Last updated: August 23, 2025
In Katsuren-haebaru, Japan, the average temperature in December hovers around 20°C (69°F), making it a delightful time to explore. Expect pleasant conditions with minimum temperatures dipping to 14°C (58°F) and highs reaching up to 25°C (78°F). However, be prepared for some rain, as 188 mm (7.4 in) of precipitation can occur over 16 days. With an average humidity of 75%, the air will feel quite comfortable, perfect for enjoying the stunning scenery!
In December in Katsuren-haebaru, the average temperature is 20°C (69°F). Maximums can reach 25°C (78°F), while minimums can be as low as 14°C (58°F). This pleasant climate makes Katsuren-haebaru a great destination for outdoor activities and sightseeing during this time of year.
In Katsuren-haebaru in December, the total precipitation amount is 188 mm (7.4 in), observed over a span of 16 days.
In Katsuren-haebaru in December, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.
In Katsuren-haebaru in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Katsuren-haebaru, you can refer to this Hourly UV Index in Katsuren-haebaru.
UV Risk Categories
Weather in Katsuren-haebaru varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Katsuren-haebaru, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (66°F) | 91 mm (3.6 inches) | 71% | high |
| February Weather | 19°C (66°F) | 97 mm (3.8 inches) | 71% | very high |
| March Weather | 20°C (68°F) | 107 mm (4.2 inches) | 76% | extreme |
| April Weather | 21°C (71°F) | 137 mm (5.4 inches) | 82% | extreme |
| May Weather | 24°C (76°F) | 208 mm (8.2 inches) | 84% | extreme |
| June Weather | 26°C (80°F) | 302 mm (11.9 inches) | 86% | extreme |
| July Weather | 28°C (83°F) | 192 mm (7.6 inches) | 86% | extreme |
| August Weather | 28°C (83°F) | 205 mm (8.1 inches) | 82% | extreme |
| September Weather | 28°C (82°F) | 253 mm (10.0 inches) | 82% | extreme |
| October Weather | 26°C (79°F) | 160 mm (6.3 inches) | 80% | very high |
| November Weather | 23°C (74°F) | 103 mm (4.1 inches) | 79% | very high |
| December Weather | 20°C (69°F) | 188 mm (7.4 inches) | 75% | high |