Last updated: June 24, 2025
In Saint Ansgar, United States, the average temperature in December hovers around -3°C (26°F). Be prepared for the extremes, as temperatures can plunge to a chilling -23°C (-9°F) or rise to a surprising 19°C (67°F). While you’re enjoying the crisp air, expect about 35 mm (1.4 in) of precipitation over 5 days, contributing to an average humidity level of 83%. Stay warm and dry!
In December in Saint Ansgar, the average temperature is -3°C (26°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -23°C (-9°F). Be prepared for chilly weather and substantial fluctuations in temperature if you plan to travel during this time.
In Saint Ansgar in December, the precipitation amount is 35 mm (1.4 in) over a span of 5 days.
In Saint Ansgar in December, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.
In Saint Ansgar in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Saint Ansgar, you can check the information here.
UV Risk Categories
Weather in Saint Ansgar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint Ansgar, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 36 mm (1.4 inches) | 82% | moderate |
| February Weather | -8°C (17°F) | 46 mm (1.8 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 69 mm (2.7 inches) | 80% | moderate |
| April Weather | 7°C (45°F) | 79 mm (3.1 inches) | 81% | very high |
| May Weather | 15°C (60°F) | 153 mm (6.0 inches) | 74% | very high |
| June Weather | 22°C (71°F) | 133 mm (5.3 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 93 mm (3.7 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 108 mm (4.3 inches) | 77% | very high |
| September Weather | 18°C (65°F) | 112 mm (4.4 inches) | 75% | very high |
| October Weather | 9°C (49°F) | 108 mm (4.3 inches) | 80% | moderate |
| November Weather | 1°C (34°F) | 48 mm (1.9 inches) | 87% | moderate |
| December Weather | -3°C (26°F) | 35 mm (1.4 inches) | 83% | moderate |