Last updated: June 24, 2025
In West Hammond, United States, the average temperature in December hovers around -1°C (31°F). Expect lows of -19°C (-2°F) and highs reaching 16°C (61°F). During this month, precipitation totals approximately 29 mm (1.2 in) over about 5 days, accompanied by an average humidity of 85%.
In December in West Hammond, the average temperature is -1°C (31°F). Maximums can reach 16°C (61°F), while minimums can plummet to as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling during this time.
In West Hammond in December, the precipitation amount is 29 mm (1.2 in) over a period of 5 days.
In West Hammond in December, humidity is 85%. With an average temperature of -1°C (31°F), this humidity feels like an uncomfortable chill that makes any outdoor travel feel damp and biting, penetrating through layers of clothing and making each breath feel cold and heavy.
In West Hammond 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 West Hammond for better planning.
UV Risk Categories
Weather in West Hammond varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in West Hammond, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 30 mm (1.2 inches) | 85% | moderate |
| February Weather | 1°C (34°F) | 33 mm (1.3 inches) | 86% | high |
| March Weather | 6°C (43°F) | 42 mm (1.7 inches) | 76% | very high |
| April Weather | 12°C (54°F) | 14 mm (0.5 inches) | 69% | extreme |
| May Weather | 17°C (63°F) | 22 mm (0.9 inches) | 53% | extreme |
| June Weather | 24°C (75°F) | 8 mm (0.3 inches) | 40% | extreme |
| July Weather | 26°C (79°F) | 26 mm (1.0 inches) | 36% | extreme |
| August Weather | 25°C (77°F) | 10 mm (0.4 inches) | 44% | extreme |
| September Weather | 20°C (68°F) | 30 mm (1.2 inches) | 59% | very high |
| October Weather | 12°C (53°F) | 27 mm (1.1 inches) | 74% | very high |
| November Weather | 5°C (42°F) | 18 mm (0.7 inches) | 83% | moderate |
| December Weather | -1°C (31°F) | 29 mm (1.2 inches) | 85% | moderate |