Portland
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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.

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%

Portland Weather by Month

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

Best Places in the United States of America in July

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 July →

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 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

Portland 3-Day Forecast

Popular in July

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

Bucket list

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