Temperatures in June
It's warm in June in Seattle with an average temperature of 23°C. Temperatures this month range from a low of 19°C to a high of 27°C. At night, you can expect temperatures between 12°C and 16°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Seattle in June. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of June
The month of June starts in Seattle with warm temperatures, averaging around 22°C during the day and nights close to 13°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-June
By mid-June, the average daytime temperature stays the same at 22°C, with nights close to 13°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of June
By the end of June, the average daytime temperature in Seattle will be around 25°C, with nights close to 15°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Water temperature
The water temperature at Seattle is 20°C this month. Refreshing if you fancy a swim.
Precipitation in June
In June, there is an average of 25 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the West.
The precipitation chance averages 19% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in June for Seattle. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Seattle in June |
London | ||
|---|---|---|---|
 Average Temperature |
23°C | 22°C | |
 High Temp |
27°C | 24°C | |
| Low Temp |
19°C | 18°C | |
 Total Precipitation |
25 mm | 57 mm | |
| Rainy Days |
6 days | 10 days | |
May
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is June a good time to visit Seattle?
Want nice weather? Then June is a great time to be in Seattle. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Seattle in June
With 41°C, Seattle hit the highest temperature in the last 10 years in June 2021. The lowest daytime temperature in this month was 13°C in 2021. The extreme night temperatures ranged from a low of 7°C to a high of 25°C.
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Daily Temperature in June in Seattle
This chart shows the average daily temperatures, both day and night, for each day in June in Seattle, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in June in Seattle
The chart below shows the average daily precipitation in June for Seattle, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for June, you can expect around 6 days of rain in Seattle.
Daily UV Index in June in Seattle
This chart shows the average daily UV index in June in Seattle, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in June in Seattle Over the Years
This chart shows the average temperature in June in Seattle, measured in degrees Celsius, over the past years.
Total Precipitation in June in Seattle Over the Years
This chart shows the average precipitation in June in Seattle, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in June for Seattle
Click on a specific day in June for detailed info on the typical weather on that day in Seattle. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in June in Seattle
Have you been to Seattle in June?
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Average Weather in Seattle by Month
Click on a month below to see detailed weather info for Seattle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
