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Seattle Weather in June

June in Seattle sees daytime temperatures around 21°C (70°F) and lows of 12°C (54°F) at night. The excellent weather makes it a good time to visit.

Rainfall in Seattle in June

Rain is expected on roughly 10 days, totalling around 39 mm (1.5 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Seattle in June

June is a good time to be in Seattle. Days are excellent, reaching 21°C (70°F), with nights around 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Seattle in June

The month enjoys around 269 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Seattle in June

June sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Seattle.

Seattle Temperature in June

Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
33%
Precipitation
39 mm (1.5 in)
Rainy days
10 days
Humidity
67%
Windspeed
4 m/s (8 knots)
Sunshine
269 hours
Percentage Sunshine
56%

Seattle Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Seattle - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Seattle typically stay consistent throughout June, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 13°C (55°F).

Average temperatures in June

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in June

Historical weather records for Seattle in June

Browse day-by-day weather records for Seattle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Seattle historical weather extremes in June

Based on weather observations in Seattle between 1976 and 2026, these are the recorded extremes during June.

  • The lowest daytime temperature in June was 11°C (52°F), recorded on June 5, 1980.
  • The lowest overnight temperature recorded in June was 6°C (43°F) (June 4, 1991).

Best Places in the United States of America in June

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Seattle in June

For Seattle in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Seattle in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Seattle 3-Day Forecast

Popular in June

Where to go in June - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.