Last updated: June 24, 2025
In December, the average temperature in Corn, United States hovers around 6°C (43°F), with extreme variations possible – dipping as low as -10°C (14°F) and soaring up to 28°C (82°F). With an average precipitation of 29 mm (1.1 in) spread across 2 days, you can expect a fair bit of moisture in the air, contributing to a high average humidity of 84%.
In December in Corn, the average temperature is 6°C (43°F). The maximum can reach 28°C (82°F), and the minimum can be as low as -10°C (14°F). This means travelers should be prepared for a wide range of temperatures, offering both opportunities for warm outdoor activities and the chance to experience colder conditions.
In Corn in December, the precipitation amount is 29 mm (1.1 in) over the course of 2 days.
In Corn in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.
In Corn in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Corn for better planning.
UV Risk Categories
Weather in Corn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Corn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 33 mm (1.3 inches) | 76% | moderate |
| February Weather | 4°C (39°F) | 30 mm (1.2 inches) | 76% | high |
| March Weather | 11°C (53°F) | 69 mm (2.7 inches) | 70% | very high |
| April Weather | 15°C (59°F) | 87 mm (3.4 inches) | 72% | very high |
| May Weather | 20°C (69°F) | 134 mm (5.3 inches) | 82% | extreme |
| June Weather | 26°C (79°F) | 86 mm (3.4 inches) | 82% | extreme |
| July Weather | 28°C (83°F) | 44 mm (1.7 inches) | 80% | extreme |
| August Weather | 27°C (81°F) | 46 mm (1.8 inches) | 72% | extreme |
| September Weather | 24°C (75°F) | 60 mm (2.4 inches) | 64% | very high |
| October Weather | 16°C (61°F) | 72 mm (2.8 inches) | 71% | high |
| November Weather | 9°C (49°F) | 21 mm (0.8 inches) | 81% | moderate |
| December Weather | 6°C (43°F) | 29 mm (1.1 inches) | 84% | moderate |