Last updated: June 24, 2025
In December, the average temperature in Palmyra, United States hovers around 6°C (43°F), making it a cool yet refreshing time of year. Temperatures can swing dramatically, with a minimum of -11°C (12°F) and a potential maximum of 22°C (73°F). Expect some drizzle, as 89 mm (3.5 in) of precipitation typically falls over 8 days, contributing to an average humidity of 85%. Perfect for cozying up with a warm drink!
In December in Palmyra, the average temperature is 6°C (43°F), with maximums reaching 22°C (73°F) and minimums dropping as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and chilly weather.
In Palmyra in December, the precipitation amount is 89 mm (3.5 in) over a span of 8 days.
In Palmyra in December, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.
In Palmyra 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 Palmyra, you can check the information here.
UV Risk Categories
Weather in Palmyra varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Palmyra, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 63 mm (2.5 inches) | 84% | moderate |
| February Weather | 7°C (44°F) | 97 mm (3.8 inches) | 84% | high |
| March Weather | 10°C (50°F) | 62 mm (2.5 inches) | 84% | high |
| April Weather | 15°C (60°F) | 105 mm (4.1 inches) | 82% | very high |
| May Weather | 20°C (69°F) | 100 mm (3.9 inches) | 82% | very high |
| June Weather | 24°C (76°F) | 103 mm (4.0 inches) | 83% | very high |
| July Weather | 28°C (82°F) | 64 mm (2.5 inches) | 79% | very high |
| August Weather | 26°C (79°F) | 123 mm (4.8 inches) | 77% | very high |
| September Weather | 23°C (73°F) | 87 mm (3.4 inches) | 75% | very high |
| October Weather | 17°C (64°F) | 110 mm (4.3 inches) | 81% | high |
| November Weather | 9°C (49°F) | 68 mm (2.7 inches) | 87% | moderate |
| December Weather | 6°C (43°F) | 89 mm (3.5 inches) | 85% | moderate |