Aso weather in June
In June, Aso sees average daytime highs of 25°C and overnight lows near 18°C, with 413 mm of rain across 18 wet days and about 14.1 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.
Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 9% of the time in June, and the air most often feels humid.
Daylight stretches from about 14 hours at the start of June to 14 h 12 min by month's end. Set against the rest of the year, June is Aso's 12th-clearest and 8th-windiest month. For the whole year in context, see Aso's year-round climate.
- Daytime high
- 25°
- 4th warmest
- Overnight low
- 18°
- 9th coldest
- Rainfall
- 413 mm
- 18 wet days
- Daylight
- 14 h 12 min
- 5:11 AM – 7:21 PM
- Cloud cover
- 82%
- 12th clearest
- Wind
- 7 km/h
- 8th windiest
- Solar energy
- 4.21 kWh/m²
- Travel score
- 5.2
- out of 10
Aso is city in Kumamoto Prefecture, Japan.
- Density
- 72/km²
- people per km²
- Founded
- 2005
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 24°C in the first days to 26°C by the end.
A typical June day in Aso reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, June runs about 2°C warmer than May and about 4°C cooler than July.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 15 |
| 2 | 24 | 15 |
| 3 | 24 | 15 |
| 4 | 24 | 16 |
| 5 | 24 | 16 |
| 6 | 24 | 16 |
| 7 | 24 | 16 |
| 8 | 24 | 16 |
| 9 | 25 | 16 |
| 10 | 25 | 17 |
| 11 | 25 | 17 |
| 12 | 25 | 17 |
| 13 | 25 | 17 |
| 14 | 25 | 17 |
| 15 | 25 | 18 |
| 16 | 25 | 18 |
| 17 | 25 | 18 |
| 18 | 25 | 18 |
| 19 | 25 | 18 |
| 20 | 25 | 18 |
| 21 | 25 | 19 |
| 22 | 25 | 19 |
| 23 | 25 | 19 |
| 24 | 25 | 19 |
| 25 | 26 | 19 |
| 26 | 26 | 19 |
| 27 | 26 | 20 |
| 28 | 26 | 20 |
| 29 | 26 | 20 |
| 30 | 26 | 20 |
How June really feels in Aso
Once humidity and wind are folded in, June 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.
June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Aso weather by month
How June compares with the rest of the year at a glance. June is the 4th-warmest and 1st-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° / -1° | 69 | 8.8 | 2.8 | 10.1 | 1.2 |
| Feb | 9° / 0° | 92 | 9.4 | 2.1 | 10.8 | 1.9 |
| Mar | 13° / 3° | 140 | 12.8 | 0.9 | 11.7 | 3.6 |
| Apr | 18° / 8° | 158 | 11.7 | 0.1 | 12.8 | 5.5 |
| May | 23° / 13° | 181 | 12.4 | 0 | 13.7 | 6.3 |
| Jun | 25° / 18° | 413 | 18 | 0 | 14.1 | 5.2 |
| Jul | 28° / 21° | 319 | 18.8 | 0 | 14 | 4.4 |
| Aug | 30° / 22° | 164 | 16.3 | 0 | 13.2 | 4.4 |
| Sep | 27° / 18° | 165 | 12.9 | 0 | 12.2 | 6.0 |
| Oct | 22° / 12° | 102 | 7.7 | 0 | 11.2 | 7.1 |
| Nov | 16° / 6° | 81 | 8.1 | 0 | 10.3 | 5.3 |
| Dec | 10° / 1° | 69 | 8.6 | 1.3 | 9.9 | 2.4 |
Cloud cover in June
The sky is clear or mostly clear about 9% of the time in June, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to cloud over as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 29 | 27 | 27 | 26 | 26 | 24 | 23 | 22 | 21 | 20 | 20 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 13 | 14 | 14 |
| Cloudier (%) | 71 | 73 | 73 | 74 | 74 | 76 | 77 | 78 | 79 | 80 | 80 | 82 | 82 | 82 | 83 | 84 | 84 | 85 | 85 | 86 | 87 | 88 | 88 | 88 | 88 | 87 | 88 | 87 | 86 | 86 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 29 | 71 |
| 2 | 27 | 73 |
| 3 | 27 | 73 |
| 4 | 26 | 74 |
| 5 | 26 | 74 |
| 6 | 24 | 76 |
| 7 | 23 | 77 |
| 8 | 22 | 78 |
| 9 | 21 | 79 |
| 10 | 20 | 80 |
| 11 | 20 | 80 |
| 12 | 18 | 82 |
| 13 | 18 | 82 |
| 14 | 18 | 82 |
| 15 | 17 | 83 |
| 16 | 16 | 84 |
| 17 | 16 | 84 |
| 18 | 15 | 85 |
| 19 | 15 | 85 |
| 20 | 14 | 86 |
| 21 | 13 | 87 |
| 22 | 12 | 88 |
| 23 | 12 | 88 |
| 24 | 12 | 88 |
| 25 | 12 | 88 |
| 26 | 13 | 87 |
| 27 | 12 | 88 |
| 28 | 13 | 87 |
| 29 | 14 | 86 |
| 30 | 14 | 86 |
Chance of precipitation in June
Aso gets around 413 mm of rain over 18 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 60% and peaks near 74% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 49 | 50 | 51 | 53 | 55 | 56 | 58 | 60 | 61 | 63 | 65 | 66 | 67 | 69 | 70 | 71 | 72 | 73 | 74 | 74 | 74 | 74 | 74 |
| Rain chance (%) | |
|---|---|
| 1 | 41 |
| 2 | 42 |
| 3 | 43 |
| 4 | 44 |
| 5 | 45 |
| 6 | 46 |
| 7 | 47 |
| 8 | 49 |
| 9 | 50 |
| 10 | 51 |
| 11 | 53 |
| 12 | 55 |
| 13 | 56 |
| 14 | 58 |
| 15 | 60 |
| 16 | 61 |
| 17 | 63 |
| 18 | 65 |
| 19 | 66 |
| 20 | 67 |
| 21 | 69 |
| 22 | 70 |
| 23 | 71 |
| 24 | 72 |
| 25 | 73 |
| 26 | 74 |
| 27 | 74 |
| 28 | 74 |
| 29 | 74 |
| 30 | 74 |
Humidity in June
Most of June feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the humid band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 39% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 35 | 32 | 30 | 28 | 25 | 23 | 21 | 19 | 17 | 16 | 14 | 12 | 11 | 10 | 8 | 7 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
| Comfortable (%) | 35 | 35 | 35 | 35 | 34 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 26 | 25 | 23 | 21 | 20 | 19 | 17 | 16 | 14 | 13 | 11 | 10 | 9 | 7 | 6 | 5 | 4 | 4 |
| Humid (%) | 22 | 23 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 23 | 22 | 20 | 19 |
| Muggy (%) | 8 | 9 | 10 | 11 | 12 | 13 | 15 | 16 | 18 | 20 | 22 | 23 | 25 | 27 | 29 | 31 | 32 | 34 | 35 | 36 | 38 | 39 | 40 | 40 | 41 | 42 | 42 | 42 | 43 | 43 |
| Oppressive (%) | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 14 | 16 | 18 | 21 | 23 | 25 | 28 | 30 | 32 | 34 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 35 | 35 | 22 | 8 | 0 |
| 2 | 32 | 35 | 23 | 9 | 0 |
| 3 | 30 | 35 | 25 | 10 | 0 |
| 4 | 28 | 35 | 26 | 11 | 1 |
| 5 | 25 | 34 | 27 | 12 | 1 |
| 6 | 23 | 34 | 28 | 13 | 1 |
| 7 | 21 | 33 | 29 | 15 | 2 |
| 8 | 19 | 32 | 30 | 16 | 2 |
| 9 | 17 | 31 | 31 | 18 | 2 |
| 10 | 16 | 30 | 32 | 20 | 3 |
| 11 | 14 | 29 | 33 | 22 | 3 |
| 12 | 12 | 28 | 33 | 23 | 3 |
| 13 | 11 | 26 | 34 | 25 | 4 |
| 14 | 10 | 25 | 34 | 27 | 5 |
| 15 | 8 | 23 | 34 | 29 | 6 |
| 16 | 7 | 21 | 34 | 31 | 7 |
| 17 | 7 | 20 | 33 | 32 | 8 |
| 18 | 6 | 19 | 33 | 34 | 9 |
| 19 | 5 | 17 | 32 | 35 | 11 |
| 20 | 4 | 16 | 31 | 36 | 12 |
| 21 | 3 | 14 | 30 | 38 | 14 |
| 22 | 3 | 13 | 29 | 39 | 16 |
| 23 | 2 | 11 | 28 | 40 | 18 |
| 24 | 2 | 10 | 27 | 40 | 21 |
| 25 | 1 | 9 | 26 | 41 | 23 |
| 26 | 1 | 7 | 25 | 42 | 25 |
| 27 | 1 | 6 | 23 | 42 | 28 |
| 28 | 0 | 5 | 22 | 42 | 30 |
| 29 | 0 | 4 | 20 | 43 | 32 |
| 30 | 0 | 4 | 19 | 43 | 34 |
Wind in June
Winds average 7 km/h in June.
Across June, daily wind ranges from about 6 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
Sunrise & sunset in June
Daylight runs from about 14 hours at the start of June to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 5:13 AM to 5:14 AM, and sunset from 7:13 PM to 7:23 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 |
| Sunrise (AM) | 5:13 | 5:13 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:11 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:13 | 5:13 | 5:13 | 5:14 | 5:14 | 5:14 |
| Sunset (PM) | 7:13 | 7:14 | 7:15 | 7:15 | 7:16 | 7:16 | 7:17 | 7:17 | 7:18 | 7:18 | 7:19 | 7:19 | 7:20 | 7:20 | 7:20 | 7:21 | 7:21 | 7:21 | 7:22 | 7:22 | 7:22 | 7:22 | 7:23 | 7:23 | 7:23 | 7:23 | 7:23 | 7:23 | 7:23 | 7:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:13 | 7:13 |
| 2 | 14.0 | 5:13 | 7:14 |
| 3 | 14.0 | 5:12 | 7:15 |
| 4 | 14.1 | 5:12 | 7:15 |
| 5 | 14.1 | 5:12 | 7:16 |
| 6 | 14.1 | 5:12 | 7:16 |
| 7 | 14.1 | 5:12 | 7:17 |
| 8 | 14.1 | 5:11 | 7:17 |
| 9 | 14.1 | 5:11 | 7:18 |
| 10 | 14.1 | 5:11 | 7:18 |
| 11 | 14.1 | 5:11 | 7:19 |
| 12 | 14.1 | 5:11 | 7:19 |
| 13 | 14.1 | 5:11 | 7:20 |
| 14 | 14.1 | 5:11 | 7:20 |
| 15 | 14.2 | 5:11 | 7:20 |
| 16 | 14.2 | 5:11 | 7:21 |
| 17 | 14.2 | 5:11 | 7:21 |
| 18 | 14.2 | 5:11 | 7:21 |
| 19 | 14.2 | 5:11 | 7:22 |
| 20 | 14.2 | 5:12 | 7:22 |
| 21 | 14.2 | 5:12 | 7:22 |
| 22 | 14.2 | 5:12 | 7:22 |
| 23 | 14.2 | 5:12 | 7:23 |
| 24 | 14.2 | 5:12 | 7:23 |
| 25 | 14.2 | 5:13 | 7:23 |
| 26 | 14.2 | 5:13 | 7:23 |
| 27 | 14.2 | 5:13 | 7:23 |
| 28 | 14.2 | 5:14 | 7:23 |
| 29 | 14.2 | 5:14 | 7:23 |
| 30 | 14.2 | 5:14 | 7:23 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 4.21 kWh/m².
For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.19 kWh/m² in May across the year — June's 4.21 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.8 | 3.9 | 3.9 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.5 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 3.9 | Moderate |
| 24 | 3.9 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.8 | Moderate |
| 29 | 3.9 | Moderate |
| 30 | 3.9 | Moderate |
Hazard calendar for Aso
In June, Aso sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Aso sits in the Pacific typhoon belt; the season peaks July–October.
Aso's rainy season runs June–July, when most of the year's rain falls.
Is June a good time to visit Aso?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Aso for sightseeing.
What to pack for Aso in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Aso sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 18 days see rain.
Sea temperature near Aso in June
The nearest coast averages about 22°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 43 km away) is warmest in August at about 27°C and coldest in February near 13°C.
It's comfortable for a long swim from May 27 to Nov 13 — about 5.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 16 | 19 | 22 | 25 | 27 | 26 | 23 | 20 | 17 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Cool |
| Dec | 17 | Cool |
UV index in Aso in June
Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Aso peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 7 | 8 | 9 | 11 | 10 | 10 | 10 | 7 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Aso in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Aso is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (September, 14 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 | 30 | 24 | 22 | 19 | 14 | 15 | 14 | 14 | 15 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 30 | Moderate |
| Apr | 24 | Moderate |
| May | 22 | Moderate |
| Jun | 19 | Moderate |
| Jul | 14 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 14 | Moderate |
| Nov | 15 | Moderate |
| Dec | 14 | Moderate |
Where is Aso?
Aso sits at 32.9°N, 131.1°E, 520 m above sea level, in Japan. The nearest listed city is Ōzu, 20 km away.
Topography around Aso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aso.
Within 3 km, the terrain around Aso has significant variations in elevation — a maximum elevation change of 428 m around an average of 568 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,443 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,757 m.
The land around Aso is covered by cropland (53%) and trees (29%) within 3 km, trees (65%) and cropland (20%) within 16 km, and trees (71%) 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 Aso (32.9373°, 131.0801°, elevation 520 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).