Last updated: June 24, 2025
In December, the average temperature in Pearl River, United States hovers around 13°C (56°F), making it a typically mild time of year. However, be prepared for a temperature range, where it can dip to a brisk -3°C (26°F) or soar up to a warm 27°C (82°F). Expect approximately 118 mm (4.7 in) of precipitation spread over 12 days, and with an average humidity of 87%, the air can feel quite damp. Make sure to pack accordingly!
In December in Pearl River, the average temperature is 13°C (56°F), with maximums reaching up to 27°C (82°F) and minimums dropping as low as -3°C (26°F). This temperature range makes Pearl River a versatile travel destination, perfect for enjoying both mild days and cool evenings.
In Pearl River in December, the total precipitation amount is 118 mm (4.7 in) over the course of 12 days.
In Pearl River in December humidity is 87%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it challenging to explore comfortably.
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 | 11°C (53°F) | 99 mm (3.9 inches) | 82% | moderate |
| February Weather | 15°C (58°F) | 115 mm (4.5 inches) | 80% | very high |
| March Weather | 18°C (64°F) | 87 mm (3.4 inches) | 80% | very high |
| April Weather | 20°C (68°F) | 134 mm (5.3 inches) | 78% | extreme |
| May Weather | 24°C (76°F) | 152 mm (6.0 inches) | 73% | extreme |
| June Weather | 27°C (80°F) | 236 mm (9.3 inches) | 71% | extreme |
| July Weather | 27°C (82°F) | 222 mm (8.7 inches) | 79% | extreme |
| August Weather | 27°C (81°F) | 257 mm (10.1 inches) | 78% | extreme |
| September Weather | 26°C (79°F) | 136 mm (5.3 inches) | 80% | very high |
| October Weather | 22°C (72°F) | 130 mm (5.1 inches) | 76% | very high |
| November Weather | 15°C (59°F) | 68 mm (2.7 inches) | 83% | high |
| December Weather | 13°C (56°F) | 118 mm (4.7 inches) | 87% | moderate |