Sakai weather in August
In August, Sakai sees average daytime highs of 31°C and overnight lows near 24°C, with 118 mm of rain across 12.3 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 13 h 54 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Sakai's 8th-clearest and 10th-windiest month. For the whole year in context, see Sakai's year-round climate.
- Daytime high
- 31°
- 1st warmest
- Overnight low
- 24°
- 12th coldest
- Rainfall
- 118 mm
- 12.3 wet days
- Daylight
- 13 h 24 min
- 5:03 AM – 6:26 PM
- Cloud cover
- 67%
- 8th clearest
- Wind
- 9 km/h
- 10th windiest
- Solar energy
- 4.55 kWh/m²
- Travel score
- 4.0
- out of 10
Sakai is town in Sashima district, Ibaraki prefecture, Japan.
- Density
- 519/km²
- people per km²
- Founded
- 1889
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 31°C through the month.
A typical August day in Sakai reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°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) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 32 | 24 |
| 2 | 32 | 24 |
| 3 | 32 | 25 |
| 4 | 32 | 25 |
| 5 | 32 | 25 |
| 6 | 32 | 25 |
| 7 | 32 | 25 |
| 8 | 32 | 25 |
| 9 | 32 | 25 |
| 10 | 32 | 25 |
| 11 | 32 | 25 |
| 12 | 32 | 25 |
| 13 | 32 | 25 |
| 14 | 32 | 25 |
| 15 | 32 | 24 |
| 16 | 31 | 24 |
| 17 | 31 | 24 |
| 18 | 31 | 24 |
| 19 | 31 | 24 |
| 20 | 31 | 24 |
| 21 | 31 | 24 |
| 22 | 31 | 24 |
| 23 | 31 | 24 |
| 24 | 31 | 24 |
| 25 | 31 | 24 |
| 26 | 31 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 30 | 23 |
| 30 | 30 | 23 |
| 31 | 30 | 23 |
How August really feels in Sakai
Once humidity and wind are folded in, August averages 31 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.
Sakai weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 0° | 57 | 6.1 | 1.5 | 9.8 | 2.2 |
| Feb | 10° / 1° | 54 | 6.8 | 1.6 | 10.6 | 2.5 |
| Mar | 14° / 4° | 99 | 10.8 | 0.8 | 11.7 | 3.9 |
| Apr | 19° / 9° | 105 | 11.1 | 0.1 | 12.9 | 5.8 |
| May | 23° / 15° | 128 | 12.2 | 0 | 13.9 | 6.4 |
| Jun | 26° / 19° | 152 | 14.1 | 0 | 14.4 | 5.6 |
| Jul | 30° / 23° | 159 | 14.7 | 0 | 14.2 | 4.4 |
| Aug | 31° / 24° | 118 | 12.3 | 0 | 13.4 | 4.0 |
| Sep | 27° / 21° | 172 | 13.7 | 0 | 12.2 | 5.5 |
| Oct | 22° / 14° | 190 | 12.6 | 0 | 11.1 | 6.2 |
| Nov | 16° / 8° | 81 | 9.2 | 0 | 10.1 | 5.4 |
| Dec | 12° / 3° | 52 | 6.5 | 0.2 | 9.6 | 3.4 |
Cloud cover in August
The sky is clear or mostly clear about 21% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 63%.
| 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 (%) | 37 | 38 | 38 | 39 | 38 | 38 | 38 | 39 | 37 | 37 | 37 | 36 | 36 | 36 | 37 | 36 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 36 | 36 | 37 | 37 | 37 |
| Cloudier (%) | 63 | 62 | 62 | 61 | 62 | 62 | 62 | 61 | 63 | 63 | 63 | 64 | 64 | 64 | 63 | 64 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 64 | 64 | 63 | 63 | 63 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 37 | 63 |
| 2 | 38 | 62 |
| 3 | 38 | 62 |
| 4 | 39 | 61 |
| 5 | 38 | 62 |
| 6 | 38 | 62 |
| 7 | 38 | 62 |
| 8 | 39 | 61 |
| 9 | 37 | 63 |
| 10 | 37 | 63 |
| 11 | 37 | 63 |
| 12 | 36 | 64 |
| 13 | 36 | 64 |
| 14 | 36 | 64 |
| 15 | 37 | 63 |
| 16 | 36 | 64 |
| 17 | 35 | 65 |
| 18 | 35 | 65 |
| 19 | 35 | 65 |
| 20 | 36 | 64 |
| 21 | 36 | 64 |
| 22 | 36 | 64 |
| 23 | 36 | 64 |
| 24 | 36 | 64 |
| 25 | 36 | 64 |
| 26 | 37 | 63 |
| 27 | 36 | 64 |
| 28 | 36 | 64 |
| 29 | 37 | 63 |
| 30 | 37 | 63 |
| 31 | 37 | 63 |
Chance of precipitation in August
Sakai gets around 118 mm of rain over 12.3 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 40% and peaks near 43% 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 (%) | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 43 |
| Rain chance (%) | |
|---|---|
| 1 | 36 |
| 2 | 36 |
| 3 | 36 |
| 4 | 36 |
| 5 | 37 |
| 6 | 37 |
| 7 | 37 |
| 8 | 38 |
| 9 | 38 |
| 10 | 39 |
| 11 | 39 |
| 12 | 40 |
| 13 | 40 |
| 14 | 41 |
| 15 | 41 |
| 16 | 41 |
| 17 | 41 |
| 18 | 42 |
| 19 | 42 |
| 20 | 42 |
| 21 | 42 |
| 22 | 42 |
| 23 | 42 |
| 24 | 42 |
| 25 | 42 |
| 26 | 42 |
| 27 | 42 |
| 28 | 42 |
| 29 | 42 |
| 30 | 43 |
| 31 | 43 |
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 51% of days. Sticky, muggy-or-worse air turns up on roughly 93% 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 |
| Muggy (%) | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 19 | 20 | 21 | 22 | 23 | 25 | 26 | 27 | 28 | 30 |
| Oppressive (%) | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 54 | 53 | 52 | 52 | 52 | 51 | 51 | 51 | 52 | 52 | 51 | 51 | 51 | 49 | 48 |
| Miserable (%) | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 22 | 21 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 13 | 12 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 6 | 12 | 49 | 34 |
| 2 | 0 | 6 | 12 | 49 | 34 |
| 3 | 0 | 6 | 11 | 49 | 34 |
| 4 | 0 | 6 | 12 | 49 | 34 |
| 5 | 0 | 6 | 12 | 49 | 33 |
| 6 | 0 | 6 | 12 | 49 | 33 |
| 7 | 0 | 6 | 12 | 50 | 33 |
| 8 | 0 | 6 | 12 | 50 | 32 |
| 9 | 0 | 6 | 12 | 50 | 32 |
| 10 | 0 | 6 | 12 | 51 | 31 |
| 11 | 1 | 6 | 12 | 51 | 30 |
| 12 | 1 | 6 | 12 | 52 | 29 |
| 13 | 1 | 6 | 13 | 52 | 28 |
| 14 | 1 | 6 | 13 | 52 | 28 |
| 15 | 1 | 6 | 13 | 53 | 27 |
| 16 | 1 | 6 | 14 | 53 | 26 |
| 17 | 1 | 6 | 14 | 54 | 25 |
| 18 | 2 | 6 | 15 | 53 | 24 |
| 19 | 2 | 6 | 16 | 52 | 24 |
| 20 | 2 | 7 | 16 | 52 | 23 |
| 21 | 2 | 7 | 17 | 52 | 22 |
| 22 | 2 | 7 | 19 | 51 | 21 |
| 23 | 2 | 7 | 20 | 51 | 20 |
| 24 | 2 | 7 | 21 | 51 | 19 |
| 25 | 2 | 7 | 22 | 52 | 17 |
| 26 | 2 | 7 | 23 | 52 | 16 |
| 27 | 1 | 8 | 25 | 51 | 15 |
| 28 | 1 | 8 | 26 | 51 | 14 |
| 29 | 1 | 8 | 27 | 51 | 13 |
| 30 | 1 | 9 | 28 | 49 | 13 |
| 31 | 1 | 9 | 30 | 48 | 12 |
Wind in August
Winds average 9 km/h in August.
Across August, daily wind ranges from about 9 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | 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 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in August
Daylight runs from about 13 h 54 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 66 minutes over August. Sunrise moves from 4:51 AM to 5:16 AM, and sunset from 6:42 PM to 6:06 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) | 13.9 | 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 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.8 |
| Sunrise (AM) | 4:51 | 4:52 | 4:53 | 4:54 | 4:54 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:12 | 5:13 | 5:14 | 5:15 | 5:16 |
| Sunset (PM) | 6:42 | 6:42 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:26 | 6:25 | 6:24 | 6:23 | 6:21 | 6:20 | 6:19 | 6:17 | 6:16 | 6:15 | 6:13 | 6:12 | 6:10 | 6:09 | 6:08 | 6:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.9 | 4:51 | 6:42 |
| 2 | 13.8 | 4:52 | 6:42 |
| 3 | 13.8 | 4:53 | 6:41 |
| 4 | 13.8 | 4:54 | 6:40 |
| 5 | 13.7 | 4:54 | 6:39 |
| 6 | 13.7 | 4:55 | 6:38 |
| 7 | 13.7 | 4:56 | 6:37 |
| 8 | 13.6 | 4:57 | 6:36 |
| 9 | 13.6 | 4:58 | 6:34 |
| 10 | 13.6 | 4:59 | 6:33 |
| 11 | 13.5 | 4:59 | 6:32 |
| 12 | 13.5 | 5:00 | 6:31 |
| 13 | 13.5 | 5:01 | 6:30 |
| 14 | 13.4 | 5:02 | 6:29 |
| 15 | 13.4 | 5:03 | 6:28 |
| 16 | 13.4 | 5:03 | 6:26 |
| 17 | 13.3 | 5:04 | 6:25 |
| 18 | 13.3 | 5:05 | 6:24 |
| 19 | 13.3 | 5:06 | 6:23 |
| 20 | 13.2 | 5:07 | 6:21 |
| 21 | 13.2 | 5:08 | 6:20 |
| 22 | 13.2 | 5:08 | 6:19 |
| 23 | 13.1 | 5:09 | 6:17 |
| 24 | 13.1 | 5:10 | 6:16 |
| 25 | 13.1 | 5:11 | 6:15 |
| 26 | 13.0 | 5:12 | 6:13 |
| 27 | 13.0 | 5:12 | 6:12 |
| 28 | 13.0 | 5:13 | 6:10 |
| 29 | 12.9 | 5:14 | 6:09 |
| 30 | 12.9 | 5:15 | 6:08 |
| 31 | 12.8 | 5:16 | 6:06 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.55 kWh/m².
For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.04 kWh/m² in May across the year — August's 4.55 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) | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
| 31 | 4.1 | Bright |
Hazard calendar for Sakai
In August, Sakai sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sakai sits in the Pacific typhoon belt; the season peaks July–October.
Is August a good time to visit Sakai?
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 Sakai for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sakai in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Sakai sees daytime highs around 31°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.
Sea temperature near Sakai 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 53 km away) is warmest in August at about 26°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 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 | 13 | 15 | 18 | 21 | 23 | 26 | 25 | 22 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Sakai 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 Sakai peaks around July 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (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) | 2 | 4 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Sakai 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 Sakai is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 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) | 15 | 21 | 25 | 26 | 24 | 20 | 17 | 16 | 16 | 16 | 16 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 21 | Moderate |
| Mar | 25 | Moderate |
| Apr | 26 | Moderate |
| May | 24 | Moderate |
| Jun | 20 | Moderate |
| Jul | 17 | Moderate |
| Aug | 16 | Moderate |
| Sep | 16 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Sakai?
Sakai sits at 36.1°N, 139.8°E, 15 m above sea level, in Japan. The nearest listed city is Bandō, 7.0 km away.
Topography around Sakai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sakai.
Within 3 km, the terrain around Sakai has only modest variations in elevation — a maximum elevation change of 23 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 51 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,458 m.
The land around Sakai is covered by cropland (43%) and artificial surfaces (32%) within 3 km, cropland (44%) and artificial surfaces (35%) within 16 km, and trees (41%), artificial surfaces (28%) and cropland (21%) 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 Sakai (36.1°, 139.8°, elevation 15 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).