Last updated: August 23, 2025
In December, the average temperature in Osku, Iran hovers around 3°C (37°F), with a chilly minimum of -16°C (4°F) and a pleasant maximum of 17°C (62°F). Expect about 34 mm (1.3 in) of precipitation spread over 7 days, accompanied by a notably high average humidity of 75%. Prepare accordingly for both the cool days and the moist atmosphere!
In December in Osku, the average temperature is 3°C (37°F). Maximums can reach 17°C (62°F), while minimums can drop as low as -16°C (4°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both chilly and mild conditions.
In Osku in December, the total precipitation amount is 34 mm (1.3 in) over the course of 7 days.
In Osku in December, humidity is 75%. With an average temperature of 3°C (37°F), this humidity feels like a chilly damp embrace, making travel seem quite uncomfortable as the cold penetrates through clothing, leaving you feeling clammy and heavy rather than refreshed.
In Osku in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Osku, you can check the information here.
UV Risk Categories
Weather in Osku varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Osku, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 24 mm (0.9 inches) | 76% | moderate |
| February Weather | 2°C (37°F) | 44 mm (1.7 inches) | 75% | moderate |
| March Weather | 8°C (46°F) | 55 mm (2.2 inches) | 73% | very high |
| April Weather | 13°C (56°F) | 46 mm (1.8 inches) | 64% | very high |
| May Weather | 18°C (65°F) | 35 mm (1.4 inches) | 59% | extreme |
| June Weather | 25°C (77°F) | 3 mm (0.1 inches) | 52% | extreme |
| July Weather | 28°C (82°F) | 5 mm (0.2 inches) | 43% | extreme |
| August Weather | 26°C (80°F) | 4 mm (0.2 inches) | 36% | extreme |
| September Weather | 22°C (73°F) | 1 mm (0.0 inches) | 42% | very high |
| October Weather | 15°C (59°F) | 9 mm (0.4 inches) | 58% | high |
| November Weather | 7°C (45°F) | 24 mm (0.9 inches) | 67% | moderate |
| December Weather | 3°C (37°F) | 34 mm (1.3 inches) | 75% | moderate |