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
June's arrival brings an average high-temperature of a comfortable 17.7°C (63.9°F), slightly deviating from May's 15.7°C (60.3°F). Mount Vernon, in the month of June, anticipates a consistent average low-temperature of 9.6°C (49.3°F).Humidity
In June, the average relative humidity is 77%.Rainfall
In Mount Vernon, Washington, in June, it is raining for 12.4 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 185.2 rainfall days, and 882mm (34.72") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
June has the longest days of the year, with an average of 16h and 0min of daylight.On the first day of June in Mount Vernon, sunrise is at 5:11 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:14 pm PDT.
Sunshine
The average sunshine in June is 9.2h.UV index
The average daily maximum UV index in June is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In June, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mount Vernon in June?
What is the average humidity in June?
How much does it rain in Mount Vernon in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Mount Vernon have in June?
What time are sunrise and sunset in June?
How many hours of sunshine does Mount Vernon have in June?
What is the UV index intensity in June?
Average temperature in June
Mount Vernon, WA
- Average high temperature in June: 17.7°C
The warmest months (with the highest average high temperature) are July and August (20.2°C).
The month with the lowest average high temperature is December (5.9°C).
- Average low temperature in June: 9.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in June
Mount Vernon, WA
- Average pressure in June: 1016.5mbar
The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is March (1016.1mbar).
Average wind speed in June
Mount Vernon, WA
- Average wind speed in June: 7.1km/h
The windiest month (with the highest average wind speed) is November (12.1km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in June
Mount Vernon, WA
- Average humidity in June: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is July (75%).
Average rainfall in June
Mount Vernon, WA
- Average rainfall in June: 39mm
The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (16mm).
Average rainfall days in June
Mount Vernon, WA
- Average rainfall days in June: 12.4 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in June
Mount Vernon, WA
- Average snowfall in June: 0mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in June
Mount Vernon, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.6 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
Mount Vernon, WA
- Average daylight in June: 16h and 0min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in June: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in June
Mount Vernon, WA
- Average sunshine days in June: 15 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in June
Mount Vernon, WA
- Average UV index in June: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Mount Vernon, WA
- Average cloud cover in June: 42
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in June
Mount Vernon, WA
- Average visibility in June: 9km
The month with the highest visibility is July (10km).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
Mount Vernon, Washington, USA
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