Last updated: June 24, 2025
In December, the average temperature in Callaway, United States hovers around -1°C (30°F), with extremes ranging from a chilly -25°C (-12°F) to a surprisingly warm 21°C (70°F). Expect about 34 mm (1.3 in) of precipitation over 4 days, contributing to an average humidity of 78%. Whether bundled up or enjoying the rare warmer moments, be prepared for the varied climate of this unique location!
In December in Callaway, the average temperature is -1°C (30°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -25°C (-12°F). Make sure to pack both warm clothing and layers for potential warmer days if you're planning to visit.
In Callaway in December, the precipitation amount is 34 mm (1.3 in) over a span of 4 days.
In Callaway in December humidity is 78%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that seeps into your bones, making traveling outdoors a brisk challenge.
In Callaway 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 Callaway, you can check the information here.
UV Risk Categories
Weather in Callaway varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Callaway, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 17 mm (0.7 inches) | 73% | moderate |
| February Weather | -4°C (25°F) | 22 mm (0.9 inches) | 80% | moderate |
| March Weather | 4°C (39°F) | 72 mm (2.8 inches) | 64% | high |
| April Weather | 8°C (47°F) | 47 mm (1.9 inches) | 64% | very high |
| May Weather | 14°C (58°F) | 145 mm (5.7 inches) | 76% | very high |
| June Weather | 22°C (72°F) | 75 mm (2.9 inches) | 79% | extreme |
| July Weather | 24°C (76°F) | 88 mm (3.5 inches) | 77% | extreme |
| August Weather | 22°C (73°F) | 77 mm (3.0 inches) | 79% | very high |
| September Weather | 19°C (67°F) | 66 mm (2.6 inches) | 70% | very high |
| October Weather | 9°C (49°F) | 55 mm (2.2 inches) | 64% | high |
| November Weather | 4°C (39°F) | 25 mm (1.0 inches) | 75% | moderate |
| December Weather | -1°C (30°F) | 34 mm (1.3 inches) | 78% | moderate |