Last updated: June 24, 2025
In North Ballston Spa, United States, the average temperature for December hovers around -1°C (30°F). During this time, temperatures can dip as low as -24°C (-12°F), but may also reach a maximum of 15°C (60°F). Expect 110 mm (4.3 in) of precipitation spread over 11 days, contributing to an average humidity of 84%.
In December in North Ballston Spa, the average temperature is -1°C (30°F), with a maximum that can reach 15°C (60°F) and a minimum that can drop as low as -24°C (-12°F). It's important to pack warm clothing and be prepared for a wide range of temperatures when traveling to North Ballston Spa during this time.
In North Ballston Spa in December, the precipitation amount is 110 mm (4.3 in) spread over 11 days.
In North Ballston Spa in December, humidity is 84%. With an average temperature of -1°C (30°F), this humidity feels like a sharp chill that seeps into your bones, making travel uncomfortable as the wetness in the air intensifies the cold, leaving you yearning for warmth and shelter.
In North Ballston Spa 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 North Ballston Spa, you can visit Hourly UV Index in North Ballston Spa.
UV Risk Categories
Weather in North Ballston Spa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in North Ballston Spa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 81 mm (3.2 inches) | 89% | moderate |
| February Weather | -2°C (28°F) | 98 mm (3.8 inches) | 88% | moderate |
| March Weather | 1°C (35°F) | 82 mm (3.2 inches) | 86% | high |
| April Weather | 8°C (47°F) | 138 mm (5.4 inches) | 84% | very high |
| May Weather | 15°C (59°F) | 103 mm (4.0 inches) | 76% | very high |
| June Weather | 19°C (67°F) | 104 mm (4.1 inches) | 72% | very high |
| July Weather | 23°C (73°F) | 142 mm (5.6 inches) | 66% | very high |
| August Weather | 22°C (71°F) | 103 mm (4.1 inches) | 64% | very high |
| September Weather | 18°C (64°F) | 99 mm (3.9 inches) | 72% | high |
| October Weather | 12°C (53°F) | 158 mm (6.2 inches) | 81% | moderate |
| November Weather | 3°C (38°F) | 109 mm (4.3 inches) | 87% | moderate |
| December Weather | -1°C (30°F) | 110 mm (4.3 inches) | 84% | low |