Last updated: June 24, 2025
In December, the average temperature in Monroe City, United States hovers around 4°C (40°F). While temperatures can dip as low as -16°C (3°F), they can also reach a pleasant 21°C (71°F). Be prepared for 104 mm (4.1 in) of precipitation spread over 10 days, contributing to a high average humidity of 87%. Ideal for cozy indoor activities or enjoying the refreshing atmosphere!
In December in Monroe City, the average temperature is 4°C (40°F), with maximums reaching up to 21°C (71°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.
In Monroe City in December, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.
In Monroe City in December humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.
In Monroe City 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 Monroe City, you can check the information here.
UV Risk Categories
Weather in Monroe City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Monroe City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 91 mm (3.6 inches) | 87% | moderate |
| February Weather | 3°C (38°F) | 117 mm (4.6 inches) | 85% | moderate |
| March Weather | 8°C (48°F) | 147 mm (5.8 inches) | 86% | high |
| April Weather | 13°C (56°F) | 124 mm (4.9 inches) | 84% | very high |
| May Weather | 20°C (68°F) | 137 mm (5.4 inches) | 79% | very high |
| June Weather | 25°C (76°F) | 125 mm (4.9 inches) | 82% | extreme |
| July Weather | 26°C (80°F) | 77 mm (3.0 inches) | 79% | very high |
| August Weather | 25°C (77°F) | 89 mm (3.5 inches) | 70% | very high |
| September Weather | 22°C (73°F) | 77 mm (3.0 inches) | 69% | very high |
| October Weather | 16°C (61°F) | 105 mm (4.1 inches) | 76% | high |
| November Weather | 7°C (45°F) | 98 mm (3.8 inches) | 88% | moderate |
| December Weather | 4°C (40°F) | 104 mm (4.1 inches) | 87% | moderate |