Last updated: March 2, 2024
The weather in Westmont, United States, during January is characterized by an average temperature of -2°C (28°F). Highs can soar to 14°C (58°F), while lows may dip to -19°C (-3°F). Typically, the humidity level in Westmont throughout January hovers around 89%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Westmont averages 91 mm (3.6 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 9 hours 40 minutes of daylight, with the sun shining for approximately 3 hours 30 minutes each day. Additionally, there is a 24% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In January, the UV Index in Westmont reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||