Sea Temperature in Seattle in June

Complete information on the sea temperature range in the Salish Sea in Seattle in June. Historical daily data. Climate details for June. Tips on swimming conditions and beach relaxation in Seattle. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Seattle in June

48°F

MINIMUN

54°F

AVERAGE

59°F

MAXIMUM

Historical Data of Water Temperature in June in Seattle

Water Temperature Chart for Salish Sea in Seattle in June

Sea Temperature Table in Seattle in June Over the Past Years

Day	2024	2023	2022	Average
Jun 1	52°C	54°C	55°C	52°C
Jun 2	52°C	54°C	52°C	52°C
Jun 3	52°C	54°C	54°C	52°C
Jun 4	54°C	52°C	55°C	53°C
Jun 5	52°C	52°C	54°C	52°C
Jun 6	52°C	54°C	57°C	53°C
Jun 7	52°C	54°C	52°C	52°C
Jun 8	52°C	52°C	52°C	51°C
Jun 9	52°C	54°C	54°C	53°C
Jun 10	54°C	52°C	57°C	54°C
Jun 11	52°C	54°C	59°C	54°C
Jun 12	52°C	52°C	57°C	53°C
Jun 13	52°C	54°C	52°C	52°C
Jun 14	52°C	54°C	54°C	53°C
Jun 15	54°C	54°C	52°C	53°C
Jun 16	54°C	54°C	54°C	53°C
Jun 17	54°C	54°C	52°C	53°C
Jun 18	55°C	54°C	54°C	54°C
Jun 19	54°C	55°C	55°C	54°C
Jun 20	55°C	55°C	52°C	54°C
Jun 21	55°C	55°C	57°C	55°C
Jun 22	55°C	55°C	52°C	53°C
Jun 23	55°C	59°C	52°C	54°C
Jun 24	55°C	59°C	52°C	55°C
Jun 25	55°C	55°C	59°C	55°C
Jun 26	55°C	55°C	55°C	54°C
Jun 27	55°C	55°C	52°C	54°C
Jun 28	55°C	55°C	57°C	55°C
Jun 29	55°C	54°C	55°C	54°C

Seattle Climate and Swimming Opportunities in June

70°F

Average Day Air Temperature

52°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

9 days

Number of Rainy Days

16 hrs

Daylight
per Day

9 hrs

Sunshine
per Day

7 mph

Average Wind Speed

69%

Average
humidity

Seattle lies within the Washington in United States. The average daytime temperature in Seattle in June is 70°F (21°C), while the nighttime average is 51°F (11°C). There are typically nine rainy days during the month, with a total precipitation of 1.6 inches (42 mm). The daylight duration in June in Seattle is 16 hours, with an average of 9 hours of sunshine per day. The average wind speed in June is 7 mph (12 km/h), and the humidity level is around 69%.

The water temperature in Seattle in June ranges from 50°F to 55°F (10°C to 13°C). At the beginning of the month, the average temperature is around 52°F (11°C), shifting to 54°F (12°C) by mid-June and reaching 54°F (12°C) in the last ten days. Overall, the average sea temperature in Seattle for June is 54°F (12°C). The contrast between cool water and warm air makes for a refreshing swim. A great choice for those who enjoy invigorating dips.

Sea Temperature in June in Nearby Cities

Frequently Asked Questions About Water Temperatures in June in Seattle

What is the sea temperature in Seattle in June?

The water temperature in the Salish Sea in Seattle in June ranges from 50°F to 55°F (10°C to 13°C).

Is it possible to swim in the Salish Sea in Seattle in June?

The average sea temperature in Seattle in June is 54°F (12°C), and the air temperature is 70°F (21°C), so the contrast between cool water and warm air makes for a refreshing swim. A great choice for those who enjoy invigorating dips.