Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
The average high-temperature in Fairfax, Virginia, mildly increases in June, edging from a warm 74.8°F (23.8°C) in May to a still moderately hot 82.9°F (28.3°C). During the nights in June, the temperature in Fairfax averages to a refreshing 63.5°F (17.5°C).Heat index
In June, the heat index is appraised at a tropical 89.6°F (32°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In Fairfax, the average relative humidity in June is 73%.Rainfall
In June, in Fairfax, the rain falls for 14.6 days. Throughout June, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Fairfax, there are 162 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
In Fairfax, Virginia, snow does not fall in May through October.Daylight
With an average of 14h and 48min of daylight, June has the longest days of the year in Fairfax.On the first day of June in Fairfax, sunrise is at 5:45 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in June in Fairfax is 10.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during June leads to these instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
How hot does it get in Fairfax in June?
What is the average humidity in June in Fairfax?
How much does it rain in Fairfax in June?
When it does not snow in Fairfax?
When are the longest days in Fairfax?
How many hours of daylight does Fairfax have in June?
When is the sunrise / sunset in June in Fairfax?
How long on average sun shines in June in Fairfax?
What are the months with the highest UV index in Fairfax?
What is the UV index reading in June in Fairfax?
Average temperature in June
Fairfax, VA
- Average high temperature in June: 82.9°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in June: 63.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in June
Fairfax, VA
- Average pressure in June: 29.95"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in June
Fairfax, VA
- Average wind speed in June: 5.5mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in June
Fairfax, VA
- Average humidity in June: 73%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in June
Fairfax, VA
- Average rainfall in June: 2.68"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in June
Fairfax, VA
- Average rainfall days in June: 14.6 days
The months with the highest number of rainy days are May and August (17.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in June
Fairfax, VA
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Fairfax, VA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Fairfax, VA
- Average daylight in June: 14h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in June
Fairfax, VA
- Average sunshine days in June: 13.2 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in June
Fairfax, VA
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Fairfax, VA
- Average cloud cover in June: 33
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in June
Fairfax, VA
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Fairfax, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
