Ōyanomachi-noboritate weather in December
In December, Ōyanomachi-noboritate sees average daytime highs of 12°C and overnight lows near 7°C, with 83 mm of precipitation across 9 wet days and about 9.9 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 hours at the start of December to 9 h 54 min by month's end. Set against the rest of the year, December is Ōyanomachi-noboritate's 3rd-clearest and 5th-windiest month. For the whole year in context, see Ōyanomachi-noboritate's year-round climate.
- Daytime high
- 12°
- 10th warmest
- Overnight low
- 7°
- 3rd coldest
- Precipitation
- 83 mm
- 9 wet days
- Daylight
- 9 h 54 min
- 7:18 AM – 5:10 PM
- Cloud cover
- 57%
- 3rd clearest
- Wind
- 9 km/h
- 5th windiest
- Solar energy
- 2.28 kWh/m²
- Travel score
- 3.3
- out of 10
Temperature in December
Highs ease over the month, from about 14°C in the first days to 11°C by the end.
A typical December day in Ōyanomachi-noboritate reaches about 12°C in the afternoon and slips back to 7°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.
| 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) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Avg low (°C) | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 14 | 9 |
| 2 | 14 | 9 |
| 3 | 14 | 9 |
| 4 | 14 | 8 |
| 5 | 14 | 8 |
| 6 | 13 | 8 |
| 7 | 13 | 8 |
| 8 | 13 | 8 |
| 9 | 13 | 8 |
| 10 | 13 | 7 |
| 11 | 13 | 7 |
| 12 | 12 | 7 |
| 13 | 12 | 7 |
| 14 | 12 | 7 |
| 15 | 12 | 7 |
| 16 | 12 | 7 |
| 17 | 12 | 6 |
| 18 | 12 | 6 |
| 19 | 12 | 6 |
| 20 | 11 | 6 |
| 21 | 11 | 6 |
| 22 | 11 | 6 |
| 23 | 11 | 6 |
| 24 | 11 | 6 |
| 25 | 11 | 6 |
| 26 | 11 | 6 |
| 27 | 11 | 6 |
| 28 | 11 | 6 |
| 29 | 11 | 5 |
| 30 | 11 | 5 |
| 31 | 11 | 5 |
How December really feels in Ōyanomachi-noboritate
Once humidity and wind are folded in, December 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.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Ōyanomachi-noboritate weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 10° / 5° | 73 | 9.4 | 0.6 | 10.1 | 2.2 |
| Feb | 11° / 6° | 90 | 9.8 | 0.2 | 10.8 | 2.7 |
| Mar | 15° / 9° | 133 | 12.5 | 0 | 11.8 | 4.1 |
| Apr | 19° / 13° | 151 | 11.9 | 0 | 12.8 | 5.8 |
| May | 23° / 17° | 174 | 11.8 | 0 | 13.7 | 6.4 |
| Jun | 26° / 21° | 428 | 18.3 | 0 | 14.1 | 5.1 |
| Jul | 29° / 25° | 347 | 18.3 | 0 | 13.9 | 4.1 |
| Aug | 31° / 25° | 162 | 16.1 | 0 | 13.2 | 3.9 |
| Sep | 28° / 22° | 175 | 13.2 | 0 | 12.2 | 5.6 |
| Oct | 23° / 17° | 100 | 8.2 | 0 | 11.2 | 7.2 |
| Nov | 18° / 12° | 96 | 8.8 | 0 | 10.3 | 5.8 |
| Dec | 12° / 7° | 83 | 9 | 0.2 | 9.9 | 3.3 |
Cloud cover in December
The sky is clear or mostly clear about 29% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.
| 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 (%) | 53 | 52 | 52 | 51 | 51 | 51 | 51 | 50 | 49 | 50 | 49 | 49 | 49 | 48 | 49 | 48 | 48 | 49 | 49 | 48 | 49 | 48 | 49 | 48 | 48 | 49 | 49 | 47 | 47 | 47 | 46 |
| Cloudier (%) | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 51 | 50 | 51 | 51 | 51 | 52 | 51 | 52 | 52 | 51 | 51 | 52 | 51 | 52 | 51 | 52 | 52 | 51 | 51 | 53 | 53 | 53 | 54 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 53 | 47 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 51 | 49 |
| 5 | 51 | 49 |
| 6 | 51 | 49 |
| 7 | 51 | 49 |
| 8 | 50 | 50 |
| 9 | 49 | 51 |
| 10 | 50 | 50 |
| 11 | 49 | 51 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 48 | 52 |
| 15 | 49 | 51 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 49 | 51 |
| 19 | 49 | 51 |
| 20 | 48 | 52 |
| 21 | 49 | 51 |
| 22 | 48 | 52 |
| 23 | 49 | 51 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 49 | 51 |
| 27 | 49 | 51 |
| 28 | 47 | 53 |
| 29 | 47 | 53 |
| 30 | 47 | 53 |
| 31 | 46 | 54 |
Chance of precipitation in December
Ōyanomachi-noboritate gets around 83 mm of rain and snow over 9 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 29% and peaks near 32% on the wettest days, and about 0 day brings snow.
| 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 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 32 |
| 3 | 32 |
| 4 | 32 |
| 5 | 32 |
| 6 | 32 |
| 7 | 32 |
| 8 | 31 |
| 9 | 31 |
| 10 | 31 |
| 11 | 30 |
| 12 | 30 |
| 13 | 30 |
| 14 | 29 |
| 15 | 29 |
| 16 | 29 |
| 17 | 28 |
| 18 | 28 |
| 19 | 27 |
| 20 | 27 |
| 21 | 27 |
| 22 | 27 |
| 23 | 26 |
| 24 | 26 |
| 25 | 26 |
| 26 | 26 |
| 27 | 27 |
| 28 | 27 |
| 29 | 27 |
| 30 | 27 |
| 31 | 27 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 98% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 93 | 93 | 94 | 94 | 94 | 95 | 96 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 93 | 6 | 1 |
| 2 | 93 | 6 | 1 |
| 3 | 94 | 5 | 1 |
| 4 | 94 | 5 | 1 |
| 5 | 94 | 5 | 1 |
| 6 | 95 | 4 | 1 |
| 7 | 96 | 4 | 0 |
| 8 | 97 | 3 | 0 |
| 9 | 97 | 3 | 0 |
| 10 | 97 | 3 | 0 |
| 11 | 98 | 2 | 0 |
| 12 | 98 | 2 | 0 |
| 13 | 98 | 2 | 0 |
| 14 | 98 | 2 | 0 |
| 15 | 99 | 1 | 0 |
| 16 | 99 | 1 | 0 |
| 17 | 99 | 1 | 0 |
| 18 | 99 | 1 | 0 |
| 19 | 99 | 1 | 0 |
| 20 | 99 | 1 | 0 |
| 21 | 99 | 1 | 0 |
| 22 | 99 | 1 | 0 |
| 23 | 100 | 0 | 0 |
| 24 | 100 | 0 | 0 |
| 25 | 100 | 0 | 0 |
| 26 | 100 | 0 | 0 |
| 27 | 100 | 0 | 0 |
| 28 | 100 | 0 | 0 |
| 29 | 100 | 0 | 0 |
| 30 | 100 | 0 | 0 |
| 31 | 100 | 0 | 0 |
Wind in December
Winds average 9 km/h in December.
Across December, daily wind ranges from about 8 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) | 8 | 8 | 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 | 8 | calm |
| 2 | 8 | 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 December
Daylight runs from about 10 hours at the start of December to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 7:08 AM to 7:25 AM, and sunset from 5:08 PM to 5:18 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) | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 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 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 |
| Sunrise (AM) | 7:08 | 7:08 | 7:09 | 7:10 | 7:11 | 7:12 | 7:12 | 7:13 | 7:14 | 7:15 | 7:15 | 7:16 | 7:17 | 7:17 | 7:18 | 7:18 | 7:19 | 7:20 | 7:20 | 7:21 | 7:21 | 7:22 | 7:22 | 7:23 | 7:23 | 7:23 | 7:24 | 7:24 | 7:24 | 7:25 | 7:25 |
| Sunset (PM) | 5:08 | 5:08 | 5:08 | 5:08 | 5:08 | 5:08 | 5:08 | 5:09 | 5:09 | 5:09 | 5:09 | 5:09 | 5:10 | 5:10 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:16 | 5:17 | 5:17 | 5:18 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.0 | 7:08 | 5:08 |
| 2 | 10.0 | 7:08 | 5:08 |
| 3 | 10.0 | 7:09 | 5:08 |
| 4 | 10.0 | 7:10 | 5:08 |
| 5 | 10.0 | 7:11 | 5:08 |
| 6 | 9.9 | 7:12 | 5:08 |
| 7 | 9.9 | 7:12 | 5:08 |
| 8 | 9.9 | 7:13 | 5:09 |
| 9 | 9.9 | 7:14 | 5:09 |
| 10 | 9.9 | 7:15 | 5:09 |
| 11 | 9.9 | 7:15 | 5:09 |
| 12 | 9.9 | 7:16 | 5:09 |
| 13 | 9.9 | 7:17 | 5:10 |
| 14 | 9.9 | 7:17 | 5:10 |
| 15 | 9.9 | 7:18 | 5:10 |
| 16 | 9.9 | 7:18 | 5:10 |
| 17 | 9.9 | 7:19 | 5:11 |
| 18 | 9.9 | 7:20 | 5:11 |
| 19 | 9.9 | 7:20 | 5:12 |
| 20 | 9.9 | 7:21 | 5:12 |
| 21 | 9.9 | 7:21 | 5:12 |
| 22 | 9.9 | 7:22 | 5:13 |
| 23 | 9.9 | 7:22 | 5:13 |
| 24 | 9.9 | 7:23 | 5:14 |
| 25 | 9.9 | 7:23 | 5:14 |
| 26 | 9.9 | 7:23 | 5:15 |
| 27 | 9.9 | 7:24 | 5:15 |
| 28 | 9.9 | 7:24 | 5:16 |
| 29 | 9.9 | 7:24 | 5:17 |
| 30 | 9.9 | 7:25 | 5:17 |
| 31 | 9.9 | 7:25 | 5:18 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.28 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 5.13 kWh/m² in May across the year — December's 2.28 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.4 | 2.4 | 2.4 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.4 | 2.4 | 2.4 |
| 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 | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.4 | Moderate |
| 2 | 2.4 | Moderate |
| 3 | 2.4 | Moderate |
| 4 | 2.4 | Moderate |
| 5 | 2.3 | Moderate |
| 6 | 2.3 | Moderate |
| 7 | 2.3 | Moderate |
| 8 | 2.3 | Moderate |
| 9 | 2.3 | Moderate |
| 10 | 2.3 | Moderate |
| 11 | 2.3 | Moderate |
| 12 | 2.3 | Moderate |
| 13 | 2.3 | Moderate |
| 14 | 2.3 | Moderate |
| 15 | 2.3 | Moderate |
| 16 | 2.3 | Moderate |
| 17 | 2.3 | Moderate |
| 18 | 2.3 | Moderate |
| 19 | 2.3 | Moderate |
| 20 | 2.3 | Moderate |
| 21 | 2.3 | Moderate |
| 22 | 2.3 | Moderate |
| 23 | 2.3 | Moderate |
| 24 | 2.3 | Moderate |
| 25 | 2.3 | Moderate |
| 26 | 2.3 | Moderate |
| 27 | 2.3 | Moderate |
| 28 | 2.3 | Moderate |
| 29 | 2.4 | Moderate |
| 30 | 2.4 | Moderate |
| 31 | 2.4 | Moderate |
Hazard calendar for Ōyanomachi-noboritate
In December, Ōyanomachi-noboritate sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Ōyanomachi-noboritate sits in the Pacific typhoon belt; the season peaks July–October.
Ōyanomachi-noboritate's rainy season runs June–July, when most of the year's rain falls.
Is December a good time to visit Ōyanomachi-noboritate?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Ōyanomachi-noboritate.
What to pack for Ōyanomachi-noboritate in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Ōyanomachi-noboritate sees daytime highs around 12°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 9 days see rain.
Sea temperature near Ōyanomachi-noboritate in December
The nearest coast averages about 18°C in December — 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 27°C and coldest in February near 14°C.
It's comfortable for a long swim from May 26 to Nov 19 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 15 | 17 | 19 | 22 | 25 | 27 | 26 | 23 | 20 | 18 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 14 | Bracing |
| Mar | 15 | Bracing |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 18 | Cool |
UV index in Ōyanomachi-noboritate in December
Clear-sky midday UV in December 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 Ōyanomachi-noboritate peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 8 | 8 | 10 | 10 | 9 | 10 | 7 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Ōyanomachi-noboritate in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Ōyanomachi-noboritate is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 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) | 17 | 20 | 24 | 24 | 22 | 18 | 13 | 14 | 14 | 14 | 16 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 24 | Moderate |
| Apr | 24 | Moderate |
| May | 22 | Moderate |
| Jun | 18 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 14 | Moderate |
| Oct | 14 | Moderate |
| Nov | 16 | Moderate |
| Dec | 15 | Moderate |
Where is Ōyanomachi-noboritate?
Ōyanomachi-noboritate sits at 32.6°N, 130.4°E, 46 m above sea level, in Japan. The nearest listed city is Minamishimabara, 18 km away.
Topography around Ōyanomachi-noboritate
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ōyanomachi-noboritate.
Within 3 km, the terrain around Ōyanomachi-noboritate has only modest variations in elevation — a maximum elevation change of 225 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 584 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.
The land around Ōyanomachi-noboritate is covered by trees (47%) and water (35%) within 3 km, water (71%) and trees (21%) within 16 km, and trees (53%) and water (33%) 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 Ōyanomachi-noboritate (32.5965°, 130.4341°, elevation 46 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).