Last updated: June 24, 2025
In December, the average temperature in Karnes City, United States is a comfortable 14°C (58°F). However, brace yourself for a considerable range, as temperatures can dip to a chilly -3°C (27°F) or soar to a warm 32°C (89°F). Expect some rain, with an average precipitation of 49 mm (1.9 in) spread over 6 days. Coupled with an average humidity of 86%, it's a time of year that offers a unique blend of weather experiences!
In December in Karnes City, the average temperature is 14°C (58°F). The maximum can reach 32°C (89°F), while the minimum can drop as low as -3°C (27°F). Be prepared for a wide range of temperatures when traveling to Karnes City during this month, ensuring you pack accordingly.
In Karnes City in December, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.
In Karnes City in December, humidity is 86%. With an average temperature of 14°C (58°F), this humidity feels like traveling in a warm, sticky embrace that can make outdoor adventures a bit heavy and sweat-inducing, so it's wise to stay hydrated and take frequent breaks in the shade.
In Karnes City 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 Karnes City.
UV Risk Categories
Weather in Karnes City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Karnes City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 36 mm (1.4 inches) | 79% | moderate |
| February Weather | 14°C (58°F) | 49 mm (1.9 inches) | 79% | very high |
| March Weather | 19°C (67°F) | 49 mm (1.9 inches) | 74% | very high |
| April Weather | 22°C (72°F) | 58 mm (2.3 inches) | 76% | extreme |
| May Weather | 26°C (80°F) | 101 mm (4.0 inches) | 81% | extreme |
| June Weather | 29°C (84°F) | 85 mm (3.3 inches) | 76% | extreme |
| July Weather | 30°C (86°F) | 80 mm (3.1 inches) | 66% | extreme |
| August Weather | 30°C (87°F) | 69 mm (2.7 inches) | 58% | extreme |
| September Weather | 28°C (82°F) | 99 mm (3.9 inches) | 65% | extreme |
| October Weather | 23°C (74°F) | 64 mm (2.5 inches) | 74% | very high |
| November Weather | 17°C (64°F) | 52 mm (2.0 inches) | 81% | high |
| December Weather | 14°C (58°F) | 49 mm (1.9 inches) | 86% | moderate |