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
Entering June, Herndon notices a subtle temperature elevation, with the average high-temperature advancing from May's pleasant 72.1°F (22.3°C) to a moderately hot 79.3°F (26.3°C). Despite the stark contrast with daytime temperatures, Herndon's June nights average at a moderate 56.7°F (13.7°C).Humidity
The months with the lowest humidity in Herndon are June through August and November, with an average relative humidity of 77%.Rainfall
In June, in Herndon, the rain falls for 17.3 days. Throughout June, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Herndon, there are 180.7 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
June has the longest days of the year, with an average of 14h and 42min of daylight.On the first day of June in Herndon, sunrise is at 6:05 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:50 pm EDT.
Sunshine
The average sunshine in June in Herndon is 10h.UV index
June and August, with an average maximum UV index of 6, are months with the highest UV index in Herndon. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In June, the maximum UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are the temperatures in Herndon in June?
What are the least humid months in Herndon?
What is the average humidity in June in Herndon?
How much does it rain in Herndon in June?
When it does not snow in Herndon?
Does it snow in Herndon in June?
When are the longest days in Herndon?
What is the average length of the day in June in Herndon?
What time are sunrise and sunset in June in Herndon?
How many hours of sunshine does Herndon have in June?
When is the highest UV index in Herndon?
What is the UV index reading in June in Herndon?
Average temperature in June
Herndon, WV
- Average high temperature in June: 79.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in June: 56.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in June
Herndon, WV
- Average pressure in June: 29.99"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in June
Herndon, WV
- Average wind speed in June: 5.2mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in June
Herndon, WV
- Average humidity in June: 77%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in June
Herndon, WV
- Average rainfall in June: 2.56"
The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in June
Herndon, WV
- Average rainfall days in June: 17.3 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in June
Herndon, WV
- Average snowfall in June: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Herndon, WV
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Herndon, WV
- Average daylight in June: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in June
Herndon, WV
- Average sunshine days in June: 10.8 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in June
Herndon, WV
- Average UV index in June: 6
The months with the highest UV index are June 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
Herndon, WV
- Average cloud cover in June: 37
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in June
Herndon, WV
- Average visibility in June: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Herndon, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
