Last updated: June 24, 2025
In December, the average temperature in Story City, United States hovers around -2°C (29°F), with extremes ranging from a chilly -23°C (-9°F) to a warm 22°C (72°F). Expect approximately 35 mm (1.4 in) of precipitation over 5 days, contributing to an average humidity of 83%. Be prepared for a mix of winter crispness and occasional warmth!
In December in Story City, the average temperature is -2°C (29°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -23°C (-9°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Story City in December, the precipitation amount is 35 mm (1.4 in) over a span of 5 days.
In Story City in December, humidity is 83%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making travel outside feel particularly uncomfortable and brisk, as the damp air enhances the cold sensation, leaving you longing for warmth and shelter.
In Story City 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 Story City, you can check the information here.
UV Risk Categories
Weather in Story City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Story City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 35 mm (1.4 inches) | 82% | moderate |
| February Weather | -6°C (21°F) | 44 mm (1.7 inches) | 84% | moderate |
| March Weather | 3°C (38°F) | 71 mm (2.8 inches) | 80% | moderate |
| April Weather | 9°C (48°F) | 79 mm (3.1 inches) | 81% | very high |
| May Weather | 16°C (61°F) | 160 mm (6.3 inches) | 74% | very high |
| June Weather | 23°C (74°F) | 110 mm (4.3 inches) | 80% | extreme |
| July Weather | 24°C (76°F) | 88 mm (3.5 inches) | 80% | very high |
| August Weather | 22°C (73°F) | 77 mm (3.0 inches) | 77% | very high |
| September Weather | 19°C (67°F) | 122 mm (4.8 inches) | 75% | very high |
| October Weather | 11°C (51°F) | 126 mm (5.0 inches) | 80% | high |
| November Weather | 3°C (37°F) | 42 mm (1.7 inches) | 87% | moderate |
| December Weather | -2°C (29°F) | 35 mm (1.4 inches) | 83% | moderate |