Last updated: March 2, 2024
The weather in Groton Long Point, United States, during December is characterized by an average temperature of 4°C (40°F). Highs can soar to 15°C (59°F), while lows may dip to -6°C (21°F). Typically, the humidity level in Groton Long Point throughout December hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In December, Groton Long Point averages 141 mm (5.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 9 hours 13 minutes of daylight, with the sun shining for approximately 5 hours 39 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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Chance of sun
In December, the UV Index in Groton Long Point reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 10:00 and 12:00, during which unprotected skin may burn in as little as 45 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||