Last updated: June 24, 2025
In December, the average temperature in Rising Sun, United States is a chilly 4°C (39°F), with temperatures ranging from a brisk -11°C (12°F) to a mild 18°C (65°F). Expect 104 mm (4.1 in) of precipitation over 9 days, and humidity levels averaging a damp 84%. Prepare accordingly for this often unpredictable weather!
In December in Rising Sun, the average temperature is 4°C (39°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -11°C (12°F). It's advisable to pack warm clothing while also being prepared for occasional milder days during your travels.
In Rising Sun in December, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.
In Rising Sun in December, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.
In Rising Sun 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 Rising Sun, you can check the information here.
UV Risk Categories
Weather in Rising Sun varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rising Sun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 65 mm (2.6 inches) | 84% | moderate |
| February Weather | 3°C (38°F) | 103 mm (4.1 inches) | 83% | moderate |
| March Weather | 7°C (44°F) | 102 mm (4.0 inches) | 83% | high |
| April Weather | 12°C (54°F) | 106 mm (4.2 inches) | 81% | very high |
| May Weather | 18°C (64°F) | 136 mm (5.4 inches) | 78% | very high |
| June Weather | 23°C (73°F) | 106 mm (4.2 inches) | 79% | very high |
| July Weather | 26°C (79°F) | 138 mm (5.4 inches) | 74% | very high |
| August Weather | 24°C (76°F) | 133 mm (5.2 inches) | 72% | very high |
| September Weather | 21°C (70°F) | 110 mm (4.3 inches) | 75% | very high |
| October Weather | 16°C (61°F) | 105 mm (4.1 inches) | 81% | high |
| November Weather | 8°C (46°F) | 86 mm (3.4 inches) | 85% | moderate |
| December Weather | 4°C (39°F) | 104 mm (4.1 inches) | 84% | moderate |