Last updated: June 24, 2025
In New Site, United States, the average temperature for December hovers around 10°C (50°F). Be prepared for a wide range, as minimum temperatures can dip to -8°C (18°F) while maximums soar to 25°C (77°F). Expect precipitation of 142 mm (5.6 in) spread across 12 days, and don’t forget your umbrella because the average humidity is a brisk 88%!
In December in New Site, the average temperature is 10°C (50°F). Maximum temperatures can reach 25°C (77°F), while minimums can dip as low as -8°C (18°F). This diverse temperature range makes it essential for travelers to pack both warm and light clothing when visiting New Site during this month.
In New Site in December, the total precipitation amount is 142 mm (5.6 in), occurring over the course of 12 days.
In New Site in December, humidity is 88%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and encouraging travelers to seek cozy indoor activities instead.
In New Site 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 New Site for better planning.
UV Risk Categories
Weather in New Site varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in New Site, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 113 mm (4.4 inches) | 85% | moderate |
| February Weather | 12°C (54°F) | 153 mm (6.0 inches) | 84% | high |
| March Weather | 15°C (59°F) | 123 mm (4.8 inches) | 82% | very high |
| April Weather | 18°C (64°F) | 136 mm (5.3 inches) | 82% | very high |
| May Weather | 22°C (72°F) | 119 mm (4.7 inches) | 81% | extreme |
| June Weather | 25°C (77°F) | 132 mm (5.2 inches) | 77% | extreme |
| July Weather | 26°C (80°F) | 112 mm (4.4 inches) | 77% | extreme |
| August Weather | 26°C (79°F) | 122 mm (4.8 inches) | 72% | extreme |
| September Weather | 25°C (76°F) | 97 mm (3.8 inches) | 73% | very high |
| October Weather | 20°C (68°F) | 123 mm (4.8 inches) | 73% | very high |
| November Weather | 12°C (54°F) | 81 mm (3.2 inches) | 85% | high |
| December Weather | 10°C (50°F) | 142 mm (5.6 inches) | 88% | moderate |