Cheongju-si weather in May
In May, Cheongju-si sees average daytime highs of 24°C and overnight lows near 12°C, with 90 mm of rain across 7.7 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 22°C in the first days to 26°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Cheongju-si's 8th-clearest and 4th-windiest month. For the whole year in context, see Cheongju-si's year-round climate.
- Daytime high
- 24°
- 5th warmest
- Overnight low
- 12°
- 8th coldest
- Rainfall
- 90 mm
- 7.7 wet days
- Daylight
- 13 h 54 min
- 5:28 AM – 7:25 PM
- Cloud cover
- 55%
- 8th clearest
- Wind
- 9 km/h
- 4th windiest
- Solar energy
- 5.85 kWh/m²
- Travel score
- 7.2
- out of 10
Cheongju-si is City in North Chungcheong Province, South Korea.
- Density
- 906/km²
- people per km²
- Founded
- 1946
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 22°C in the first days to 26°C by the end.
A typical May day in Cheongju-si reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 10 |
| 2 | 22 | 10 |
| 3 | 22 | 10 |
| 4 | 22 | 10 |
| 5 | 22 | 10 |
| 6 | 23 | 11 |
| 7 | 23 | 11 |
| 8 | 23 | 11 |
| 9 | 23 | 11 |
| 10 | 23 | 11 |
| 11 | 23 | 11 |
| 12 | 23 | 12 |
| 13 | 23 | 12 |
| 14 | 24 | 12 |
| 15 | 24 | 12 |
| 16 | 24 | 12 |
| 17 | 24 | 12 |
| 18 | 24 | 13 |
| 19 | 24 | 13 |
| 20 | 25 | 13 |
| 21 | 25 | 13 |
| 22 | 25 | 13 |
| 23 | 25 | 13 |
| 24 | 25 | 14 |
| 25 | 25 | 14 |
| 26 | 26 | 14 |
| 27 | 26 | 14 |
| 28 | 26 | 14 |
| 29 | 26 | 14 |
| 30 | 26 | 15 |
| 31 | 26 | 15 |
How May really feels in Cheongju-si
Once humidity and wind are folded in, May 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.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Cheongju-si weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -6° | 23 | 4.5 | 2.5 | 9.8 | 0.0 |
| Feb | 6° / -4° | 31 | 4.5 | 1.8 | 10.6 | 0.5 |
| Mar | 12° / 1° | 50 | 6.7 | 1.6 | 11.7 | 3.3 |
| Apr | 19° / 6° | 80 | 7.5 | 0.1 | 12.9 | 6.3 |
| May | 24° / 12° | 90 | 7.7 | 0 | 13.9 | 7.2 |
| Jun | 28° / 18° | 124 | 8.4 | 0 | 14.5 | 6.4 |
| Jul | 29° / 22° | 260 | 16.2 | 0 | 14.2 | 4.5 |
| Aug | 30° / 22° | 227 | 15.1 | 0 | 13.4 | 4.6 |
| Sep | 26° / 16° | 138 | 8.5 | 0 | 12.2 | 6.9 |
| Oct | 20° / 9° | 58 | 4.9 | 0 | 11.1 | 7.2 |
| Nov | 12° / 2° | 44 | 6.6 | 0.4 | 10 | 3.7 |
| Dec | 5° / -4° | 24 | 4.6 | 1.8 | 9.5 | 0.3 |
Cloud cover in May
The sky is clear or mostly clear about 39% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 49%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 53 | 53 | 53 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 51 | 50 | 50 |
| Cloudier (%) | 47 | 47 | 47 | 48 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 48 | 48 | 49 | 50 | 50 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 53 | 47 |
| 2 | 53 | 47 |
| 3 | 53 | 47 |
| 4 | 52 | 48 |
| 5 | 51 | 49 |
| 6 | 51 | 49 |
| 7 | 50 | 50 |
| 8 | 50 | 50 |
| 9 | 49 | 51 |
| 10 | 49 | 51 |
| 11 | 49 | 51 |
| 12 | 50 | 50 |
| 13 | 50 | 50 |
| 14 | 50 | 50 |
| 15 | 50 | 50 |
| 16 | 51 | 49 |
| 17 | 51 | 49 |
| 18 | 51 | 49 |
| 19 | 52 | 48 |
| 20 | 52 | 48 |
| 21 | 53 | 47 |
| 22 | 53 | 47 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 53 | 47 |
| 26 | 53 | 47 |
| 27 | 52 | 48 |
| 28 | 52 | 48 |
| 29 | 51 | 49 |
| 30 | 50 | 50 |
| 31 | 50 | 50 |
Chance of precipitation in May
Cheongju-si gets around 90 mm of rain over 7.7 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 25% and peaks near 28% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 27 |
| 2 | 27 |
| 3 | 28 |
| 4 | 28 |
| 5 | 28 |
| 6 | 28 |
| 7 | 28 |
| 8 | 28 |
| 9 | 28 |
| 10 | 28 |
| 11 | 28 |
| 12 | 28 |
| 13 | 28 |
| 14 | 27 |
| 15 | 27 |
| 16 | 27 |
| 17 | 26 |
| 18 | 26 |
| 19 | 25 |
| 20 | 25 |
| 21 | 24 |
| 22 | 24 |
| 23 | 23 |
| 24 | 22 |
| 25 | 22 |
| 26 | 21 |
| 27 | 21 |
| 28 | 21 |
| 29 | 20 |
| 30 | 20 |
| 31 | 20 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 78% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 91 | 90 | 90 | 90 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 86 | 86 | 85 | 84 | 82 | 80 | 79 | 78 | 77 | 75 | 74 | 72 | 71 | 69 | 67 | 65 | 63 | 61 | 59 | 57 |
| Comfortable (%) | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 30 | 31 |
| Humid (%) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 11 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 91 | 7 | 2 | 0 |
| 2 | 90 | 8 | 2 | 0 |
| 3 | 90 | 8 | 2 | 0 |
| 4 | 90 | 8 | 2 | 0 |
| 5 | 88 | 9 | 3 | 0 |
| 6 | 88 | 9 | 3 | 0 |
| 7 | 88 | 9 | 3 | 0 |
| 8 | 87 | 10 | 3 | 0 |
| 9 | 87 | 10 | 3 | 0 |
| 10 | 87 | 10 | 3 | 0 |
| 11 | 87 | 10 | 3 | 0 |
| 12 | 86 | 11 | 3 | 0 |
| 13 | 86 | 11 | 3 | 0 |
| 14 | 85 | 12 | 3 | 0 |
| 15 | 84 | 13 | 3 | 0 |
| 16 | 82 | 14 | 4 | 0 |
| 17 | 80 | 16 | 4 | 0 |
| 18 | 79 | 17 | 4 | 0 |
| 19 | 78 | 18 | 4 | 0 |
| 20 | 77 | 19 | 4 | 0 |
| 21 | 75 | 20 | 5 | 0 |
| 22 | 74 | 21 | 5 | 0 |
| 23 | 72 | 22 | 6 | 0 |
| 24 | 71 | 23 | 6 | 0 |
| 25 | 69 | 24 | 7 | 0 |
| 26 | 67 | 26 | 7 | 0 |
| 27 | 65 | 27 | 8 | 0 |
| 28 | 63 | 28 | 9 | 0 |
| 29 | 61 | 29 | 10 | 0 |
| 30 | 59 | 30 | 10 | 1 |
| 31 | 57 | 31 | 11 | 1 |
Wind in May
Winds average 9 km/h in May.
Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over May. Sunrise moves from 5:43 AM to 5:19 AM, and sunset from 7:12 PM to 7:36 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 |
| Sunrise (AM) | 5:43 | 5:42 | 5:41 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:26 | 5:25 | 5:24 | 5:23 | 5:23 | 5:22 | 5:22 | 5:21 | 5:20 | 5:20 | 5:19 | 5:19 | 5:19 |
| Sunset (PM) | 7:12 | 7:12 | 7:13 | 7:14 | 7:15 | 7:16 | 7:17 | 7:18 | 7:19 | 7:20 | 7:20 | 7:21 | 7:22 | 7:23 | 7:24 | 7:25 | 7:26 | 7:26 | 7:27 | 7:28 | 7:29 | 7:30 | 7:30 | 7:31 | 7:32 | 7:33 | 7:33 | 7:34 | 7:35 | 7:36 | 7:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.5 | 5:43 | 7:12 |
| 2 | 13.5 | 5:42 | 7:12 |
| 3 | 13.5 | 5:41 | 7:13 |
| 4 | 13.6 | 5:39 | 7:14 |
| 5 | 13.6 | 5:38 | 7:15 |
| 6 | 13.6 | 5:37 | 7:16 |
| 7 | 13.7 | 5:36 | 7:17 |
| 8 | 13.7 | 5:35 | 7:18 |
| 9 | 13.7 | 5:34 | 7:19 |
| 10 | 13.8 | 5:33 | 7:20 |
| 11 | 13.8 | 5:32 | 7:20 |
| 12 | 13.8 | 5:31 | 7:21 |
| 13 | 13.9 | 5:30 | 7:22 |
| 14 | 13.9 | 5:30 | 7:23 |
| 15 | 13.9 | 5:29 | 7:24 |
| 16 | 13.9 | 5:28 | 7:25 |
| 17 | 14.0 | 5:27 | 7:26 |
| 18 | 14.0 | 5:26 | 7:26 |
| 19 | 14.0 | 5:26 | 7:27 |
| 20 | 14.1 | 5:25 | 7:28 |
| 21 | 14.1 | 5:24 | 7:29 |
| 22 | 14.1 | 5:23 | 7:30 |
| 23 | 14.1 | 5:23 | 7:30 |
| 24 | 14.2 | 5:22 | 7:31 |
| 25 | 14.2 | 5:22 | 7:32 |
| 26 | 14.2 | 5:21 | 7:33 |
| 27 | 14.2 | 5:20 | 7:33 |
| 28 | 14.2 | 5:20 | 7:34 |
| 29 | 14.3 | 5:19 | 7:35 |
| 30 | 14.3 | 5:19 | 7:36 |
| 31 | 14.3 | 5:19 | 7:36 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.85 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.85 kWh/m² in May across the year — May's 5.85 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.7 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 6.0 | Bright |
| 23 | 6.0 | Bright |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Cheongju-si
None of Cheongju-si's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Cheongju-si's rainy season runs June–September, when most of the year's rain falls.
Is May a good time to visit Cheongju-si?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Cheongju-si for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cheongju-si in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Cheongju-si sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 8 days see rain.
UV index in Cheongju-si in May
Clear-sky midday UV in May peaks 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 Cheongju-si peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 7 | 8 | 9 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Cheongju-si in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Cheongju-si is worst in March — around 80 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (July, 45 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) | 69 | 72 | 80 | 65 | 58 | 54 | 45 | 45 | 56 | 67 | 72 | 65 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 69 | Unhealthy |
| Feb | 72 | Unhealthy |
| Mar | 80 | Unhealthy |
| Apr | 65 | Unhealthy |
| May | 58 | Unhealthy |
| Jun | 54 | Poor |
| Jul | 45 | Poor |
| Aug | 45 | Poor |
| Sep | 56 | Unhealthy |
| Oct | 67 | Unhealthy |
| Nov | 72 | Unhealthy |
| Dec | 65 | Unhealthy |
Where is Cheongju-si?
Cheongju-si sits at 36.6°N, 127.5°E, 49 m above sea level, in South Korea. The nearest listed city is Sejong, 18 km away.
Topography around Cheongju-si
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cheongju-si.
Within 3 km, the terrain around Cheongju-si has significant variations in elevation — a maximum elevation change of 317 m around an average of 83 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,213 m.
The land around Cheongju-si is covered by artificial surfaces (69%) and trees (25%) within 3 km, trees (52%) and cropland (24%) within 16 km, and trees (67%) and cropland (21%) within 80 km.
South Korea travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 220 V · 60 Hz
- Prices
- ≈ 57% of US
- price level, 2025
- GDP per capita
- $36,227
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.5
- per 100k, 2023
- Road deaths
- 8.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 522
- Religion
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 Cheongju-si (36.6372°, 127.4897°, elevation 49 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. 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).