Last updated: June 24, 2025
In Hamburg, United States, the average temperature in December hovers around 10°C (51°F). Expect a range from a brisk minimum of -5°C (23°F) to a pleasant maximum of 27°C (81°F). With an average precipitation of 130 mm (5.1 in) spread across 9 days, you might want to carry an umbrella, while the humidity lingers at a comfortable 88%. Stay prepared for a month of varied weather!
In December in Hamburg, the average temperature is 10°C (51°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -5°C (23°F). This variation in temperature makes Hamburg a destination where travelers should be prepared for both warm and cold weather.
In Hamburg in December, the precipitation amount is 130 mm (5.1 in) over the course of 9 days.
In Hamburg in December, humidity is 88%. With an average temperature of 10°C (51°F), this humidity feels like a thick blanket of moisture enveloping you, making every step feel heavier and leaving you yearning for a refreshing breeze as you navigate the streets.
In Hamburg 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 Hamburg for better planning.
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 | 8°C (47°F) | 115 mm (4.5 inches) | 84% | moderate |
| February Weather | 10°C (50°F) | 195 mm (7.7 inches) | 83% | high |
| March Weather | 15°C (60°F) | 172 mm (6.8 inches) | 80% | very high |
| April Weather | 18°C (64°F) | 170 mm (6.7 inches) | 82% | extreme |
| May Weather | 23°C (74°F) | 144 mm (5.7 inches) | 83% | extreme |
| June Weather | 26°C (80°F) | 135 mm (5.3 inches) | 80% | extreme |
| July Weather | 28°C (83°F) | 102 mm (4.0 inches) | 80% | extreme |
| August Weather | 27°C (82°F) | 100 mm (3.9 inches) | 75% | extreme |
| September Weather | 26°C (78°F) | 77 mm (3.0 inches) | 73% | very high |
| October Weather | 19°C (67°F) | 146 mm (5.8 inches) | 76% | very high |
| November Weather | 12°C (54°F) | 79 mm (3.1 inches) | 84% | high |
| December Weather | 10°C (51°F) | 130 mm (5.1 inches) | 88% | moderate |