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 sea temperature 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
Seattle's entry into June measures an average high-temperature of an agreeable 69.1°F (20.6°C), closely parallel to the preceding month. Seattle encounters an average low-temperature of 48.4°F (9.1°C) during June nights.Humidity
In June, the average relative humidity is 73%.Rainfall
In June, the rain falls for 5.4 days. Throughout June, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 84.2 rainfall days, and 5.2" (132mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall.Ocean temperature
In June, the average ocean temperature is 47.7°F (8.7°C).Note: Taking a dip in 47.7°F (8.7°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
Daylight
The month with the longest days is June, with an average of 15h and 54min of daylight.On the first day of June in Seattle, sunrise is at 5:14 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 9:10 pm PDT.
Sunshine
The average sunshine in June is 9.4h.UV index
In June, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 in June translates into these instructions:
Guard yourself - Avoiding sunburn is suggested. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
What is the ocean temperature in June in Seattle?
When are the longest days?
What is the average length of the day in June?
What time are sunrise and sunset in June?
How long on average sun shines in June?
What is the UV index intensity in June?
Average temperature in June
Seattle, WA
- Average high temperature in June: 69.1°F
The warmest month (with the highest average high temperature) is August (76.3°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in June: 48.4°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.1°F).
Average pressure in June
Seattle, WA
- Average pressure in June: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in June
Seattle, WA
- Average wind speed in June: 3.9mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in June
Seattle, WA
- Average humidity in June: 73%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in June
Seattle, WA
- Average rainfall in June: 0.24"
The wettest month (with the highest rainfall) is December (0.87").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in June
Seattle, WA
- Average rainfall days in June: 5.4 days
The month with the highest number of rainy days is November (9.1 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in June
Seattle, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in June
Seattle, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in June
Seattle, WA
- Average sea temperature in June: 47.6°F
The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in June /
Average sunshine in June
Seattle, WA
- Average daylight in June: 15h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in June: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in June
Seattle, WA
- Average sunshine days in June: 21.8 days
The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is November (16.8 days).
Average UV index in June
Seattle, WA
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Seattle, WA
- Average cloud cover in June: 42
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in June
Seattle, WA
- Average visibility in June: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Seattle, Washington, USA
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