September
Other strong months: June and May
85/100 weather score
North Korea · 1991–2020
Best time to visit
Yŏmju
For Yŏmju, September has the most comfortable weather in our climate comparison. Typical daytime highs are 24.5°C, nights average 14.4°C, and rainfall totals about 102 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthSeptember
Typical daytime high24.5°C
Typical night-time low14.4°C
September rainfall102 mm
September
Other strong months: June and August
54/100 weather score
October
Other strong months: May and April
80/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
1 month fits your choices for Yŏmju
The lowest comfort score is 5 out of 100. January, February and December share that score. In January, that is mainly because days reach only -1.8°C, 26° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Yŏmju?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Yŏmju?
September is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 24.5°C and 102 mm of rain.
What is the hottest month in Yŏmju?
August is hottest in this record, with a typical daytime high of 28.1°C and a night-time low of 20.4°C.
Which month has the least rain?
January has the lowest monthly rainfall total at 6 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | -1.8°C | -11.1°C | 6 mm | 1.3 | 2.1°C | 9 h 38 | 5 | Good coverage |
| February | 2°C | -8°C | 15 mm | 2.5 | 0.7°C | 10 h 37 | 5 | Good coverage |
| March | 7.5°C | -2.2°C | 22 mm | 3.2 | 2.3°C | 11 h 49 | 14 | Good coverage |
| April | 14.9°C | 4.4°C | 56 mm | 5.7 | 7.2°C | 13 h 12 | 45 | Good coverage |
| May | 20.8°C | 10.7°C | 115 mm | 8.3 | 12.8°C | 14 h 21 | 66 | Strong coverage |
| June | 24.7°C | 16.4°C | 129 mm | 9 | 18.0°C | 14 h 59 | 77 | Good coverage |
| July | 27°C | 20.6°C | 315 mm | 12.3 | 21.9°C | 14 h 44 | 33 | Good coverage |
| August | 28.1°C | 20.4°C | 294 mm | 11.9 | 24.1°C | 13 h 44 | 32 | Good coverage |
| September | 24.5°C | 14.4°C | 102 mm | 5.5 | 22.6°C | 12 h 24 | 85 | Good coverage |
| October | 17.4°C | 6.5°C | 57 mm | 5 | 17.6°C | 11 h 05 | 58 | Good coverage |
| November | 8°C | -1.1°C | 43 mm | 4.6 | 11.6°C | 9 h 55 | 16 | Good coverage |
| December | -0.3°C | -8.9°C | 16 mm | 2.7 | 5.9°C | 9 h 21 | 5 | Good coverage |
What has changed
Recent daytime highs are
1.9°C warmer in Yŏmju.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+2.2
Feb
+2.2
Mar
+2.3
Apr
+2.2
May
+1.8
Jun
+2.1
Jul
+2.2
Aug
+1.7
Sep
+2.3
Oct
+1.6
Nov
+1.7
Dec
+0.1
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 9.5°C24 Jan 2021 | -27.8°C13 Jan 1951 | 34 mm12 Jan 1964 | 60 mm1964 · driest 0 mm in 1951 | 75 |
| February | 15.2°C19 Feb 1998 | -28.0°C3 Feb 1952 | 50 mm10 Feb 2025 | 57 mm2025 · driest 0 mm in 1982 | 74 |
| March | 21.9°C30 Mar 2014 | -25.2°C3 Mar 1951 | 92 mm4 Mar 2007 | 128 mm2007 · driest 0 mm in 2025 | 75 |
| April | 27.3°C20 Apr 1994 | -7.0°C1 Apr 1972 | 86 mm18 Apr 2003 | 145 mm1969 · driest 1 mm in 2001 | 75 |
| May | 30.5°C30 May 2023 | 1.5°C2 May 1956 | 151 mm19 May 1995 | 274 mm2016 · driest 8 mm in 1952 | 75 |
| June | 34.5°C27 Jun 2000 | 5.3°C1 Jun 1957 | 111 mm28 Jun 1960 | 305 mm2022 · driest 3 mm in 2017 | 75 |
| July | 35.3°C27 Jul 1997 | 12.1°C4 Jul 1976 | 191 mm14 Jul 1953 | 865 mm2013 · driest 52 mm in 2019 | 75 |
| August | 35.5°C12 Aug 2009 | 9.5°C28 Aug 1972 | 414 mm4 Aug 1958 | 792 mm1958 · driest 6 mm in 1955 | 75 |
| September | 32.2°C5 Sep 2023 | 2.6°C22 Sep 1980 | 231 mm9 Sep 1999 | 285 mm1959 · driest 5 mm in 2023 | 74 |
| October | 27.5°C8 Oct 1982 | -5.8°C28 Oct 1966 | 77 mm4 Oct 1994 | 170 mm1980 · driest 0 mm in 1990 | 74 |
| November | 22.4°C2 Nov 2024 | -14.9°C30 Nov 1970 | 95 mm18 Nov 2020 | 122 mm2023 · driest 1 mm in 2008 | 73 |
| December | 13.0°C2 Dec 1968 | -23.8°C29 Dec 1967 | 27 mm6 Dec 1992 | 59 mm2004 · driest 0 mm in 2024 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 30 | <1 |
| February | 0 | 0 | 26 | <1 |
| March | 0 | 0 | 22 | <1 |
| April | <1 | 0 | 3 | 2 |
| May | 4 | <1 | 0 | 3 |
| June | 14 | 1 | 0 | 3 |
| July | 23 | 4 | 0 | 6 |
| August | 28 | 7 | 0 | 5 |
| September | 14 | <1 | 0 | 3 |
| October | <1 | 0 | 2 | 2 |
| November | 0 | 0 | 17 | 1 |
| December | 0 | 0 | 29 | <1 |
The best month has moved. On the 1961–1990 numbers the strongest month here was June (scoring 88); on 2011–2025 it is September (80). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 7% | <1% | 1% | -5.0–0.1°C |
| February | 0% | 9% | 1% | 3% | -1.7–4.1°C |
| March | 0% | 12% | 2% | 4% | 4.7–10.0°C |
| April | 9% | 20% | 6% | 15% | 12.9–17.1°C |
| May | 51% | 22% | 8% | 16% | 19.0–22.3°C |
| June | 68% | 31% | 12% | 36% | 22.6–26.2°C |
| July | 62% | 40% | 21% | 53% | 25.3–28.8°C |
| August | 67% | 35% | 19% | 39% | 26.7–29.2°C |
| September | 74% | 22% | 10% | 17% | 22.8–25.4°C |
| October | 24% | 17% | 6% | 8% | 15.5–18.9°C |
| November | <1% | 16% | 4% | 6% | 5.6–10.3°C |
| December | 0% | 9% | 1% | 2% | -2.8–2.0°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 1866587
- NOAA station
- CHM00054497 · DANDONG
- Station distance
- 28.5 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 23 usable years
- Daylight
- Calculated from latitude 39.89°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 19 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Yŏmju is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work