Ōarai weather in November
In November, Ōarai sees average daytime highs of 16°C and overnight lows near 11°C, with 106 mm of rain across 10.5 wet days and about 10.1 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.
Highs ease over the month, from about 18°C in the first days to 13°C by the end. The sky is clear or mostly clear about 44% of the time in November, and the air most often feels dry.
Daylight stretches from about 10 h 30 min at the start of November to 9 h 42 min by month's end. Set against the rest of the year, November is Ōarai's 4th-clearest and 9th-windiest month. For the whole year in context, see Ōarai's year-round climate.
- Daytime high
- 16°
- 8th warmest
- Overnight low
- 11°
- 6th coldest
- Rainfall
- 106 mm
- 10.5 wet days
- Daylight
- 10 hours
- 6:22 AM – 4:24 PM
- Cloud cover
- 51%
- 4th clearest
- Wind
- 13 km/h
- 9th windiest
- Solar energy
- 2.55 kWh/m²
- Travel score
- 4.8
- out of 10
Ōarai is town in Higashiibaraki District, Ibaraki Prefecture, Japan.
- Density
- 661/km²
- people per km²
- Founded
- 1954
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Highs ease over the month, from about 18°C in the first days to 13°C by the end.
A typical November day in Ōarai reaches about 16°C in the afternoon and slips back to 11°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 19°C. Set against its neighbours, November runs about 5°C cooler than October and about 5°C warmer than December.
| 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) | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 18 | 13 |
| 2 | 18 | 13 |
| 3 | 18 | 13 |
| 4 | 17 | 13 |
| 5 | 17 | 13 |
| 6 | 17 | 12 |
| 7 | 17 | 12 |
| 8 | 17 | 12 |
| 9 | 17 | 12 |
| 10 | 17 | 12 |
| 11 | 16 | 12 |
| 12 | 16 | 11 |
| 13 | 16 | 11 |
| 14 | 16 | 11 |
| 15 | 16 | 11 |
| 16 | 15 | 11 |
| 17 | 15 | 10 |
| 18 | 15 | 10 |
| 19 | 15 | 10 |
| 20 | 15 | 10 |
| 21 | 15 | 10 |
| 22 | 14 | 10 |
| 23 | 14 | 9 |
| 24 | 14 | 9 |
| 25 | 14 | 9 |
| 26 | 14 | 9 |
| 27 | 14 | 9 |
| 28 | 13 | 9 |
| 29 | 13 | 8 |
| 30 | 13 | 8 |
How November really feels in Ōarai
Once humidity and wind are folded in, November 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.
November sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Ōarai weather by month
How November compares with the rest of the year at a glance. November is the 8th-warmest and 9th-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° / 3° | 73 | 7.6 | 1.3 | 9.8 | 1.7 |
| Feb | 9° / 3° | 71 | 8.1 | 1.6 | 10.6 | 1.8 |
| Mar | 12° / 6° | 126 | 13 | 0.9 | 11.7 | 2.9 |
| Apr | 16° / 10° | 124 | 12.4 | 0.1 | 12.9 | 4.7 |
| May | 20° / 15° | 148 | 12.6 | 0 | 13.9 | 5.8 |
| Jun | 23° / 18° | 159 | 14.1 | 0 | 14.4 | 5.7 |
| Jul | 26° / 22° | 162 | 14.9 | 0 | 14.2 | 5.7 |
| Aug | 28° / 23° | 111 | 12.1 | 0 | 13.4 | 6.0 |
| Sep | 25° / 21° | 176 | 14.1 | 0 | 12.2 | 6.0 |
| Oct | 20° / 16° | 213 | 13.5 | 0 | 11.1 | 5.8 |
| Nov | 16° / 11° | 106 | 10.5 | 0 | 10.1 | 4.8 |
| Dec | 11° / 6° | 71 | 8.6 | 0.2 | 9.6 | 2.9 |
Cloud cover in November
The sky is clear or mostly clear about 44% of the time in November.
Beyond those clear spells, partly cloudy skies cover about 13% of November, with mostly cloudy or overcast conditions the remaining 42%.
| 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 (%) | 57 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 |
| Cloudier (%) | 43 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 57 | 43 |
| 2 | 58 | 42 |
| 3 | 57 | 43 |
| 4 | 57 | 43 |
| 5 | 57 | 43 |
| 6 | 57 | 43 |
| 7 | 57 | 43 |
| 8 | 57 | 43 |
| 9 | 58 | 42 |
| 10 | 58 | 42 |
| 11 | 58 | 42 |
| 12 | 57 | 43 |
| 13 | 57 | 43 |
| 14 | 57 | 43 |
| 15 | 57 | 43 |
| 16 | 57 | 43 |
| 17 | 57 | 43 |
| 18 | 57 | 43 |
| 19 | 58 | 42 |
| 20 | 58 | 42 |
| 21 | 58 | 42 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 58 | 42 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 59 | 41 |
Chance of precipitation in November
Ōarai gets around 106 mm of rain over 10.5 wet days in November. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 36% and peaks near 37% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 37 |
| 2 | 37 |
| 3 | 36 |
| 4 | 36 |
| 5 | 35 |
| 6 | 35 |
| 7 | 35 |
| 8 | 35 |
| 9 | 34 |
| 10 | 34 |
| 11 | 34 |
| 12 | 35 |
| 13 | 35 |
| 14 | 35 |
| 15 | 36 |
| 16 | 36 |
| 17 | 36 |
| 18 | 36 |
| 19 | 36 |
| 20 | 36 |
| 21 | 36 |
| 22 | 36 |
| 23 | 36 |
| 24 | 36 |
| 25 | 36 |
| 26 | 36 |
| 27 | 36 |
| 28 | 35 |
| 29 | 35 |
| 30 | 34 |
Humidity in November
Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the dry band about 88% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 73 | 75 | 76 | 77 | 79 | 80 | 81 | 82 | 84 | 85 | 86 | 87 | 89 | 89 | 90 | 91 | 91 | 92 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 96 | 97 | 97 | 97 | 97 |
| Comfortable (%) | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
| Humid (%) | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 73 | 21 | 6 |
| 2 | 75 | 20 | 5 |
| 3 | 76 | 19 | 5 |
| 4 | 77 | 18 | 5 |
| 5 | 79 | 17 | 4 |
| 6 | 80 | 16 | 4 |
| 7 | 81 | 15 | 4 |
| 8 | 82 | 14 | 4 |
| 9 | 84 | 13 | 3 |
| 10 | 85 | 12 | 3 |
| 11 | 86 | 11 | 3 |
| 12 | 87 | 10 | 3 |
| 13 | 89 | 9 | 2 |
| 14 | 89 | 9 | 2 |
| 15 | 90 | 8 | 2 |
| 16 | 91 | 7 | 2 |
| 17 | 91 | 7 | 2 |
| 18 | 92 | 6 | 2 |
| 19 | 94 | 5 | 1 |
| 20 | 94 | 5 | 1 |
| 21 | 94 | 5 | 1 |
| 22 | 95 | 4 | 1 |
| 23 | 95 | 4 | 1 |
| 24 | 95 | 4 | 1 |
| 25 | 95 | 4 | 1 |
| 26 | 96 | 4 | 0 |
| 27 | 97 | 3 | 0 |
| 28 | 97 | 3 | 0 |
| 29 | 97 | 3 | 0 |
| 30 | 97 | 3 | 0 |
Wind in November
Winds average 13 km/h in November.
Across November, daily wind ranges from about 13 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
Sunrise & sunset in November
Daylight runs from about 10 h 30 min at the start of November to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over November. Sunrise moves from 6:07 AM to 6:35 AM, and sunset from 4:36 PM to 4:19 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) | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.3 | 10.3 | 10.3 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 10.0 | 10.0 | 10.0 | 10.0 | 9.9 | 9.9 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.7 | 9.7 |
| Sunrise (AM) | 6:07 | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 | 6:24 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 |
| Sunset (PM) | 4:36 | 4:35 | 4:34 | 4:33 | 4:32 | 4:31 | 4:30 | 4:30 | 4:29 | 4:28 | 4:27 | 4:27 | 4:26 | 4:25 | 4:25 | 4:24 | 4:23 | 4:23 | 4:22 | 4:22 | 4:21 | 4:21 | 4:21 | 4:20 | 4:20 | 4:20 | 4:19 | 4:19 | 4:19 | 4:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.5 | 6:07 | 4:36 |
| 2 | 10.5 | 6:08 | 4:35 |
| 3 | 10.4 | 6:09 | 4:34 |
| 4 | 10.4 | 6:10 | 4:33 |
| 5 | 10.4 | 6:11 | 4:32 |
| 6 | 10.3 | 6:12 | 4:31 |
| 7 | 10.3 | 6:13 | 4:30 |
| 8 | 10.3 | 6:14 | 4:30 |
| 9 | 10.2 | 6:15 | 4:29 |
| 10 | 10.2 | 6:16 | 4:28 |
| 11 | 10.2 | 6:17 | 4:27 |
| 12 | 10.1 | 6:18 | 4:27 |
| 13 | 10.1 | 6:19 | 4:26 |
| 14 | 10.1 | 6:20 | 4:25 |
| 15 | 10.1 | 6:21 | 4:25 |
| 16 | 10.0 | 6:22 | 4:24 |
| 17 | 10.0 | 6:23 | 4:23 |
| 18 | 10.0 | 6:24 | 4:23 |
| 19 | 10.0 | 6:25 | 4:22 |
| 20 | 9.9 | 6:26 | 4:22 |
| 21 | 9.9 | 6:27 | 4:21 |
| 22 | 9.9 | 6:28 | 4:21 |
| 23 | 9.9 | 6:29 | 4:21 |
| 24 | 9.8 | 6:30 | 4:20 |
| 25 | 9.8 | 6:31 | 4:20 |
| 26 | 9.8 | 6:32 | 4:20 |
| 27 | 9.8 | 6:33 | 4:19 |
| 28 | 9.8 | 6:34 | 4:19 |
| 29 | 9.7 | 6:34 | 4:19 |
| 30 | 9.7 | 6:35 | 4:19 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 2.55 kWh/m².
For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 5.38 kWh/m² in May across the year — November's 2.55 kWh/m² sits near the bottom.
| 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) | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 | 2.7 | 2.6 | 2.6 | 2.6 | 2.6 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | 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 | 2.9 | Moderate |
| 2 | 2.9 | Moderate |
| 3 | 2.8 | Moderate |
| 4 | 2.8 | Moderate |
| 5 | 2.8 | Moderate |
| 6 | 2.8 | Moderate |
| 7 | 2.7 | Moderate |
| 8 | 2.7 | Moderate |
| 9 | 2.7 | Moderate |
| 10 | 2.7 | Moderate |
| 11 | 2.6 | Moderate |
| 12 | 2.6 | Moderate |
| 13 | 2.6 | Moderate |
| 14 | 2.6 | Moderate |
| 15 | 2.5 | Moderate |
| 16 | 2.5 | Moderate |
| 17 | 2.5 | Moderate |
| 18 | 2.5 | Moderate |
| 19 | 2.5 | Moderate |
| 20 | 2.4 | Moderate |
| 21 | 2.4 | Moderate |
| 22 | 2.4 | Moderate |
| 23 | 2.4 | Moderate |
| 24 | 2.4 | Moderate |
| 25 | 2.4 | Moderate |
| 26 | 2.3 | Moderate |
| 27 | 2.3 | Moderate |
| 28 | 2.3 | Moderate |
| 29 | 2.3 | Moderate |
| 30 | 2.3 | Moderate |
Hazard calendar for Ōarai
In November, Ōarai sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Ōarai sits in the Pacific typhoon belt; the season peaks July–October.
Is November a good time to visit Ōarai?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a reasonable time to visit Ōarai for sightseeing.
What to pack for Ōarai in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Ōarai sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 11 days see rain.
Sea temperature near Ōarai in November
The nearest coast averages about 19°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 24°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 24 to Oct 28 — about 4.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 13 | 13 | 15 | 17 | 19 | 22 | 24 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 17 | Cool |
| Jun | 19 | Cool |
| Jul | 22 | Refreshing |
| Aug | 24 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Ōarai in November
Clear-sky midday UV in November peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ōarai peaks around July 24 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 | 8 | 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 | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Ōarai in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in Ōarai is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× 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 | 18 | 25 | 25 | 24 | 19 | 16 | 15 | 15 | 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 | 18 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 24 | Moderate |
| Jun | 19 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 15 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Ōarai?
Ōarai sits at 36.3°N, 140.6°E, 22 m above sea level, in Japan. The nearest listed city is Katsuta, 9.0 km away.
Topography around Ōarai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ōarai.
Within 3 km, the terrain around Ōarai has only modest variations in elevation — a maximum elevation change of 45 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, large variations in elevation — a maximum elevation change of 1,005 m.
The land around Ōarai is covered by water (56%) within 3 km, water (50%) within 16 km, and trees (36%), water (29%) and cropland (20%) 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 Ōarai (36.3141°, 140.5839°, elevation 22 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).