Sarubetsu weather in August
In August, Sarubetsu sees average daytime highs of 24°C and overnight lows near 17°C, with 159 mm of rain across 13.1 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 15% of the time in August, and the air most often feels humid.
Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Sarubetsu's 11th-clearest and 11th-windiest month. For the whole year in context, see Sarubetsu's year-round climate.
- Daytime high
- 24°
- 1st warmest
- Overnight low
- 17°
- 12th coldest
- Rainfall
- 159 mm
- 13.1 wet days
- Daylight
- 13 h 48 min
- 4:38 AM – 6:24 PM
- Cloud cover
- 75%
- 11th clearest
- Wind
- 6 km/h
- 11th windiest
- Solar energy
- 3.85 kWh/m²
- Travel score
- 6.2
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 24°C through the month.
A typical August day in Sarubetsu reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°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) | 24 | 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 | 23 | 23 |
| Avg low (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 17 |
| 2 | 24 | 17 |
| 3 | 24 | 17 |
| 4 | 24 | 17 |
| 5 | 24 | 17 |
| 6 | 24 | 17 |
| 7 | 24 | 17 |
| 8 | 24 | 17 |
| 9 | 24 | 17 |
| 10 | 24 | 17 |
| 11 | 24 | 17 |
| 12 | 24 | 17 |
| 13 | 24 | 17 |
| 14 | 24 | 17 |
| 15 | 24 | 17 |
| 16 | 24 | 17 |
| 17 | 24 | 17 |
| 18 | 24 | 17 |
| 19 | 23 | 17 |
| 20 | 23 | 17 |
| 21 | 23 | 16 |
| 22 | 23 | 16 |
| 23 | 23 | 16 |
| 24 | 23 | 16 |
| 25 | 23 | 16 |
| 26 | 23 | 16 |
| 27 | 23 | 16 |
| 28 | 23 | 16 |
| 29 | 23 | 16 |
| 30 | 23 | 16 |
| 31 | 23 | 15 |
How August really feels in Sarubetsu
Once humidity and wind are folded in, August 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.
August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sarubetsu weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -13° | 61 | 6.7 | 7.1 | 9.2 | 0.0 |
| Feb | -1° / -12° | 48 | 7.2 | 7.7 | 10.2 | 0.0 |
| Mar | 4° / -6° | 77 | 9.7 | 8.2 | 11.6 | 0.1 |
| Apr | 11° / 0° | 88 | 10.8 | 4.1 | 13.1 | 2.6 |
| May | 16° / 7° | 100 | 10.8 | 0.4 | 14.4 | 5.0 |
| Jun | 19° / 11° | 89 | 9.8 | 0 | 15.1 | 5.9 |
| Jul | 22° / 15° | 114 | 11.3 | 0 | 14.8 | 6.2 |
| Aug | 24° / 17° | 159 | 13.1 | 0 | 13.8 | 6.2 |
| Sep | 21° / 12° | 171 | 12.5 | 0 | 12.3 | 5.9 |
| Oct | 15° / 5° | 115 | 10.2 | 0.1 | 10.8 | 4.7 |
| Nov | 8° / -1° | 81 | 9.4 | 2.2 | 9.5 | 1.5 |
| Dec | 1° / -9° | 76 | 8 | 6.6 | 8.9 | 0.0 |
Cloud cover in August
The sky is clear or mostly clear about 15% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 72%.
| 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 (%) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 27 | 27 | 28 | 28 | 30 | 31 | 31 | 32 | 32 | 34 | 34 | 35 | 34 | 34 | 34 |
| Cloudier (%) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 75 | 75 | 76 | 76 | 75 | 75 | 75 | 73 | 73 | 72 | 72 | 70 | 69 | 69 | 68 | 68 | 66 | 66 | 65 | 66 | 66 | 66 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 25 | 75 |
| 2 | 25 | 75 |
| 3 | 25 | 75 |
| 4 | 25 | 75 |
| 5 | 25 | 75 |
| 6 | 25 | 75 |
| 7 | 25 | 75 |
| 8 | 25 | 75 |
| 9 | 24 | 76 |
| 10 | 25 | 75 |
| 11 | 25 | 75 |
| 12 | 24 | 76 |
| 13 | 24 | 76 |
| 14 | 25 | 75 |
| 15 | 25 | 75 |
| 16 | 25 | 75 |
| 17 | 27 | 73 |
| 18 | 27 | 73 |
| 19 | 28 | 72 |
| 20 | 28 | 72 |
| 21 | 30 | 70 |
| 22 | 31 | 69 |
| 23 | 31 | 69 |
| 24 | 32 | 68 |
| 25 | 32 | 68 |
| 26 | 34 | 66 |
| 27 | 34 | 66 |
| 28 | 35 | 65 |
| 29 | 34 | 66 |
| 30 | 34 | 66 |
| 31 | 34 | 66 |
Chance of precipitation in August
Sarubetsu gets around 159 mm of rain over 13.1 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 43% and peaks near 45% on the wettest days.
| 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 | 39 | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 45 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 39 |
| 3 | 39 |
| 4 | 40 |
| 5 | 40 |
| 6 | 41 |
| 7 | 41 |
| 8 | 42 |
| 9 | 42 |
| 10 | 43 |
| 11 | 43 |
| 12 | 44 |
| 13 | 44 |
| 14 | 44 |
| 15 | 45 |
| 16 | 45 |
| 17 | 45 |
| 18 | 44 |
| 19 | 44 |
| 20 | 44 |
| 21 | 43 |
| 22 | 43 |
| 23 | 43 |
| 24 | 43 |
| 25 | 43 |
| 26 | 43 |
| 27 | 43 |
| 28 | 43 |
| 29 | 43 |
| 30 | 43 |
| 31 | 43 |
Humidity in August
Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the humid band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 34% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 15 |
| Comfortable (%) | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 32 |
| Humid (%) | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 31 | 32 | 32 | 33 | 34 | 34 | 35 | 36 | 36 | 36 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 |
| Muggy (%) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 27 | 27 | 26 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 18 |
| Oppressive (%) | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 9 | 19 | 28 | 33 | 11 |
| 2 | 9 | 19 | 28 | 33 | 11 |
| 3 | 9 | 18 | 28 | 33 | 11 |
| 4 | 9 | 18 | 28 | 33 | 12 |
| 5 | 9 | 18 | 28 | 33 | 12 |
| 6 | 9 | 18 | 29 | 33 | 11 |
| 7 | 9 | 18 | 29 | 33 | 11 |
| 8 | 9 | 18 | 30 | 32 | 11 |
| 9 | 9 | 18 | 31 | 32 | 10 |
| 10 | 9 | 18 | 32 | 31 | 10 |
| 11 | 9 | 19 | 32 | 31 | 9 |
| 12 | 8 | 19 | 33 | 30 | 9 |
| 13 | 8 | 20 | 34 | 30 | 8 |
| 14 | 8 | 20 | 34 | 29 | 8 |
| 15 | 8 | 21 | 35 | 29 | 7 |
| 16 | 8 | 21 | 36 | 28 | 7 |
| 17 | 8 | 22 | 36 | 27 | 6 |
| 18 | 8 | 23 | 36 | 27 | 6 |
| 19 | 8 | 24 | 37 | 26 | 5 |
| 20 | 9 | 25 | 37 | 25 | 5 |
| 21 | 9 | 26 | 36 | 25 | 5 |
| 22 | 9 | 26 | 36 | 24 | 4 |
| 23 | 10 | 27 | 36 | 23 | 4 |
| 24 | 10 | 28 | 35 | 23 | 4 |
| 25 | 10 | 29 | 35 | 22 | 3 |
| 26 | 11 | 29 | 35 | 22 | 3 |
| 27 | 11 | 30 | 34 | 21 | 3 |
| 28 | 12 | 30 | 34 | 21 | 3 |
| 29 | 13 | 31 | 34 | 20 | 2 |
| 30 | 14 | 31 | 33 | 19 | 2 |
| 31 | 15 | 32 | 33 | 18 | 2 |
Wind in August
Winds average 6 km/h in August.
Across August, daily wind ranges from about 6 km/h on the calmest days to 6 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in August
Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 78 minutes over August. Sunrise moves from 4:21 AM to 4:55 AM, and sunset from 6:44 PM to 5:59 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) | 14.4 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 |
| Sunrise (AM) | 4:21 | 4:23 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:30 | 4:31 | 4:32 | 4:33 | 4:34 | 4:36 | 4:37 | 4:38 | 4:39 | 4:40 | 4:41 | 4:42 | 4:43 | 4:44 | 4:46 | 4:47 | 4:48 | 4:49 | 4:50 | 4:51 | 4:52 | 4:53 | 4:55 |
| Sunset (PM) | 6:44 | 6:43 | 6:42 | 6:40 | 6:39 | 6:38 | 6:37 | 6:35 | 6:34 | 6:32 | 6:31 | 6:30 | 6:28 | 6:27 | 6:25 | 6:24 | 6:22 | 6:21 | 6:19 | 6:17 | 6:16 | 6:14 | 6:13 | 6:11 | 6:09 | 6:08 | 6:06 | 6:04 | 6:02 | 6:01 | 5:59 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.4 | 4:21 | 6:44 |
| 2 | 14.3 | 4:23 | 6:43 |
| 3 | 14.3 | 4:24 | 6:42 |
| 4 | 14.3 | 4:25 | 6:40 |
| 5 | 14.2 | 4:26 | 6:39 |
| 6 | 14.2 | 4:27 | 6:38 |
| 7 | 14.1 | 4:28 | 6:37 |
| 8 | 14.1 | 4:29 | 6:35 |
| 9 | 14.1 | 4:30 | 6:34 |
| 10 | 14.0 | 4:31 | 6:32 |
| 11 | 14.0 | 4:32 | 6:31 |
| 12 | 13.9 | 4:33 | 6:30 |
| 13 | 13.9 | 4:34 | 6:28 |
| 14 | 13.9 | 4:36 | 6:27 |
| 15 | 13.8 | 4:37 | 6:25 |
| 16 | 13.8 | 4:38 | 6:24 |
| 17 | 13.7 | 4:39 | 6:22 |
| 18 | 13.7 | 4:40 | 6:21 |
| 19 | 13.6 | 4:41 | 6:19 |
| 20 | 13.6 | 4:42 | 6:17 |
| 21 | 13.5 | 4:43 | 6:16 |
| 22 | 13.5 | 4:44 | 6:14 |
| 23 | 13.4 | 4:46 | 6:13 |
| 24 | 13.4 | 4:47 | 6:11 |
| 25 | 13.4 | 4:48 | 6:09 |
| 26 | 13.3 | 4:49 | 6:08 |
| 27 | 13.3 | 4:50 | 6:06 |
| 28 | 13.2 | 4:51 | 6:04 |
| 29 | 13.2 | 4:52 | 6:02 |
| 30 | 13.1 | 4:53 | 6:01 |
| 31 | 13.1 | 4:55 | 5:59 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 3.85 kWh/m².
For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 5.16 kWh/m² in May across the year — August's 3.85 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.2 | Bright |
| 2 | 4.2 | Bright |
| 3 | 4.1 | Bright |
| 4 | 4.1 | Bright |
| 5 | 4.1 | Bright |
| 6 | 4.1 | Bright |
| 7 | 4.0 | Bright |
| 8 | 4.0 | Moderate |
| 9 | 4.0 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 3.8 | Moderate |
| 14 | 3.8 | Moderate |
| 15 | 3.8 | Moderate |
| 16 | 3.8 | Moderate |
| 17 | 3.7 | Moderate |
| 18 | 3.7 | Moderate |
| 19 | 3.7 | Moderate |
| 20 | 3.7 | Moderate |
| 21 | 3.7 | Moderate |
| 22 | 3.7 | Moderate |
| 23 | 3.7 | Moderate |
| 24 | 3.7 | Moderate |
| 25 | 3.7 | Moderate |
| 26 | 3.7 | Moderate |
| 27 | 3.7 | Moderate |
| 28 | 3.7 | Moderate |
| 29 | 3.7 | Moderate |
| 30 | 3.6 | Moderate |
| 31 | 3.6 | Moderate |
Hazard calendar for Sarubetsu
In August, Sarubetsu sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sarubetsu sits in the Pacific typhoon belt; the season peaks July–October.
Is August a good time to visit Sarubetsu?
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 Sarubetsu for sightseeing.
What to pack for Sarubetsu in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Sarubetsu sees daytime highs around 24°C and nights near 17°C. Worth packing: light clothes and rain gear. About 13 days see rain.
Sea temperature near Sarubetsu in August
The nearest coast averages about 18°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 36 km away) is warmest in August at about 18°C and coldest in February near 1°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 1 | 1 | 3 | 6 | 11 | 15 | 18 | 17 | 14 | 10 | 7 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 1 | Bracing |
| Mar | 1 | Bracing |
| Apr | 3 | Bracing |
| May | 6 | Bracing |
| Jun | 11 | Bracing |
| Jul | 15 | Cool |
| Aug | 18 | Cool |
| Sep | 17 | Cool |
| Oct | 14 | Bracing |
| Nov | 10 | Bracing |
| Dec | 7 | Bracing |
UV index in Sarubetsu 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 Sarubetsu peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 7 | 5 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Moderate | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | Very high |
| Jun | 7 | Very high |
| Jul | 5 | Moderate |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Sarubetsu 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 Sarubetsu is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 6 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) | 7 | 10 | 14 | 15 | 13 | 9 | 9 | 8 | 7 | 8 | 7 | 6 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 13 | Moderate |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 8 | Good |
| Sep | 7 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Sarubetsu?
Sarubetsu sits at 42.9°N, 143.3°E, 25 m above sea level, in Japan. The nearest listed city is Obihiro, 12 km away.
Topography around Sarubetsu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sarubetsu.
Within 3 km, the terrain around Sarubetsu has only modest variations in elevation — a maximum elevation change of 155 m around an average of 86 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 333 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.
The land around Sarubetsu is covered by cropland (52%) and trees (40%) within 3 km, trees (43%) and cropland (42%) within 16 km, and trees (65%) 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 Sarubetsu (42.8724°, 143.3376°, elevation 25 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).