Ōyanomachi-noboritate in Winter
In winter (December, January and February), Ōyanomachi-noboritate sees average daytime highs around 11°C and overnight lows near 6°C, with 245 mm of precipitation over about 28 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 11°C. The sky is clear or mostly clear about 26% of the time across winter, and the air most often feels dry.
Winter is Ōyanomachi-noboritate's weakest season of the year to visit on our travel score. For the whole year in context, see Ōyanomachi-noboritate's year-round climate.
- Avg daytime high
- 11°C
- coldest season of the year
- Avg overnight low
- 6°C
- Precipitation
- 245 mm
- 28 wet days
- Avg wind
- 9 km/h
- Travel score
- 2.7
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Ōyanomachi-noboritate in Winter
Across winter, daytime highs hold fairly steady around 11°C.
A typical winter day in Ōyanomachi-noboritate reaches about 11°C and drops to 6°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Ōyanomachi-noboritate
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter 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 the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| 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 Winter
The sky is clear or mostly clear about 26% of the time across winter.
Chance of precipitation in Winter
Ōyanomachi-noboritate gets around 245 mm of rain and snow over 28 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 hours in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.6 kWh/m².
Hazard calendar for Ōyanomachi-noboritate
In winter, Ōyanomachi-noboritate overlaps 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 winter a good time to visit Ōyanomachi-noboritate?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Ōyanomachi-noboritate.
What to pack for Ōyanomachi-noboritate in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Ōyanomachi-noboritate sees daytime highs around 11°C and nights near 6°C. Pack a warm layer. Worth having: rain gear. About 28 days see rain.
Sea temperature near Ōyanomachi-noboritate in Winter
The nearest coast averages about 16°C across winter — 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 Winter
Clear-sky midday UV across winter averages around 4 — 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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.