Last updated: June 24, 2025
In December in Waterford, United States, the average temperature is a chilly 1°C (33°F). Expect temperatures to dip as low as -16°C (4°F) and occasionally rise to a mild 17°C (63°F). This month brings about 122 mm (4.8 in) of precipitation over 18 days, contributing to a high average humidity of 86%. Be prepared for a damp and cool season!
In December in Waterford, the average temperature is 1°C (33°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -16°C (4°F). This diverse range of temperatures suggests that travelers should prepare for both chilly weather and mild conditions during their visit.
In Waterford in December, the precipitation amount is 122 mm (4.8 in) spread over 18 days, indicating a relatively wet period for the region.
In Waterford in December humidity is 86%. With average temperature 1°C (33°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers for warmth to counteract the dampness in the air.
In Waterford 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 Waterford, you can visit Hourly UV Index in Waterford.
UV Risk Categories
Weather in Waterford varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Waterford, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 104 mm (4.1 inches) | 88% | moderate |
| February Weather | -1°C (30°F) | 107 mm (4.2 inches) | 88% | moderate |
| March Weather | 2°C (36°F) | 103 mm (4.1 inches) | 87% | high |
| April Weather | 8°C (46°F) | 128 mm (5.1 inches) | 87% | very high |
| May Weather | 14°C (58°F) | 129 mm (5.1 inches) | 81% | very high |
| June Weather | 19°C (67°F) | 130 mm (5.1 inches) | 83% | very high |
| July Weather | 22°C (72°F) | 145 mm (5.7 inches) | 82% | very high |
| August Weather | 21°C (70°F) | 111 mm (4.4 inches) | 76% | very high |
| September Weather | 18°C (65°F) | 88 mm (3.4 inches) | 77% | very high |
| October Weather | 12°C (55°F) | 136 mm (5.3 inches) | 82% | high |
| November Weather | 4°C (40°F) | 128 mm (5.0 inches) | 89% | moderate |
| December Weather | 1°C (33°F) | 122 mm (4.8 inches) | 86% | low |