Last updated: June 24, 2025
In Oley, United States, the average temperature in December hovers around 3°C (37°F), with a minimum dipping to -14°C (6°F) and a maximum reaching 18°C (64°F). Expect around 101 mm (4.0 in) of precipitation spread over 10 days, and brace yourself for a high average humidity of 85%. Whether you’re exploring the chilly outdoors or cozying up inside, be prepared for a blend of brisk weather and moisture!
In December in Oley, the average temperature is 3°C (37°F). Maximums can reach 18°C (64°F), while minimums can drop as low as -14°C (6°F). Be prepared for a wide range of temperatures when traveling to Oley during this time.
In Oley in December, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.
In Oley in December, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.
In Oley 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 Oley, you can visit Hourly UV Index in Oley.
UV Risk Categories
Weather in Oley varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 69 mm (2.7 inches) | 87% | moderate |
| February Weather | 2°C (36°F) | 106 mm (4.2 inches) | 85% | moderate |
| March Weather | 5°C (42°F) | 100 mm (3.9 inches) | 85% | high |
| April Weather | 11°C (52°F) | 105 mm (4.1 inches) | 83% | very high |
| May Weather | 17°C (63°F) | 132 mm (5.2 inches) | 75% | very high |
| June Weather | 22°C (72°F) | 101 mm (4.0 inches) | 73% | very high |
| July Weather | 25°C (78°F) | 130 mm (5.1 inches) | 65% | very high |
| August Weather | 24°C (75°F) | 135 mm (5.3 inches) | 62% | very high |
| September Weather | 20°C (69°F) | 100 mm (3.9 inches) | 66% | very high |
| October Weather | 15°C (59°F) | 105 mm (4.1 inches) | 79% | high |
| November Weather | 6°C (44°F) | 89 mm (3.5 inches) | 87% | moderate |
| December Weather | 3°C (37°F) | 101 mm (4.0 inches) | 85% | low |