Last updated: June 24, 2025
In December, the average temperature in Hartford City, United States is a brisk 4°C (40°F). Expect a chilling minimum of -13°C (9°F), while the maximum can reach a mild 20°C (68°F). With an average precipitation of 119 mm (4.7 in) spread over 11 days, and humidity levels hovering around 86%, make sure to prepare for both rain and cold!
In December in Hartford City, the average temperature is 4°C (40°F). Maximums can reach 20°C (68°F) and minimums can be as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Hartford City in December, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.
In Hartford City in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.
In Hartford 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 Hartford City, you can check the information here.
UV Risk Categories
Weather in Hartford City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hartford City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 91 mm (3.6 inches) | 88% | moderate |
| February Weather | 4°C (39°F) | 131 mm (5.1 inches) | 88% | moderate |
| March Weather | 8°C (46°F) | 109 mm (4.3 inches) | 88% | high |
| April Weather | 13°C (55°F) | 138 mm (5.4 inches) | 86% | very high |
| May Weather | 19°C (66°F) | 141 mm (5.5 inches) | 82% | very high |
| June Weather | 23°C (73°F) | 152 mm (6.0 inches) | 84% | very high |
| July Weather | 25°C (78°F) | 111 mm (4.4 inches) | 82% | very high |
| August Weather | 24°C (75°F) | 123 mm (4.8 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 106 mm (4.2 inches) | 73% | very high |
| October Weather | 15°C (60°F) | 108 mm (4.3 inches) | 81% | high |
| November Weather | 7°C (45°F) | 80 mm (3.2 inches) | 89% | moderate |
| December Weather | 4°C (40°F) | 119 mm (4.7 inches) | 86% | moderate |