Last updated: August 23, 2025
In December, the average temperature in Okoppe, Japan hovers around -3°C (27°F), with a typical minimum of -13°C (9°F) and a maximum reaching 12°C (53°F). Prepare for wet weather, as the region experiences about 69 mm (2.7 in) of precipitation over 21 days. Don’t forget your layers; the average humidity is a chilly 82%!
In December, in Okoppe, the average temperature is -3°C (27°F). Maximum temperatures can reach 12°C (53°F), while the minimum can drop as low as -13°C (9°F). Travelers should be prepared for chilly conditions and pack accordingly to enjoy their stay.
In Okoppe in December, the precipitation amount is 69 mm (2.7 in) spread over 21 days.
In Okoppe in December, humidity is 82%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm while navigating through the damp air.
In Okoppe 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 Okoppe, you can visit Hourly UV Index in Okoppe.
UV Risk Categories
Weather in Okoppe varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Okoppe, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 63 mm (2.5 inches) | 87% | low |
| February Weather | -6°C (21°F) | 63 mm (2.5 inches) | 86% | moderate |
| March Weather | -1°C (30°F) | 73 mm (2.9 inches) | 85% | high |
| April Weather | 4°C (40°F) | 60 mm (2.3 inches) | 85% | high |
| May Weather | 10°C (51°F) | 87 mm (3.4 inches) | 88% | very high |
| June Weather | 13°C (56°F) | 88 mm (3.5 inches) | 88% | very high |
| July Weather | 18°C (65°F) | 82 mm (3.2 inches) | 93% | very high |
| August Weather | 19°C (66°F) | 157 mm (6.2 inches) | 95% | very high |
| September Weather | 17°C (62°F) | 80 mm (3.1 inches) | 88% | high |
| October Weather | 11°C (51°F) | 134 mm (5.3 inches) | 80% | moderate |
| November Weather | 4°C (39°F) | 102 mm (4.0 inches) | 78% | moderate |
| December Weather | -3°C (27°F) | 69 mm (2.7 inches) | 82% | low |