Last updated: June 24, 2025
In December, the average temperature in South Houston, United States is a comfortable 14°C (58°F). However, temperatures can vary significantly, with minimums plunging to -2°C (29°F) and maximums reaching as high as 28°C (83°F). Expect 111 mm (4.4 in) of precipitation over 9 days, accompanied by a humidity level averaging a steamy 84%.
In December in South Houston, the average temperature is 14°C (58°F). Maximum temperatures can reach up to 28°C (83°F), while minimum temperatures can drop as low as -2°C (29°F). This diverse range of temperatures makes South Houston a captivating destination for travelers seeking a variety of experiences.
In South Houston in December, the precipitation amount is 111 mm (4.4 in) over the course of 9 days.
In South Houston in December humidity is 84%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and damp, which can be uncomfortable for traveling.
In South Houston 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 South Houston.
UV Risk Categories
Weather in South Houston varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in South Houston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 91 mm (3.6 inches) | 78% | moderate |
| February Weather | 14°C (58°F) | 95 mm (3.8 inches) | 81% | very high |
| March Weather | 19°C (66°F) | 86 mm (3.4 inches) | 76% | very high |
| April Weather | 21°C (70°F) | 94 mm (3.7 inches) | 79% | extreme |
| May Weather | 25°C (77°F) | 176 mm (6.9 inches) | 79% | extreme |
| June Weather | 28°C (82°F) | 171 mm (6.7 inches) | 74% | extreme |
| July Weather | 28°C (83°F) | 146 mm (5.8 inches) | 71% | extreme |
| August Weather | 29°C (84°F) | 201 mm (7.9 inches) | 68% | extreme |
| September Weather | 27°C (80°F) | 202 mm (8.0 inches) | 73% | very high |
| October Weather | 22°C (73°F) | 104 mm (4.1 inches) | 75% | very high |
| November Weather | 17°C (63°F) | 82 mm (3.2 inches) | 78% | high |
| December Weather | 14°C (58°F) | 111 mm (4.4 inches) | 84% | moderate |