Shirone weather in August
In August, Shirone sees average daytime highs of 30°C and overnight lows near 23°C, with 150 mm of rain across 13.7 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Shirone's 1st-clearest and 12th-windiest month. For the whole year in context, see Shirone's year-round climate.
- Daytime high
- 30°
- 1st warmest
- Overnight low
- 23°
- 12th coldest
- Rainfall
- 150 mm
- 13.7 wet days
- Daylight
- 13 h 30 min
- 5:04 AM – 6:32 PM
- Cloud cover
- 60%
- 1st clearest
- Wind
- 8 km/h
- 12th windiest
- Solar energy
- 5.11 kWh/m²
- Travel score
- 4.6
- out of 10
Shirone is human settlement in Japan.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 30°C through the month.
A typical August day in Shirone reaches about 30°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, August runs about 2°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) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 24 |
| 2 | 30 | 24 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 30 | 24 |
| 18 | 30 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 22 |
| 30 | 29 | 22 |
| 31 | 29 | 22 |
How August really feels in Shirone
Once humidity and wind are folded in, August averages 25 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.
Shirone weather by month
How August compares with the rest of the year at a glance. August is the 1st-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 | 6° / 1° | 171 | 24.7 | 16.4 | 9.7 | 0.2 |
| Feb | 6° / 1° | 117 | 20 | 13.1 | 10.5 | 0.4 |
| Mar | 10° / 3° | 122 | 19.3 | 6.3 | 11.7 | 1.8 |
| Apr | 16° / 7° | 92 | 13.8 | 0.6 | 12.9 | 4.4 |
| May | 21° / 13° | 96 | 12 | 0 | 14 | 6.2 |
| Jun | 25° / 18° | 117 | 12.1 | 0 | 14.6 | 6.3 |
| Jul | 28° / 22° | 214 | 15.8 | 0 | 14.3 | 5.0 |
| Aug | 30° / 23° | 150 | 13.7 | 0 | 13.5 | 4.6 |
| Sep | 26° / 20° | 140 | 14.3 | 0 | 12.3 | 5.8 |
| Oct | 20° / 13° | 146 | 14.6 | 0 | 11 | 5.7 |
| Nov | 14° / 8° | 156 | 18.6 | 0.4 | 10 | 3.4 |
| Dec | 9° / 3° | 182 | 23.3 | 8.9 | 9.4 | 1.1 |
Cloud cover in August
The sky is clear or mostly clear about 30% of the time in August, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 53%.
| 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 (%) | 44 | 46 | 46 | 45 | 46 | 46 | 47 | 47 | 47 | 47 | 48 | 47 | 47 | 48 | 48 | 47 | 48 | 48 | 48 | 49 | 48 | 48 | 48 | 48 | 47 | 48 | 47 | 47 | 46 | 46 | 46 |
| Cloudier (%) | 56 | 54 | 54 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 52 | 53 | 53 | 52 | 52 | 53 | 52 | 52 | 52 | 51 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 53 | 54 | 54 | 54 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 46 | 54 |
| 3 | 46 | 54 |
| 4 | 45 | 55 |
| 5 | 46 | 54 |
| 6 | 46 | 54 |
| 7 | 47 | 53 |
| 8 | 47 | 53 |
| 9 | 47 | 53 |
| 10 | 47 | 53 |
| 11 | 48 | 52 |
| 12 | 47 | 53 |
| 13 | 47 | 53 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 47 | 53 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 49 | 51 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 47 | 53 |
| 26 | 48 | 52 |
| 27 | 47 | 53 |
| 28 | 47 | 53 |
| 29 | 46 | 54 |
| 30 | 46 | 54 |
| 31 | 46 | 54 |
Chance of precipitation in August
Shirone gets around 150 mm of rain over 13.7 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 44% and peaks near 49% 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 (%) | 38 | 37 | 38 | 38 | 38 | 39 | 39 | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 45 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 49 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 37 |
| 3 | 38 |
| 4 | 38 |
| 5 | 38 |
| 6 | 39 |
| 7 | 39 |
| 8 | 40 |
| 9 | 41 |
| 10 | 41 |
| 11 | 42 |
| 12 | 43 |
| 13 | 44 |
| 14 | 44 |
| 15 | 45 |
| 16 | 45 |
| 17 | 46 |
| 18 | 46 |
| 19 | 47 |
| 20 | 47 |
| 21 | 47 |
| 22 | 47 |
| 23 | 47 |
| 24 | 48 |
| 25 | 48 |
| 26 | 48 |
| 27 | 48 |
| 28 | 48 |
| 29 | 49 |
| 30 | 49 |
| 31 | 49 |
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 54% of days. Sticky, muggy-or-worse air turns up on roughly 95% 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 11 |
| Muggy (%) | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 24 | 26 | 27 | 29 | 30 | 32 | 33 | 35 | 36 | 37 |
| Oppressive (%) | 62 | 62 | 60 | 59 | 59 | 59 | 58 | 57 | 56 | 55 | 55 | 56 | 55 | 54 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 51 | 51 | 50 | 50 | 49 | 48 | 47 | 46 | 45 |
| Miserable (%) | 22 | 23 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 15 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 6 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 2 | 14 | 62 | 22 |
| 2 | 0 | 2 | 13 | 62 | 23 |
| 3 | 0 | 2 | 14 | 60 | 24 |
| 4 | 0 | 2 | 14 | 59 | 25 |
| 5 | 0 | 2 | 14 | 59 | 25 |
| 6 | 0 | 2 | 14 | 59 | 25 |
| 7 | 0 | 2 | 14 | 58 | 26 |
| 8 | 0 | 2 | 15 | 57 | 26 |
| 9 | 0 | 3 | 15 | 56 | 26 |
| 10 | 0 | 3 | 16 | 55 | 26 |
| 11 | 0 | 3 | 16 | 55 | 26 |
| 12 | 0 | 3 | 16 | 56 | 25 |
| 13 | 0 | 3 | 17 | 55 | 25 |
| 14 | 0 | 4 | 17 | 54 | 25 |
| 15 | 1 | 4 | 18 | 53 | 24 |
| 16 | 1 | 4 | 19 | 53 | 23 |
| 17 | 1 | 5 | 19 | 53 | 22 |
| 18 | 1 | 5 | 20 | 53 | 21 |
| 19 | 1 | 5 | 21 | 53 | 20 |
| 20 | 1 | 6 | 22 | 52 | 19 |
| 21 | 1 | 6 | 23 | 52 | 18 |
| 22 | 1 | 6 | 24 | 52 | 17 |
| 23 | 1 | 7 | 26 | 51 | 15 |
| 24 | 1 | 7 | 27 | 51 | 14 |
| 25 | 1 | 7 | 29 | 50 | 13 |
| 26 | 1 | 8 | 30 | 50 | 11 |
| 27 | 1 | 8 | 32 | 49 | 10 |
| 28 | 1 | 9 | 33 | 48 | 9 |
| 29 | 1 | 10 | 35 | 47 | 8 |
| 30 | 1 | 10 | 36 | 46 | 7 |
| 31 | 1 | 11 | 37 | 45 | 6 |
Wind in August
Winds average 8 km/h in August, the calmest month.
Across August, daily wind ranges from about 7 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) | 7 | 7 | 7 | 7 | 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | 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 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over August. Sunrise moves from 4:51 AM to 5:17 AM, and sunset from 6:49 PM to 6:11 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) | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 12.9 | 12.9 |
| Sunrise (AM) | 4:51 | 4:52 | 4:53 | 4:53 | 4:54 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 | 5:14 | 5:15 | 5:15 | 5:16 | 5:17 |
| Sunset (PM) | 6:49 | 6:48 | 6:47 | 6:46 | 6:45 | 6:44 | 6:43 | 6:42 | 6:41 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:33 | 6:32 | 6:31 | 6:29 | 6:28 | 6:27 | 6:25 | 6:24 | 6:23 | 6:21 | 6:20 | 6:18 | 6:17 | 6:15 | 6:14 | 6:12 | 6:11 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 4:51 | 6:49 |
| 2 | 13.9 | 4:52 | 6:48 |
| 3 | 13.9 | 4:53 | 6:47 |
| 4 | 13.9 | 4:53 | 6:46 |
| 5 | 13.8 | 4:54 | 6:45 |
| 6 | 13.8 | 4:55 | 6:44 |
| 7 | 13.8 | 4:56 | 6:43 |
| 8 | 13.7 | 4:57 | 6:42 |
| 9 | 13.7 | 4:58 | 6:41 |
| 10 | 13.7 | 4:59 | 6:39 |
| 11 | 13.6 | 5:00 | 6:38 |
| 12 | 13.6 | 5:00 | 6:37 |
| 13 | 13.6 | 5:01 | 6:36 |
| 14 | 13.5 | 5:02 | 6:35 |
| 15 | 13.5 | 5:03 | 6:33 |
| 16 | 13.5 | 5:04 | 6:32 |
| 17 | 13.4 | 5:05 | 6:31 |
| 18 | 13.4 | 5:06 | 6:29 |
| 19 | 13.4 | 5:07 | 6:28 |
| 20 | 13.3 | 5:07 | 6:27 |
| 21 | 13.3 | 5:08 | 6:25 |
| 22 | 13.2 | 5:09 | 6:24 |
| 23 | 13.2 | 5:10 | 6:23 |
| 24 | 13.2 | 5:11 | 6:21 |
| 25 | 13.1 | 5:12 | 6:20 |
| 26 | 13.1 | 5:13 | 6:18 |
| 27 | 13.1 | 5:14 | 6:17 |
| 28 | 13.0 | 5:15 | 6:15 |
| 29 | 13.0 | 5:15 | 6:14 |
| 30 | 12.9 | 5:16 | 6:12 |
| 31 | 12.9 | 5:17 | 6:11 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.11 kWh/m².
For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.6 kWh/m² in May across the year — August's 5.11 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) | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 |
| 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 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.3 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.1 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.9 | Bright |
| 23 | 4.9 | Bright |
| 24 | 4.8 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.7 | Bright |
| 28 | 4.7 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.6 | Bright |
Hazard calendar for Shirone
In August, Shirone sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Shirone sits in the Pacific typhoon belt; the season peaks July–October.
Is August a good time to visit Shirone?
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 Shirone for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Shirone in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Shirone sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.
Sea temperature near Shirone in August
The nearest coast averages about 26°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in August at about 26°C and coldest in March near 10°C.
It's comfortable for a long swim from Jun 22 to Oct 30 — about 4.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 10 | 11 | 15 | 19 | 23 | 26 | 25 | 22 | 18 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 11 | Bracing |
| May | 15 | Bracing |
| Jun | 19 | Cool |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 18 | Cool |
| Dec | 15 | Cool |
UV index in Shirone in August
Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Shirone peaks around August 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Shirone 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 Shirone is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 10 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) | 12 | 15 | 22 | 23 | 22 | 19 | 17 | 14 | 12 | 12 | 11 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 15 | Moderate |
| Mar | 22 | Moderate |
| Apr | 23 | Moderate |
| May | 22 | Moderate |
| Jun | 19 | Moderate |
| Jul | 17 | Moderate |
| Aug | 14 | Moderate |
| Sep | 12 | Moderate |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Shirone?
Shirone sits at 37.8°N, 139.0°E, -1 m above sea level, in Japan. The nearest listed city is Niitsu-honchō, 10 km away.
Topography around Shirone
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shirone.
Within 3 km, the terrain around Shirone has only modest variations in elevation — a maximum elevation change of 12 m around an average of 1 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 451 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,075 m.
The land around Shirone is covered by cropland (70%) and artificial surfaces (22%) within 3 km, cropland (51%) and artificial surfaces (23%) within 16 km, and trees (49%) and water (39%) 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 Shirone (37.7635°, 139.022°, elevation -1 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).