Monthly climate guide
Ishigaki weather in December
December in Ishigaki is typically warm, with average daytime highs around 23°C (73°F) and night-time lows near 21°C (70°F). The month usually brings about 86 mm of rain (some rain) and is often cloudy. Daytime highs are 3°C cooler than November and about the same as January.
What stands out in December
- It's one of the greyest months, with cloud cover near 87%.
- In Ishigaki, December is early winter.
- Days and nights are close, only about 2°C apart.
- Ishigaki is usually about 16°C warmer than Maebashi in December.
Avg high
23°C
73°F
Avg low
21°C
70°F
Rainfall
86 mm
some rain
Humidity
77%
relative
Sky
87%
cloud · often cloudy
Ishigaki weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 21°C / 70°F | 19°C / 67°F | 69 mm | 77% | 85% |
| February | 21°C / 70°F | 19°C / 67°F | 56 mm | 78% | 80% |
| March | 22°C / 72°F | 20°C / 69°F | 75 mm | 79% | 79% |
| April | 24°C / 75°F | 22°C / 72°F | 105 mm | 81% | 77% |
| May | 27°C / 80°F | 25°C / 78°F | 170 mm | 85% | 76% |
| June | 29°C / 84°F | 28°C / 82°F | 160 mm | 86% | 70% |
| July | 30°C / 85°F | 29°C / 84°F | 119 mm | 83% | 57% |
| August | 30°C / 85°F | 29°C / 84°F | 180 mm | 82% | 62% |
| September | 29°C / 84°F | 28°C / 82°F | 149 mm | 80% | 61% |
| October | 27°C / 80°F | 26°C / 79°F | 104 mm | 78% | 66% |
| November | 25°C / 77°F | 24°C / 75°F | 94 mm | 79% | 78% |
| December | 23°C / 73°F | 21°C / 70°F | 86 mm | 77% | 87% |
What to pack for December
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit Ishigaki?
Compare the months in the chart above to find your ideal window.
Best time to visit Ishigaki →Other Japan cities in December
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Ishigaki weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/ishigaki/december
<a href="https://weathercompare.eu/weather/japan/ishigaki/december">Ishigaki weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/ishigaki" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Ishigaki weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/ishigaki/december">Ishigaki weather in December</a> – WeatherCompare</p>
Ishigaki in December: quick answers
Is December a good time to visit Ishigaki?
December is a reasonable time for Ishigaki: highs around 23°C and about 86 mm of rain, though not one of the three best months.
How warm is Ishigaki in December?
Average highs are about 23°C (73°F) and average lows about 21°C (70°F), based on 10 years of daily data.
Does it rain a lot in Ishigaki in December?
Ishigaki typically gets around 86 mm of rain in December — some rain.
Figures are long-term averages for the area around Ishigaki (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.