Last updated: August 23, 2025
In Otoineppu, Japan, the average temperature in December hovers around -5°C (24°F), with extremes reaching a brisk -19°C (-2°F) minimum and a milder 11°C (52°F) maximum. This chilly month sees around 100 mm (3.9 in) of precipitation spread over 25 days, contributing to a high average humidity of 83%. Prepare for a wet and frosty experience!
In December in Otoineppu, the average temperature is -5°C (24°F), with maximums reaching up to 11°C (52°F) and minimums plummeting as low as -19°C (-2°F). Be prepared for a wide range of temperatures if you plan to travel during this time.
In Otoineppu in December, the precipitation amount is 100 mm (3.9 in) over a span of 25 days.
In Otoineppu in December humidity is 83%. With an average temperature of -5°C (24°F), this humidity feels like a biting chill that penetrates your layers, making each breath crisp and brisk, which can be quite uncomfortable for traveling.
In Otoineppu 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 Otoineppu, you can visit Hourly UV Index in Otoineppu.
UV Risk Categories
Weather in Otoineppu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Otoineppu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 71 mm (2.8 inches) | 87% | low |
| February Weather | -7°C (21°F) | 79 mm (3.1 inches) | 84% | moderate |
| March Weather | -1°C (31°F) | 87 mm (3.4 inches) | 83% | moderate |
| April Weather | 4°C (40°F) | 70 mm (2.8 inches) | 84% | high |
| May Weather | 11°C (52°F) | 95 mm (3.8 inches) | 88% | very high |
| June Weather | 14°C (57°F) | 96 mm (3.8 inches) | 88% | very high |
| July Weather | 19°C (67°F) | 99 mm (3.9 inches) | 93% | very high |
| August Weather | 19°C (67°F) | 150 mm (5.9 inches) | 94% | very high |
| September Weather | 16°C (61°F) | 90 mm (3.6 inches) | 86% | high |
| October Weather | 10°C (49°F) | 136 mm (5.4 inches) | 79% | moderate |
| November Weather | 3°C (37°F) | 137 mm (5.4 inches) | 77% | moderate |
| December Weather | -5°C (24°F) | 100 mm (3.9 inches) | 83% | low |