June Weather in Fairfax

Last updated: March 2, 2024

The weather in Fairfax, United States, during June is characterized by an average temperature of 25°C (77°F). Highs can soar to 35°C (95°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Fairfax throughout June hovers around 82%.

13°C (56°F)

Minimum temperature

25°C (77°F)

Average temperature

35°C (95°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In June, Fairfax averages 119 mm (4.7 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 14 hours 59 minutes of daylight, with the sun shining for approximately 11 hours 40 minutes each day. Additionally, there is a 56% probability of sunny days during this period.

119 mm (4.7 inches)

Precipitation

9 rainy days

Rainy days

11 hours 40 minutes

Sunshine hours

56%

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	3	5	8	10	11	10	9	7	4	2	1
Exposure	Low		Moderate		VeryHigh		Extreme	VeryHigh		High	Moderate	Low
Time to burn	45 min		30 min		15 min		10 min	15 min		25 min	30 min	45 min