Last updated: March 2, 2024
The weather in Fairfax, United States, during March is characterized by an average temperature of 12°C (54°F). Highs can soar to 22°C (72°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Fairfax throughout March hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In March, Fairfax averages 80 mm (3.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 59 minutes of daylight, with the sun shining for approximately 8 hours 29 minutes each day. Additionally, there is a 63% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In March, the UV Index in Fairfax reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 2 | 4 | 5 | 7 | 8 | 7 | 6 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||