Miyakojima in Winter
In winter (December, January and February), Miyakojima sees average daytime highs around 21°C and overnight lows near 19°C, with 366 mm of rain over about 39 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs ease from about 23°C in early December to 21°C by late February. The sky is clear or mostly clear about 18% of the time across winter, and the air most often feels dry.
Winter is Miyakojima's 3rd-best season to visit on our travel score. For the whole year in context, see Miyakojima's year-round climate.
- Avg daytime high
- 21°C
- coldest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 366 mm
- 39 wet days
- Avg wind
- 29 km/h
- Travel score
- 5.8
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Miyakojima in Winter
Over the season highs ease from about 23°C in early December to 21°C by late February.
A typical winter day in Miyakojima reaches about 21°C and drops to 19°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Miyakojima
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.
Miyakojima 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 20° / 18° | 129 | 14.6 | 10.6 | 5.5 |
| Feb | 21° / 19° | 104 | 12.3 | 11.1 | 5.7 |
| Mar | 22° / 20° | 117 | 12.8 | 11.8 | 6.1 |
| Apr | 24° / 22° | 140 | 12.6 | 12.6 | 6.4 |
| May | 26° / 24° | 182 | 14.3 | 13.2 | 5.9 |
| Jun | 28° / 27° | 169 | 14.3 | 13.5 | 5.3 |
| Jul | 29° / 28° | 135 | 12.8 | 13.4 | 5.2 |
| Aug | 29° / 28° | 213 | 16.4 | 12.9 | 4.8 |
| Sep | 28° / 27° | 189 | 15.1 | 12.2 | 5.4 |
| Oct | 26° / 25° | 134 | 12.1 | 11.4 | 6.4 |
| Nov | 24° / 23° | 124 | 12.9 | 10.8 | 6.4 |
| Dec | 22° / 20° | 133 | 12.5 | 10.5 | 6.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 18% of the time across winter.
Chance of precipitation in Winter
Miyakojima gets around 366 mm of rain over 39 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 29 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 36 min in early December to 11 h 24 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 2.8 kWh/m².
Hazard calendar for Miyakojima
In winter, Miyakojima overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Miyakojima sits in the Pacific typhoon belt; the season peaks July–October.
Is winter a good time to visit Miyakojima?
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 reasonable time to visit Miyakojima for sightseeing.
What to pack for Miyakojima in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Miyakojima sees daytime highs around 21°C and nights near 19°C. Pack rain gear and a windbreaker. About 39 days see rain.
Sea temperature near Miyakojima in Winter
The nearest coast averages about 23°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 29°C and coldest in February near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 23 | 24 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 24 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 24 | Warm |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 27 | Warm |
| Nov | 26 | Warm |
| Dec | 24 | Warm |
UV index in Miyakojima in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Miyakojima peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 5 (high).
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) | 6 | 8 | 10 | 9 | 10 | 12 | 12 | 12 | 11 | 8 | 7 | 5 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 5 | High |
Air quality in Miyakojima 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 Miyakojima is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 7 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) | 12 | 13 | 16 | 14 | 10 | 7 | 8 | 8 | 8 | 10 | 10 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 13 | Moderate |
| Mar | 16 | Moderate |
| Apr | 14 | Moderate |
| May | 10 | Good |
| Jun | 7 | Good |
| Jul | 8 | Good |
| Aug | 8 | Good |
| Sep | 8 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Miyakojima?
Miyakojima sits at 24.8°N, 125.3°E, 36 m above sea level, in Japan. The nearest listed city is Hirara, 2.0 km away.
Topography around Miyakojima
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Miyakojima.
Within 3 km, the terrain around Miyakojima has only modest variations in elevation — a maximum elevation change of 103 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 114 m; within 80 km, only modest variations in elevation — a maximum elevation change of 110 m.
The land around Miyakojima is covered by trees (33%) and cropland (32%) within 3 km, water (77%) within 16 km, and water (98%) 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 Miyakojima (24.7902°, 125.3111°, elevation 36 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.