Last updated: March 2, 2024
The weather in Boulder, United States, during February is characterized by an average temperature of -9°C (16°F). Highs can soar to 6°C (43°F), while lows may dip to -27°C (-16°F). Typically, the humidity level in Boulder throughout February hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In February, Boulder averages 55 mm (2.2 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 10 hours 21 minutes of daylight, with the sun shining for approximately 6 hours 9 minutes each day. Additionally, there is a 26% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In February, the UV Index in Boulder reaches a maximum of 4, 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 | 4 | 4 | 4 | 4 | 3 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||