Last updated: June 24, 2025
In December, the average temperature in Pearl River, United States hovers around 11°C (51°F). Expect a chilly minimum of -7°C (20°F), while sunny days can reach a pleasant 26°C (79°F). Be prepared for some rain, as 118 mm (4.6 in) of precipitation is likely over 11 days, and the air will feel quite humid with an average humidity of 88%.
In December in Pearl River, the average temperature is 11°C (51°F). Maximums can reach 26°C (79°F) and minimums can be as low as -7°C (20°F). This variation in temperature makes Pearl River a destination where travelers should pack for both warm and cold weather.
In Pearl River in December, the precipitation amount is 118 mm (4.6 in) over the course of 11 days.
In Pearl River in December humidity is 88%. With an average temperature of 11°C (51°F), this humidity feels like traveling through a damp, heavy blanket, making every step slightly more laborious and the air thick with moisture, which can be quite uncomfortable for exploration.
In Pearl River in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Pearl River for better planning.
UV Risk Categories
Weather in Pearl River varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pearl River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 111 mm (4.4 inches) | 85% | moderate |
| February Weather | 11°C (53°F) | 173 mm (6.8 inches) | 84% | high |
| March Weather | 15°C (60°F) | 122 mm (4.8 inches) | 82% | very high |
| April Weather | 18°C (64°F) | 168 mm (6.6 inches) | 82% | very high |
| May Weather | 23°C (73°F) | 131 mm (5.2 inches) | 82% | extreme |
| June Weather | 26°C (79°F) | 158 mm (6.2 inches) | 79% | extreme |
| July Weather | 27°C (81°F) | 114 mm (4.5 inches) | 82% | extreme |
| August Weather | 27°C (80°F) | 140 mm (5.5 inches) | 77% | extreme |
| September Weather | 25°C (78°F) | 95 mm (3.8 inches) | 74% | very high |
| October Weather | 20°C (68°F) | 104 mm (4.1 inches) | 73% | very high |
| November Weather | 12°C (54°F) | 70 mm (2.8 inches) | 85% | high |
| December Weather | 11°C (51°F) | 118 mm (4.6 inches) | 88% | moderate |