Portland Weather in July

July in Portland averages 26°C (79°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 121 mm (4.8 in) on average. An umbrella is a good idea.

Rainfall in Portland in July

Analyzing past climate data, one can expect approximately 12 days of rain, averaging 121 mm (4.8 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Portland in July

Daytime highs in Portland in July reach 26°C (79°F), with nights around 17°C (63°F). July is part of the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Sunshine in Portland in July

The month enjoys around 278 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in July

At 16°C (61°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Portland.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.

Portland Temperature in July

Min Temperature 17°C (63°F)  

Max Temperature 26°C (79°F)  

Water Temperature 16°C (61°F)  

Chance of Rain 40%  

Precipitation 121 mm (4.8 in)  

Rainy days 12 days  

Humidity 75%  

Sunshine 278 hours  

Percentage Sunshine 60%  

What to Wear in Portland in July

Warm but pleasant conditions in Portland in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 16°C (61°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Portland in July

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.

More climate data for Portland

Temperature Rainfall Sunshine Humidity Water Temp

See the full Portland climate overview or explore weather in the United States of America.