Last updated: August 23, 2025
In Akaigawa, Japan, the average temperature in December hovers around -4°C (24°F). While it can dip to a chilly -16°C (3°F), temperatures can occasionally rise to a balmy 10°C (50°F). During this month, expect 104 mm (4.1 in) of precipitation spread over 26 days, with an average humidity of 80% adding to the winter’s bite.
In December in Akaigawa, the average temperature is -4°C (24°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for a variety of cold weather conditions and dress warmly to enjoy their visit.
In Akaigawa in December, the precipitation amount is 104 mm (4.1 in) spread over 26 days.
In Akaigawa in December humidity is 80%. With an average temperature of -4°C (24°F), this humidity feels like an icy dampness that seeps into your clothes, making every step outside a chillier challenge, as if the cold air clings to you, dampening the joy of exploration.
In Akaigawa in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Akaigawa, you can visit Hourly UV Index in Akaigawa.
UV Risk Categories
Weather in Akaigawa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Akaigawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 73 mm (2.9 inches) | 84% | low |
| February Weather | -5°C (23°F) | 82 mm (3.2 inches) | 83% | moderate |
| March Weather | 0°C (32°F) | 97 mm (3.8 inches) | 81% | moderate |
| April Weather | 4°C (39°F) | 90 mm (3.5 inches) | 81% | high |
| May Weather | 11°C (52°F) | 90 mm (3.5 inches) | 86% | very high |
| June Weather | 15°C (59°F) | 117 mm (4.6 inches) | 87% | very high |
| July Weather | 20°C (68°F) | 91 mm (3.6 inches) | 93% | very high |
| August Weather | 20°C (68°F) | 150 mm (5.9 inches) | 95% | very high |
| September Weather | 16°C (62°F) | 124 mm (4.9 inches) | 88% | very high |
| October Weather | 10°C (50°F) | 132 mm (5.2 inches) | 83% | moderate |
| November Weather | 3°C (38°F) | 137 mm (5.4 inches) | 79% | moderate |
| December Weather | -4°C (24°F) | 104 mm (4.1 inches) | 80% | low |