Last updated: March 2, 2024
The weather in South Yarmouth, United States, during January is characterized by an average temperature of 2°C (36°F). Highs can soar to 11°C (52°F), while lows may dip to -10°C (14°F). Typically, the humidity level in South Yarmouth throughout January hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, South Yarmouth averages 94 mm (3.7 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 31 minutes of daylight, with the sun shining for approximately 4 hours 34 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in South Yarmouth reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||