Yoichi weather in July
In July, Yoichi sees average daytime highs of 22°C and overnight lows near 17°C, with 113 mm of rain across 11.6 wet days and about 14.9 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 19% of the time in July, and the air most often feels humid.
Daylight stretches from about 15 h 12 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Yoichi's 9th-clearest and 12th-windiest month. For the whole year in context, see Yoichi's year-round climate.
- Daytime high
- 22°
- 2nd warmest
- Overnight low
- 17°
- 11th coldest
- Rainfall
- 113 mm
- 11.6 wet days
- Daylight
- 14 h 54 min
- 4:15 AM – 7:10 PM
- Cloud cover
- 70%
- 9th clearest
- Wind
- 9 km/h
- 12th windiest
- Solar energy
- 5.21 kWh/m²
- Travel score
- 6.2
- out of 10
Yoichi is town in Yoichi district, Hokkaidō, Japan.
- Density
- 135/km²
- people per km²
- Founded
- 1900
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 20°C in the first days to 23°C by the end.
A typical July day in Yoichi reaches about 22°C in the afternoon and slips back to 17°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.
| 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) | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 15 |
| 2 | 20 | 15 |
| 3 | 20 | 15 |
| 4 | 20 | 15 |
| 5 | 20 | 15 |
| 6 | 21 | 16 |
| 7 | 21 | 16 |
| 8 | 21 | 16 |
| 9 | 21 | 16 |
| 10 | 21 | 16 |
| 11 | 21 | 16 |
| 12 | 21 | 16 |
| 13 | 21 | 17 |
| 14 | 21 | 17 |
| 15 | 22 | 17 |
| 16 | 22 | 17 |
| 17 | 22 | 17 |
| 18 | 22 | 17 |
| 19 | 22 | 17 |
| 20 | 22 | 18 |
| 21 | 22 | 18 |
| 22 | 23 | 18 |
| 23 | 23 | 18 |
| 24 | 23 | 18 |
| 25 | 23 | 18 |
| 26 | 23 | 18 |
| 27 | 23 | 18 |
| 28 | 23 | 19 |
| 29 | 23 | 19 |
| 30 | 23 | 19 |
| 31 | 23 | 19 |
How July really feels in Yoichi
Once humidity and wind are folded in, July 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.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Yoichi weather by month
How July compares with the rest of the year at a glance. July is the 2nd-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 | -2° / -6° | 103 | 21.5 | 24.5 | 9.2 | 0.0 |
| Feb | -1° / -5° | 83 | 18.5 | 20.3 | 10.2 | 0.0 |
| Mar | 2° / -3° | 74 | 15.1 | 15.2 | 11.6 | 0.0 |
| Apr | 7° / 2° | 64 | 11.2 | 4.3 | 13.2 | 1.0 |
| May | 13° / 7° | 79 | 11.4 | 0.3 | 14.4 | 3.6 |
| Jun | 18° / 12° | 67 | 9.6 | 0 | 15.1 | 5.6 |
| Jul | 22° / 17° | 113 | 11.6 | 0 | 14.9 | 6.2 |
| Aug | 23° / 19° | 145 | 13.2 | 0 | 13.8 | 6.2 |
| Sep | 20° / 15° | 139 | 13.8 | 0 | 12.3 | 5.7 |
| Oct | 14° / 9° | 113 | 14.8 | 0.5 | 10.8 | 3.7 |
| Nov | 6° / 2° | 127 | 18.4 | 10.9 | 9.5 | 0.7 |
| Dec | 0° / -4° | 127 | 22.3 | 22.6 | 8.9 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 19% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 67%.
| 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 (%) | 35 | 35 | 34 | 34 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 33 | 33 | 33 | 34 | 34 | 35 |
| Cloudier (%) | 65 | 65 | 66 | 66 | 65 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 67 | 67 | 67 | 66 | 66 | 65 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 35 | 65 |
| 2 | 35 | 65 |
| 3 | 34 | 66 |
| 4 | 34 | 66 |
| 5 | 35 | 65 |
| 6 | 34 | 66 |
| 7 | 34 | 66 |
| 8 | 34 | 66 |
| 9 | 33 | 67 |
| 10 | 33 | 67 |
| 11 | 33 | 67 |
| 12 | 33 | 67 |
| 13 | 33 | 67 |
| 14 | 33 | 67 |
| 15 | 33 | 67 |
| 16 | 32 | 68 |
| 17 | 32 | 68 |
| 18 | 33 | 67 |
| 19 | 33 | 67 |
| 20 | 33 | 67 |
| 21 | 33 | 67 |
| 22 | 33 | 67 |
| 23 | 33 | 67 |
| 24 | 34 | 66 |
| 25 | 34 | 66 |
| 26 | 33 | 67 |
| 27 | 33 | 67 |
| 28 | 33 | 67 |
| 29 | 34 | 66 |
| 30 | 34 | 66 |
| 31 | 35 | 65 |
Chance of precipitation in July
Yoichi gets around 113 mm of rain over 11.6 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 37% and peaks near 39% 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 (%) | 32 | 33 | 33 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 33 |
| 3 | 33 |
| 4 | 34 |
| 5 | 35 |
| 6 | 35 |
| 7 | 36 |
| 8 | 36 |
| 9 | 37 |
| 10 | 37 |
| 11 | 37 |
| 12 | 37 |
| 13 | 37 |
| 14 | 37 |
| 15 | 37 |
| 16 | 37 |
| 17 | 37 |
| 18 | 37 |
| 19 | 37 |
| 20 | 37 |
| 21 | 37 |
| 22 | 37 |
| 23 | 37 |
| 24 | 38 |
| 25 | 38 |
| 26 | 38 |
| 27 | 38 |
| 28 | 38 |
| 29 | 39 |
| 30 | 39 |
| 31 | 39 |
Humidity in July
Most of July feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 25% 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 (%) | 23 | 21 | 19 | 17 | 15 | 14 | 13 | 12 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Comfortable (%) | 44 | 44 | 43 | 42 | 41 | 39 | 38 | 37 | 36 | 34 | 33 | 32 | 31 | 30 | 28 | 27 | 26 | 24 | 23 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 13 | 13 | 12 |
| Humid (%) | 28 | 30 | 32 | 34 | 36 | 37 | 39 | 40 | 42 | 43 | 44 | 44 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 43 | 42 | 40 | 39 | 37 | 36 | 34 | 33 | 31 |
| Muggy (%) | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 19 | 21 | 23 | 24 | 26 | 28 | 30 | 32 | 33 | 35 | 36 | 38 | 39 | 40 | 42 | 42 | 43 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 11 | 12 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 23 | 44 | 28 | 5 | 0 |
| 2 | 21 | 44 | 30 | 5 | 0 |
| 3 | 19 | 43 | 32 | 6 | 0 |
| 4 | 17 | 42 | 34 | 7 | 0 |
| 5 | 15 | 41 | 36 | 8 | 0 |
| 6 | 14 | 39 | 37 | 9 | 0 |
| 7 | 13 | 38 | 39 | 10 | 0 |
| 8 | 12 | 37 | 40 | 11 | 0 |
| 9 | 10 | 36 | 42 | 12 | 0 |
| 10 | 10 | 34 | 43 | 13 | 0 |
| 11 | 9 | 33 | 44 | 14 | 0 |
| 12 | 8 | 32 | 44 | 15 | 0 |
| 13 | 7 | 31 | 45 | 17 | 0 |
| 14 | 7 | 30 | 46 | 18 | 0 |
| 15 | 6 | 28 | 46 | 19 | 0 |
| 16 | 6 | 27 | 46 | 21 | 0 |
| 17 | 5 | 26 | 46 | 23 | 0 |
| 18 | 5 | 24 | 46 | 24 | 0 |
| 19 | 4 | 23 | 46 | 26 | 1 |
| 20 | 4 | 21 | 45 | 28 | 1 |
| 21 | 4 | 20 | 45 | 30 | 2 |
| 22 | 3 | 19 | 44 | 32 | 2 |
| 23 | 3 | 18 | 43 | 33 | 3 |
| 24 | 3 | 17 | 42 | 35 | 4 |
| 25 | 2 | 16 | 40 | 36 | 5 |
| 26 | 2 | 15 | 39 | 38 | 6 |
| 27 | 2 | 14 | 37 | 39 | 8 |
| 28 | 2 | 13 | 36 | 40 | 9 |
| 29 | 2 | 13 | 34 | 42 | 10 |
| 30 | 2 | 13 | 33 | 42 | 11 |
| 31 | 2 | 12 | 31 | 43 | 12 |
Wind in July
Winds average 9 km/h in July, the calmest month.
Across July, 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 July
Daylight runs from about 15 h 12 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over July. Sunrise moves from 4:05 AM to 4:30 AM, and sunset from 7:15 PM to 6:56 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) | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.4 |
| Sunrise (AM) | 4:05 | 4:06 | 4:06 | 4:07 | 4:07 | 4:08 | 4:09 | 4:09 | 4:10 | 4:11 | 4:11 | 4:12 | 4:13 | 4:14 | 4:15 | 4:15 | 4:16 | 4:17 | 4:18 | 4:19 | 4:20 | 4:21 | 4:22 | 4:23 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:30 |
| Sunset (PM) | 7:15 | 7:15 | 7:15 | 7:15 | 7:14 | 7:14 | 7:14 | 7:14 | 7:13 | 7:13 | 7:12 | 7:12 | 7:11 | 7:11 | 7:10 | 7:10 | 7:09 | 7:08 | 7:08 | 7:07 | 7:06 | 7:05 | 7:04 | 7:03 | 7:02 | 7:01 | 7:00 | 6:59 | 6:58 | 6:57 | 6:56 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.2 | 4:05 | 7:15 |
| 2 | 15.2 | 4:06 | 7:15 |
| 3 | 15.1 | 4:06 | 7:15 |
| 4 | 15.1 | 4:07 | 7:15 |
| 5 | 15.1 | 4:07 | 7:14 |
| 6 | 15.1 | 4:08 | 7:14 |
| 7 | 15.1 | 4:09 | 7:14 |
| 8 | 15.1 | 4:09 | 7:14 |
| 9 | 15.1 | 4:10 | 7:13 |
| 10 | 15.0 | 4:11 | 7:13 |
| 11 | 15.0 | 4:11 | 7:12 |
| 12 | 15.0 | 4:12 | 7:12 |
| 13 | 15.0 | 4:13 | 7:11 |
| 14 | 15.0 | 4:14 | 7:11 |
| 15 | 14.9 | 4:15 | 7:10 |
| 16 | 14.9 | 4:15 | 7:10 |
| 17 | 14.9 | 4:16 | 7:09 |
| 18 | 14.9 | 4:17 | 7:08 |
| 19 | 14.8 | 4:18 | 7:08 |
| 20 | 14.8 | 4:19 | 7:07 |
| 21 | 14.8 | 4:20 | 7:06 |
| 22 | 14.7 | 4:21 | 7:05 |
| 23 | 14.7 | 4:22 | 7:04 |
| 24 | 14.7 | 4:23 | 7:03 |
| 25 | 14.6 | 4:24 | 7:02 |
| 26 | 14.6 | 4:25 | 7:01 |
| 27 | 14.6 | 4:26 | 7:00 |
| 28 | 14.5 | 4:27 | 6:59 |
| 29 | 14.5 | 4:28 | 6:58 |
| 30 | 14.5 | 4:29 | 6:57 |
| 31 | 14.4 | 4:30 | 6:56 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.21 kWh/m².
For context, solar energy here swings from a low near 1.37 kWh/m² to a high of 5.69 kWh/m² in June across the year — July's 5.21 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 |
| 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 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.3 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.0 | Bright |
| 30 | 5.0 | Bright |
| 31 | 5.0 | Bright |
Hazard calendar for Yoichi
In July, Yoichi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Yoichi sits in the Pacific typhoon belt; the season peaks July–October.
Is July a good time to visit Yoichi?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Yoichi for sightseeing.
What to pack for Yoichi in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Yoichi sees daytime highs around 22°C and nights near 17°C. Worth packing: rain gear and sun protection. About 12 days see rain.
Sea temperature near Yoichi in July
The nearest coast averages about 19°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in August at about 21°C and coldest in February near 6°C.
It's comfortable for a long swim from Aug 1 to Sep 23 — about 1.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 7 | 6 | 6 | 7 | 10 | 14 | 19 | 21 | 21 | 17 | 13 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 7 | Bracing |
| Feb | 6 | Bracing |
| Mar | 6 | Bracing |
| Apr | 7 | Bracing |
| May | 10 | Bracing |
| Jun | 14 | Bracing |
| Jul | 19 | Cool |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 17 | Cool |
| Nov | 13 | Bracing |
| Dec | 9 | Bracing |
UV index in Yoichi in July
Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Yoichi peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 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 | High |
| Jul | 5 | Moderate |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Yoichi in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Yoichi is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 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) | 11 | 15 | 21 | 21 | 19 | 13 | 12 | 11 | 10 | 12 | 11 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 15 | Moderate |
| Mar | 21 | Moderate |
| Apr | 21 | Moderate |
| May | 19 | Moderate |
| Jun | 13 | Moderate |
| Jul | 12 | Moderate |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 12 | Good |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is Yoichi?
Yoichi sits at 43.2°N, 140.8°E, 2 m above sea level, in Japan. The nearest listed city is Otaru, 19 km away.
Topography around Yoichi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yoichi.
Within 3 km, the terrain around Yoichi has significant variations in elevation — a maximum elevation change of 280 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,867 m.
The land around Yoichi is covered by trees (46%) and water (31%) within 3 km, trees (56%) and water (37%) within 16 km, and trees (44%) and water (44%) 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 Yoichi (43.2039°, 140.7703°, elevation 2 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).