Last updated: August 23, 2025
In December, the average temperature in Ambarawa, Indonesia hovers around 25°C (78°F), with a minimum of 20°C (69°F) and a maximum reaching up to 33°C (92°F). Expect a total precipitation of 460 mm (18.1 in) over 29 days, contributing to a high average humidity of 75%. Embrace the warmth and prepare for the occasional downpour!
In December, in Ambarawa, the average temperature is 25°C (78°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 20°C (69°F). This pleasant climate makes Ambarawa an ideal destination for travelers seeking warmth and outdoor activities during this time of year.
In Ambarawa in December, the total precipitation amount is 460 mm (18.1 in) spread over 29 days.
In Ambarawa in December, humidity is 75%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, but also vibrant and alive, as the air is saturated with the scents of the surroundings and the energy of the environment.
In Ambarawa in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Ambarawa, you can check here.
UV Risk Categories
Weather in Ambarawa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ambarawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 473 mm (18.6 inches) | 82% | extreme |
| February Weather | 25°C (77°F) | 516 mm (20.3 inches) | 86% | extreme |
| March Weather | 25°C (77°F) | 469 mm (18.5 inches) | 84% | extreme |
| April Weather | 26°C (78°F) | 294 mm (11.6 inches) | 80% | extreme |
| May Weather | 26°C (79°F) | 117 mm (4.6 inches) | 81% | extreme |
| June Weather | 25°C (78°F) | 93 mm (3.7 inches) | 81% | very high |
| July Weather | 25°C (77°F) | 29 mm (1.1 inches) | 78% | extreme |
| August Weather | 25°C (78°F) | 17 mm (0.7 inches) | 74% | extreme |
| September Weather | 26°C (79°F) | 53 mm (2.1 inches) | 70% | extreme |
| October Weather | 26°C (80°F) | 132 mm (5.2 inches) | 72% | extreme |
| November Weather | 26°C (79°F) | 337 mm (13.2 inches) | 73% | extreme |
| December Weather | 25°C (78°F) | 460 mm (18.1 inches) | 75% | extreme |