highs average −1 °C, and nights often drop below freezing (−10 °C). The sea averages 3.0 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Precipitation falls on about 3 days, totalling 15 mm; on about 3 of them it snows. All in all, February is a so-so month for a holiday in Chongjin.
Chongjin in February43March5° · Sea 3° · 7.3 h
In March, Chongjin is cold: daytime highs average 5 °C, and nights often drop below freezing (−4 °C). The sea averages 3.3 °C – swimming is only for the hardy. The sun shines for around 7.3 hours a day. Rain is rare: about 5 days bring 27 mm in total. Snow falls on about 3 days. All in all, March is a so-so month for a holiday in Chongjin.
Chongjin in March62April13° · Sea 6° · 7.1 h
In April, Chongjin is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. The sea averages 5.6 °C – swimming is only for the hardy. The sun shines for around 7.1 hours a day. Rain falls on about 6 days, adding up to 41 mm. All in all, April is a good month for a holiday in Chongjin.
Chongjin in April79May18° · Sea 9° · 6.6 h
In May, Chongjin is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. The sea averages 9.2 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain is frequent, with about 10 rainy days and 71 mm in total. All in all, May is a good month for a holiday in Chongjin.
Chongjin in May79June21° · Sea 15° · 5.8 h
In June, Chongjin is warm: daytime highs average 21 °C, and nights cool down to about 13 °C. The sea averages 14.5 °C – swimming is only for the hardy. Expect around 5.8 hours of sunshine a day. Rain falls on about 9 days, adding up to 71 mm. All in all, June is a good month for a holiday in Chongjin.
Chongjin in June69July25° · Sea 20° · 5.3 h
In July, Chongjin is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 139 mm in total. The air is often humid and muggy. All in all, July is a good month for a holiday in Chongjin.
Chongjin in July67August26° · Sea 22° · 5.6 h
In August, Chongjin is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 22.3 °C – refreshing for a swim. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 175 mm in total. The air is often humid and muggy. All in all, August is a good month for a holiday in Chongjin.
Chongjin in August87September22° · Sea 20° · 6.9 h
In September, Chongjin is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 20.1 °C – refreshing for a swim. The sun shines for around 6.9 hours a day. Rain falls on about 7 days, adding up to 79 mm. All in all, September is an excellent month for a holiday in Chongjin.
Chongjin in September79October16° · Sea 16° · 6.6 h
In October, Chongjin is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 16.4 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain falls on about 6 days, adding up to 40 mm. All in all, October is a good month for a holiday in Chongjin.
Chongjin in October33November8° · Sea 12° · 5.1 h
In November, Chongjin is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). The sea averages 12.0 °C – swimming is only for the hardy. Expect around 5.1 hours of sunshine a day. Rain falls on about 6 days, adding up to 38 mm. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Chongjin.
Chongjin in November34December0° · Sea 8° · 4.8 h
In December, Chongjin is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−9 °C). The sea averages 7.7 °C – swimming is only for the hardy. Expect around 4.8 hours of sunshine a day. Precipitation falls on about 5 days, totalling 22 mm; on about 4 of them it snows. All in all, December is not an ideal month for a holiday in Chongjin.
Chongjin in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Chongjin
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- muggy month (15+ muggy days)
ColdOctober: nights around 7°. The room should be heated.
The coolest nights are in January (−12°), the warmest in August (19°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from October to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 49 days a year, mostly from July to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 38 | −3° | −12° | 4.4° | 5.4 h | 4 | 19 |
| FebruaryFeb | 42 | −1° | −10° | 3.0° | 6.6 h | 3 | 15 |
| MarchMar | 43 | 5° | −4° | 3.3° | 7.3 h | 5 | 27 |
| AprilApr | 62 | 13° | 3° | 5.6° | 7.1 h | 6 | 41 |
| MayMay | 79 | 18° | 8° | 9.2° | 6.6 h | 10 | 71 |
| JuneJun | 79 | 21° | 13° | 14.5° | 5.8 h | 9 | 71 |
| JulyJul | 69 | 25° | 18° | 19.6° | 5.3 h | 13 | 139 |
| AugustAug | 67 | 26° | 19° | 22.3° | 5.6 h | 14 | 175 |
| SeptemberSep | 87 | 22° | 14° | 20.1° | 6.9 h | 7 | 79 |
| OctoberOct | 79 | 16° | 7° | 16.4° | 6.6 h | 6 | 40 |
| NovemberNov | 33 | 8° | −1° | 12.0° | 5.1 h | 6 | 38 |
| DecemberDec | 34 | 0° | −9° | 7.7° | 4.8 h | 5 | 22 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
41.80° N, 129.78° E · 5 m · Asia/Pyongyang
Sea temperature in Chongjin
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 15.4 – 17.7 °C
Swimming season: Aug – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Chongjin ranges from 3.0 °C in February to 22.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from August to September.
From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 20.7 and 23.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 4.4° | 2.6° | 6.2° | cold |
| FebruaryFeb | 3.0° | 1.4° | 4.1° | cold |
| MarchMar | 3.3° | 1.8° | 4.5° | cold |
| AprilApr | 5.6° | 4.4° | 6.9° | cold |
| MayMay | 9.2° | 7.3° | 10.6° | cold |
| JuneJun | 14.5° | 13.1° | 16.2° | cold |
| JulyJul | 19.6° | 18.0° | 21.2° | fresh |
| AugustAug | 22.3° | 20.7° | 23.5° | refreshing |
| SeptemberSep | 20.1° | 18.8° | 21.4° | refreshing |
| OctoberOct | 16.4° | 15.4° | 17.7° | cold |
| NovemberNov | 12.0° | 10.6° | 12.8° | cold |
| DecemberDec | 7.7° | 5.9° | 9.1° | cold |
Sunshine hours in Chongjin
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.6 of 11.2 hours of daylight in Chongjin, 59 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Chongjin: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Chongjin has about 6 rainy days with 40 mm of rain in total.
UV index in Chongjin
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 35 min
- Fair skin
- about 45 min
- Light brown skin
- about 65 min
- Olive skin
- about 80 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Chongjin
How breezy and how cloudy Chongjin is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Chongjin typically peaks at 18 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Nov – Jan.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 40 % of the sky over Chongjin: mostly sunny, with about 6.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Chongjin
How often the day gets hot in Chongjin (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Chongjin has about 0 hot days, with an average daytime high of 16 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Chongjin
When Chongjin is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Chongjin.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Chongjin
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Chongjin in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Chongjin has its best school-holiday weather during May half-term (score 79) and its weakest during the Christmas holidays (score 36).
- 56
Easter holidays
Mar – Apr
Fair
- 10 °C by day
- Sea 5 °C
- 7.2 h of sun a day
- 6 rainy days a month
Keep in mind: Snow
- 79
May half-term
May – Jun
GoodBest holidays
- 18 °C by day
- Sea 10 °C
- 6.4 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 68
Summer holidays
Jul – Aug
Good
- 25 °C by day
- Sea 21 °C
- 5.5 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 79
October half-term
Oct
Good
- 16 °C by day
- Sea 16 °C
- 6.6 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 36
Christmas holidays
Dec – Jan
Poor
- −1 °C by day
- Sea 6 °C
- 5.1 h of sun a day
- 4 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 50 min
- Distance
- 8,590 km
- Time zone
- UTC+9
- Jet lag
- About 8 days (8 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Chongjin compared
Put Chongjin side by side with another destination.
Chongjin vs Yanji
In October the holiday weather in Chongjin and Yanji is about equally good (score 79 vs 75). During the day it is about as warm in Yanji as in Chongjin.
| in October | Chongjin | Yanji |
|---|---|---|
| Holiday weather score | 79 | 75 |
| Daytime high | 16° | 16° |
| Sea | 16° | no sea nearby |
| Sunshine | 7 h | 7 h |
| Rainy days | 6 | 6 |
| Best time | May – Jun, Sep – Oct | Apr – Jun, Sep – Oct |
Through the year
North Korea in October: the best places
In October, Chongjin ranks 6 of 6 destinations in this country.
All destinations: North KoreaNear Chongjin
Other destinations close by.
Places with a climate like Chongjin
Destinations whose weather through the year is closest to Chongjin's – good alternatives.
Frequently asked questions about Chongjin
When is the best time to visit Chongjin?
The best time to visit Chongjin is from May to June and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Chongjin?
The sea temperature in Chongjin ranges from 3.0 °C in February to 22.3 °C in August. It is warm enough for a comfortable swim (20 °C and more) from August to September.
Can you swim in Chongjin in October?
Only if you don't mind cold water: in October the sea averages just 16.4 °C. Comfortable swimming is possible from August to September.
What is the warmest month in Chongjin?
August is the warmest month, with average highs of 26 °C and nights around 19 °C. January is the coolest month at −3 °C.
When does it rain most in Chongjin?
Rain is frequent from July to August; the wettest month is August with 175 mm. The driest month is February with 15 mm.
How many hours of sunshine does Chongjin get?
Chongjin gets around 2,220 hours of sunshine a year. The sunniest month is March with 7.3 hours a day; in December there are 4.8 hours a day.
What time zone is Chongjin in?
Chongjin is on UTC+9 all year.
How long is the flight from London to Chongjin?
A nonstop flight from London to Chongjin takes about 10 h 50 min, for a straight-line distance of about 8,590 km.
Which school holidays are best for Chongjin?
Chongjin has its best school-holiday weather during May half-term (score 79) and its weakest during the Christmas holidays (score 36). Holiday ratings (0–100): Easter holidays 56, May half-term 79, summer holidays 68, October half-term 79, Christmas holidays 36.