Last updated: June 24, 2025
In December in Hatfield, United States, the average temperature hovers around 0°C (33°F). You can expect the mercury to dip as low as -21°C (-5°F) and occasionally climb to a comfortable 17°C (63°F). Prepare for a wet season, with 119 mm (4.7 in) of precipitation over approximately 10 days. The air remains quite humid, with an average humidity level of 84%.
In December in Hatfield, the average temperature is 0°C (33°F). Maximum temperatures can reach 17°C (63°F), while minimum temperatures can drop as low as -21°C (-5°F). It's important to pack accordingly and prepare for a wide range of temperatures if you're planning to travel during this time.
In Hatfield in December, the total precipitation amount is 119 mm (4.7 in) over the span of 10 days.
In Hatfield in December humidity is 84%. With average temperature 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less enjoyable and travel plans challenging.
In Hatfield 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 Hatfield, you can visit Hourly UV Index in Hatfield.
UV Risk Categories
Weather in Hatfield varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hatfield, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 74 mm (2.9 inches) | 89% | moderate |
| February Weather | 0°C (32°F) | 91 mm (3.6 inches) | 88% | moderate |
| March Weather | 3°C (37°F) | 82 mm (3.2 inches) | 86% | high |
| April Weather | 9°C (48°F) | 130 mm (5.1 inches) | 84% | very high |
| May Weather | 15°C (59°F) | 99 mm (3.9 inches) | 76% | very high |
| June Weather | 20°C (69°F) | 78 mm (3.1 inches) | 72% | very high |
| July Weather | 23°C (74°F) | 144 mm (5.7 inches) | 66% | very high |
| August Weather | 23°C (73°F) | 81 mm (3.2 inches) | 64% | very high |
| September Weather | 19°C (66°F) | 97 mm (3.8 inches) | 72% | very high |
| October Weather | 13°C (55°F) | 142 mm (5.6 inches) | 81% | high |
| November Weather | 5°C (41°F) | 92 mm (3.6 inches) | 87% | moderate |
| December Weather | 0°C (33°F) | 119 mm (4.7 inches) | 84% | low |