Last updated: June 24, 2025
In December, the average temperature in Glencoe, United States is a pleasant 18°C (64°F), making it a great time to explore the area. Expect temperatures to range from a cool 2°C (36°F) to a warm 30°C (87°F). While you're enjoying the climate, be prepared for some rain, with an average precipitation of 79 mm (3.1 in) over about 8 days. Don't forget, the average humidity is quite high at 84%, so stay hydrated and enjoy your visit!
In December in Glencoe, the average temperature is 18°C (64°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 2°C (36°F). This climate makes Glencoe a great destination for travelers seeking a mix of comfortable warmth and cool evenings.
In Glencoe in December, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.
In Glencoe in December humidity is 84%. With an average temperature of 18°C (64°F), this humidity feels like there's a heavy blanket wrapping around you, making travel feel a bit sticky and muggy, potentially leading to fatigue if you're not prepared.
In Glencoe in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Glencoe.
UV Risk Categories
Weather in Glencoe varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Glencoe, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (62°F) | 39 mm (1.6 inches) | 83% | moderate |
| February Weather | 19°C (66°F) | 55 mm (2.2 inches) | 80% | very high |
| March Weather | 20°C (68°F) | 24 mm (0.9 inches) | 75% | very high |
| April Weather | 22°C (73°F) | 72 mm (2.8 inches) | 70% | extreme |
| May Weather | 25°C (77°F) | 112 mm (4.4 inches) | 68% | extreme |
| June Weather | 27°C (81°F) | 202 mm (8.0 inches) | 75% | extreme |
| July Weather | 28°C (82°F) | 219 mm (8.6 inches) | 79% | extreme |
| August Weather | 28°C (82°F) | 210 mm (8.3 inches) | 81% | extreme |
| September Weather | 27°C (81°F) | 170 mm (6.7 inches) | 83% | extreme |
| October Weather | 25°C (78°F) | 91 mm (3.6 inches) | 81% | very high |
| November Weather | 21°C (69°F) | 56 mm (2.2 inches) | 82% | high |
| December Weather | 18°C (64°F) | 79 mm (3.1 inches) | 84% | moderate |