Last updated: June 24, 2025
In December, the average temperature in Morning Sun, United States hovers around 1°C (33°F). Be prepared for a wide range, as temperatures can drop as low as -22°C (-7°F) or rise to a balmy 22°C (72°F). Expect 47 mm (1.8 in) of precipitation spread over approximately 5 days, contributing to an average humidity of 84%. Stay cozy and enjoy the unique climate!
In December in Morning Sun, the average temperature is 1°C (33°F). Maximums can reach 22°C (72°F) and minimums can be as low as -22°C (-7°F). This wide range of temperatures makes Morning Sun an exciting destination for travelers seeking both winter and spring experiences.
In Morning Sun in December, the total precipitation amount is 47 mm (1.8 in) over the course of 5 days.
In Morning Sun in December humidity is 84%. With an average temperature of 1°C (33°F), this humidity feels like an icy blanket, making travel uncomfortable and breathless as the frigid air clings to your skin and dampens your clothes.
In Morning Sun in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Morning Sun, you can visit Hourly UV Index in Morning Sun.
UV Risk Categories
Weather in Morning Sun varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Morning Sun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 54 mm (2.1 inches) | 81% | moderate |
| February Weather | -3°C (28°F) | 60 mm (2.4 inches) | 81% | moderate |
| March Weather | 5°C (42°F) | 95 mm (3.7 inches) | 81% | high |
| April Weather | 10°C (51°F) | 88 mm (3.5 inches) | 82% | very high |
| May Weather | 18°C (64°F) | 166 mm (6.5 inches) | 78% | very high |
| June Weather | 24°C (75°F) | 141 mm (5.5 inches) | 81% | extreme |
| July Weather | 25°C (78°F) | 74 mm (2.9 inches) | 79% | very high |
| August Weather | 24°C (75°F) | 71 mm (2.8 inches) | 77% | very high |
| September Weather | 21°C (70°F) | 104 mm (4.1 inches) | 78% | very high |
| October Weather | 13°C (55°F) | 130 mm (5.1 inches) | 78% | high |
| November Weather | 4°C (40°F) | 51 mm (2.0 inches) | 87% | moderate |
| December Weather | 1°C (33°F) | 47 mm (1.8 inches) | 84% | low |