Nakatsu weather in August
In August, Nakatsu sees average daytime highs of 30°C and overnight lows near 25°C, with 144 mm of rain across 14.5 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.
Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 27% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Nakatsu's 8th-clearest and 10th-windiest month. For the whole year in context, see Nakatsu's year-round climate.
- Daytime high
- 30°
- 1st warmest
- Overnight low
- 25°
- 12th coldest
- Rainfall
- 144 mm
- 14.5 wet days
- Daylight
- 13 h 18 min
- 5:42 AM – 6:57 PM
- Cloud cover
- 63%
- 8th clearest
- Wind
- 8 km/h
- 10th windiest
- Solar energy
- 4.93 kWh/m²
- Travel score
- 4.3
- out of 10
Nakatsu is city in Oita prefecture, Japan.
- Density
- 172/km²
- people per km²
- Founded
- 1929
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 31°C in the first days to 29°C by the end.
A typical August day in Nakatsu reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.
| 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) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 25 |
| 2 | 31 | 25 |
| 3 | 31 | 25 |
| 4 | 31 | 25 |
| 5 | 31 | 25 |
| 6 | 31 | 25 |
| 7 | 31 | 25 |
| 8 | 31 | 25 |
| 9 | 31 | 25 |
| 10 | 31 | 25 |
| 11 | 31 | 25 |
| 12 | 31 | 25 |
| 13 | 31 | 25 |
| 14 | 31 | 25 |
| 15 | 31 | 25 |
| 16 | 31 | 25 |
| 17 | 31 | 25 |
| 18 | 30 | 25 |
| 19 | 30 | 25 |
| 20 | 30 | 25 |
| 21 | 30 | 25 |
| 22 | 30 | 25 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 24 |
| 26 | 30 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 29 | 24 |
| 30 | 29 | 24 |
| 31 | 29 | 24 |
How August really feels in Nakatsu
Once humidity and wind are folded in, August averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nakatsu weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 3° | 61 | 8.4 | 2 | 10 | 1.6 |
| Feb | 9° / 3° | 70 | 9 | 1.9 | 10.8 | 2.0 |
| Mar | 13° / 6° | 112 | 11.5 | 0.6 | 11.7 | 3.5 |
| Apr | 18° / 11° | 125 | 10.7 | 0 | 12.8 | 5.7 |
| May | 23° / 16° | 143 | 11 | 0 | 13.7 | 6.5 |
| Jun | 26° / 20° | 282 | 15.4 | 0 | 14.2 | 5.6 |
| Jul | 30° / 24° | 221 | 16.1 | 0 | 14 | 4.3 |
| Aug | 30° / 25° | 144 | 14.5 | 0 | 13.2 | 4.3 |
| Sep | 27° / 21° | 167 | 13.1 | 0 | 12.2 | 5.9 |
| Oct | 22° / 16° | 111 | 8.1 | 0 | 11.2 | 7.0 |
| Nov | 16° / 10° | 75 | 8.1 | 0 | 10.3 | 5.4 |
| Dec | 11° / 5° | 61 | 8.5 | 0.7 | 9.8 | 2.8 |
Cloud cover in August
The sky is clear or mostly clear about 27% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 55%.
| 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 (%) | 47 | 47 | 48 | 47 | 46 | 46 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |
| Cloudier (%) | 53 | 53 | 52 | 53 | 54 | 54 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 47 | 53 |
| 3 | 48 | 52 |
| 4 | 47 | 53 |
| 5 | 46 | 54 |
| 6 | 46 | 54 |
| 7 | 45 | 55 |
| 8 | 45 | 55 |
| 9 | 45 | 55 |
| 10 | 44 | 56 |
| 11 | 44 | 56 |
| 12 | 43 | 57 |
| 13 | 43 | 57 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 44 | 56 |
| 17 | 44 | 56 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 45 | 55 |
| 21 | 45 | 55 |
| 22 | 45 | 55 |
| 23 | 45 | 55 |
| 24 | 45 | 55 |
| 25 | 44 | 56 |
| 26 | 44 | 56 |
| 27 | 44 | 56 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Chance of precipitation in August
Nakatsu gets around 144 mm of rain over 14.5 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 47% and peaks near 51% on the wettest days. The odds climb 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 (%) | 44 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 |
| Rain chance (%) | |
|---|---|
| 1 | 44 |
| 2 | 43 |
| 3 | 43 |
| 4 | 43 |
| 5 | 43 |
| 6 | 43 |
| 7 | 44 |
| 8 | 44 |
| 9 | 44 |
| 10 | 45 |
| 11 | 45 |
| 12 | 46 |
| 13 | 46 |
| 14 | 46 |
| 15 | 47 |
| 16 | 47 |
| 17 | 48 |
| 18 | 48 |
| 19 | 48 |
| 20 | 49 |
| 21 | 49 |
| 22 | 49 |
| 23 | 49 |
| 24 | 50 |
| 25 | 50 |
| 26 | 50 |
| 27 | 50 |
| 28 | 50 |
| 29 | 51 |
| 30 | 51 |
| 31 | 51 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 |
| Muggy (%) | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 19 | 20 | 21 | 22 | 24 |
| Oppressive (%) | 74 | 74 | 75 | 75 | 76 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 76 | 74 | 75 | 74 | 74 | 74 | 73 | 72 | 71 | 71 | 70 | 69 | 68 | 68 | 67 | 66 | 65 | 63 |
| Miserable (%) | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 6 | 5 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 1 | 4 | 74 | 21 |
| 2 | 0 | 1 | 4 | 74 | 21 |
| 3 | 0 | 0 | 4 | 75 | 21 |
| 4 | 0 | 0 | 4 | 75 | 21 |
| 5 | 0 | 0 | 3 | 76 | 21 |
| 6 | 0 | 0 | 4 | 75 | 21 |
| 7 | 0 | 0 | 4 | 76 | 20 |
| 8 | 0 | 0 | 4 | 76 | 20 |
| 9 | 0 | 0 | 4 | 76 | 20 |
| 10 | 0 | 0 | 4 | 76 | 20 |
| 11 | 0 | 0 | 5 | 76 | 19 |
| 12 | 0 | 0 | 5 | 76 | 19 |
| 13 | 0 | 0 | 6 | 75 | 19 |
| 14 | 0 | 0 | 6 | 76 | 18 |
| 15 | 0 | 1 | 7 | 74 | 18 |
| 16 | 0 | 1 | 7 | 75 | 17 |
| 17 | 0 | 1 | 8 | 74 | 17 |
| 18 | 0 | 1 | 9 | 74 | 16 |
| 19 | 0 | 1 | 10 | 74 | 15 |
| 20 | 0 | 1 | 11 | 73 | 15 |
| 21 | 0 | 2 | 12 | 72 | 14 |
| 22 | 1 | 2 | 13 | 71 | 13 |
| 23 | 1 | 2 | 14 | 71 | 12 |
| 24 | 1 | 3 | 15 | 70 | 11 |
| 25 | 1 | 3 | 17 | 69 | 10 |
| 26 | 1 | 4 | 18 | 68 | 9 |
| 27 | 1 | 4 | 19 | 68 | 8 |
| 28 | 1 | 5 | 20 | 67 | 7 |
| 29 | 1 | 6 | 21 | 66 | 6 |
| 30 | 1 | 6 | 22 | 65 | 6 |
| 31 | 1 | 7 | 24 | 63 | 5 |
Wind in August
Winds average 8 km/h in August.
Across August, daily wind ranges from about 8 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in August
Daylight runs from about 13 h 42 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 54 minutes over August. Sunrise moves from 5:31 AM to 5:52 AM, and sunset from 7:12 PM to 6:38 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) | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 |
| Sunrise (AM) | 5:31 | 5:31 | 5:32 | 5:33 | 5:34 | 5:34 | 5:35 | 5:36 | 5:37 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:41 | 5:42 | 5:42 | 5:43 | 5:44 | 5:44 | 5:45 | 5:46 | 5:47 | 5:47 | 5:48 | 5:49 | 5:49 | 5:50 | 5:51 | 5:52 | 5:52 |
| Sunset (PM) | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:07 | 7:06 | 7:05 | 7:04 | 7:03 | 7:01 | 7:00 | 6:59 | 6:58 | 6:57 | 6:56 | 6:55 | 6:54 | 6:52 | 6:51 | 6:50 | 6:49 | 6:47 | 6:46 | 6:45 | 6:44 | 6:42 | 6:41 | 6:40 | 6:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.7 | 5:31 | 7:12 |
| 2 | 13.7 | 5:31 | 7:11 |
| 3 | 13.6 | 5:32 | 7:10 |
| 4 | 13.6 | 5:33 | 7:09 |
| 5 | 13.6 | 5:34 | 7:08 |
| 6 | 13.6 | 5:34 | 7:07 |
| 7 | 13.5 | 5:35 | 7:07 |
| 8 | 13.5 | 5:36 | 7:06 |
| 9 | 13.5 | 5:37 | 7:05 |
| 10 | 13.4 | 5:37 | 7:04 |
| 11 | 13.4 | 5:38 | 7:03 |
| 12 | 13.4 | 5:39 | 7:01 |
| 13 | 13.3 | 5:39 | 7:00 |
| 14 | 13.3 | 5:40 | 6:59 |
| 15 | 13.3 | 5:41 | 6:58 |
| 16 | 13.3 | 5:42 | 6:57 |
| 17 | 13.2 | 5:42 | 6:56 |
| 18 | 13.2 | 5:43 | 6:55 |
| 19 | 13.2 | 5:44 | 6:54 |
| 20 | 13.1 | 5:44 | 6:52 |
| 21 | 13.1 | 5:45 | 6:51 |
| 22 | 13.1 | 5:46 | 6:50 |
| 23 | 13.0 | 5:47 | 6:49 |
| 24 | 13.0 | 5:47 | 6:47 |
| 25 | 13.0 | 5:48 | 6:46 |
| 26 | 12.9 | 5:49 | 6:45 |
| 27 | 12.9 | 5:49 | 6:44 |
| 28 | 12.9 | 5:50 | 6:42 |
| 29 | 12.8 | 5:51 | 6:41 |
| 30 | 12.8 | 5:52 | 6:40 |
| 31 | 12.8 | 5:52 | 6:38 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.93 kWh/m².
For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 5.34 kWh/m² in May across the year — August's 4.93 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) | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.2 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 5.0 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.7 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
| 31 | 4.4 | Bright |
Hazard calendar for Nakatsu
In August, Nakatsu sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Nakatsu sits in the Pacific typhoon belt; the season peaks July–October.
Nakatsu's rainy season runs May–September, when most of the year's rain falls.
Is August a good time to visit Nakatsu?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Nakatsu for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nakatsu in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Nakatsu sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.
Sea temperature near Nakatsu in August
The nearest coast averages about 27°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 27°C and coldest in February near 12°C.
It's comfortable for a long swim from Jun 6 to Nov 9 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 13 | 12 | 12 | 14 | 18 | 21 | 25 | 27 | 26 | 23 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 13 | Bracing |
| Feb | 12 | Bracing |
| Mar | 12 | Bracing |
| Apr | 14 | Bracing |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Nakatsu in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nakatsu peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).
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) | 3 | 4 | 6 | 8 | 8 | 10 | 10 | 9 | 9 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Nakatsu in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Nakatsu is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 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) | 17 | 20 | 27 | 24 | 21 | 18 | 16 | 19 | 13 | 12 | 14 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 27 | Moderate |
| Apr | 24 | Moderate |
| May | 21 | Moderate |
| Jun | 18 | Moderate |
| Jul | 16 | Moderate |
| Aug | 19 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Good |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Nakatsu?
Nakatsu sits at 33.6°N, 131.2°E, 7 m above sea level, in Japan. The nearest listed city is Buzen, 6.0 km away.
Topography around Nakatsu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nakatsu.
Within 3 km, the terrain around Nakatsu has only modest variations in elevation — a maximum elevation change of 55 m around an average of 8 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 820 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,799 m.
The land around Nakatsu is covered by artificial surfaces (48%) and cropland (24%) within 3 km, water (43%) and trees (35%) within 16 km, and trees (50%) and water (34%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- 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 Nakatsu (33.5981°, 131.1883°, elevation 7 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).