June Weather in Fairfax

Last updated: March 2, 2024

The weather in Fairfax, United States, during June is characterized by an average temperature of 17°C (63°F). Highs can soar to 29°C (85°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Fairfax throughout June hovers around 84%.

11°C (52°F)

Minimum temperature

17°C (63°F)

Average temperature

29°C (85°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In June, Fairfax averages 2 mm (0.1 inches) of rainfall, typically over the course of 0 rainy days. The month enjoys an average of 14 hours 44 minutes of daylight, with the sun shining for approximately 12 hours 36 minutes each day. Additionally, there is a 65% probability of sunny days during this period.

2 mm (0.1 inches)

Precipitation

0 rainy days

Rainy days

12 hours 36 minutes

Sunshine hours

65%

Chance of sun

UV Index

In June, the UV Index in Fairfax reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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 2 4 6 8 10 11 11 9 6 4 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Fairfax's Climate with Cities Worldwide