Last updated: June 24, 2025
In Hamburg, United States, the average temperature in December hovers around -5°C (23°F). However, temperatures can dip as low as -25°C (-13°F) or rise to a maximum of 13°C (56°F). Expect a total precipitation of 42 mm (1.7 in) spread across 6 days, contributing to an average humidity of 84%. Stay warm and prepared for the chilly, damp weather!
In December in Hamburg, the average temperature is -5°C (23°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -25°C (-13°F). Be prepared for a significant range in temperatures and dress accordingly for your travels.
In Hamburg in December, the total precipitation amount is 42 mm (1.7 in) spread over 6 days.
In Hamburg in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.
In Hamburg 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 Hamburg, you can visit Hourly UV Index in Hamburg.
UV Risk Categories
Weather in Hamburg varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hamburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 27 mm (1.1 inches) | 87% | moderate |
| February Weather | -9°C (16°F) | 29 mm (1.2 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 59 mm (2.3 inches) | 85% | moderate |
| April Weather | 6°C (43°F) | 80 mm (3.1 inches) | 84% | high |
| May Weather | 15°C (59°F) | 122 mm (4.8 inches) | 78% | very high |
| June Weather | 22°C (72°F) | 91 mm (3.6 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 107 mm (4.2 inches) | 81% | very high |
| August Weather | 21°C (71°F) | 150 mm (5.9 inches) | 81% | very high |
| September Weather | 18°C (64°F) | 111 mm (4.4 inches) | 81% | high |
| October Weather | 9°C (48°F) | 95 mm (3.8 inches) | 84% | moderate |
| November Weather | 1°C (34°F) | 32 mm (1.2 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 42 mm (1.7 inches) | 84% | low |