March Weather in Fairfax

Last updated: March 2, 2024

The weather in Fairfax, United States, during March is characterized by an average temperature of 7°C (44°F). Highs can soar to 25°C (77°F), while lows may dip to -10°C (14°F). Typically, the humidity level in Fairfax throughout March hovers around 73%.

-10°C (14°F)

Minimum temperature

7°C (44°F)

Average temperature

25°C (77°F)

Maximum temperature

73%

Humidity

Precipitation and Sunshine hours

In March, Fairfax averages 92 mm (3.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 58 minutes of daylight, with the sun shining for approximately 6 hours 56 minutes each day. Additionally, there is a 50% probability of sunny days during this period.

92 mm (3.6 inches)

Precipitation

10 rainy days

Rainy days

6 hours 56 minutes

Sunshine hours

50%

Chance of sun

UV Index

In March, the UV Index in Fairfax reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 3 4 5 6 6 5 3 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Fairfax's Climate with Cities Worldwide