Last updated: June 24, 2025
In Anna, United States, the average temperature in December hovers around 5°C (42°F). Be prepared for a temperature range that can dip as low as -14°C (7°F) and soar to a pleasant 23°C (73°F). Expect about 87 mm (3.4 in) of precipitation over approximately 8 days, contributing to the high average humidity of 88%.
In December in Anna, the average temperature is 5°C (42°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as -14°C (7°F). This wide temperature range suggests that travelers should be prepared for both mild and cold conditions during their visit.
In Anna in December, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.
In Anna in December humidity is 88%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less appealing and leading you to seek warmth indoors instead.
In Anna 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 Anna, you can check the information here.
UV Risk Categories
Weather in Anna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Anna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 102 mm (4.0 inches) | 86% | moderate |
| February Weather | 4°C (39°F) | 123 mm (4.8 inches) | 84% | moderate |
| March Weather | 9°C (49°F) | 155 mm (6.1 inches) | 84% | high |
| April Weather | 14°C (57°F) | 143 mm (5.6 inches) | 80% | very high |
| May Weather | 20°C (68°F) | 148 mm (5.8 inches) | 82% | extreme |
| June Weather | 25°C (77°F) | 100 mm (3.9 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 96 mm (3.8 inches) | 79% | very high |
| August Weather | 25°C (77°F) | 96 mm (3.8 inches) | 76% | very high |
| September Weather | 23°C (73°F) | 72 mm (2.9 inches) | 75% | very high |
| October Weather | 16°C (61°F) | 129 mm (5.1 inches) | 74% | high |
| November Weather | 8°C (46°F) | 96 mm (3.8 inches) | 85% | moderate |
| December Weather | 5°C (42°F) | 87 mm (3.4 inches) | 88% | moderate |