Last updated: August 23, 2025
In December, the average temperature in Sakai-nakajima, Japan hovers around 7°C (44°F), with a minimum dipping to -2°C (29°F) and a maximum reaching up to 19°C (67°F). Expect about 41 mm (1.6 in) of precipitation spread over 5 days, contributing to a high average humidity of 86%. Prepare for a cool and damp month!
In December in Sakai-nakajima, the average temperature is 7°C (44°F). Maximum temperatures can reach 19°C (67°F), while minimums can drop as low as -2°C (29°F). Be prepared for a mix of mild days and chilly nights when planning your trip.
In Sakai-nakajima in December, the precipitation amount is 41 mm (1.6 in) over a period of 5 days.
In Sakai-nakajima in December, humidity is 86%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite uninviting.
In Sakai-nakajima in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sakai-nakajima, you can check the information here.
UV Risk Categories
Weather in Sakai-nakajima varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sakai-nakajima, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 44 mm (1.7 inches) | 88% | moderate |
| February Weather | 5°C (42°F) | 42 mm (1.7 inches) | 86% | moderate |
| March Weather | 9°C (49°F) | 115 mm (4.5 inches) | 81% | very high |
| April Weather | 14°C (57°F) | 117 mm (4.6 inches) | 78% | very high |
| May Weather | 19°C (66°F) | 124 mm (4.9 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 160 mm (6.3 inches) | 88% | extreme |
| July Weather | 25°C (78°F) | 258 mm (10.2 inches) | 92% | extreme |
| August Weather | 27°C (82°F) | 148 mm (5.8 inches) | 92% | extreme |
| September Weather | 23°C (73°F) | 194 mm (7.6 inches) | 89% | very high |
| October Weather | 18°C (64°F) | 260 mm (10.2 inches) | 87% | high |
| November Weather | 12°C (54°F) | 43 mm (1.7 inches) | 85% | moderate |
| December Weather | 7°C (44°F) | 41 mm (1.6 inches) | 86% | moderate |