City break

Portland, Oregon weather in July

Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

99

Holiday weather in July

Excellent

Best time to visit: June – September

What is the weather like in Portland, Oregon in July?

In July, Portland, Oregon is hot: daytime highs average 27 °C, and nights cool down to about 14 °C. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 9 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Portland, Oregon.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score919996
Day22°27°28°
Night11°14°15°
Sun8 h11 h10 h
Rain days723

More details for July

Daylight
15 h 22 min05:35 – 20:58
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
12 km/haverage daily peakAll months
Cloud cover
33 %on averageAll months
Hot days
9 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−7America/Los_Angeles

How the score comes together

  • Temperatureweight 50 %98 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • A jumper for the evenings

Portland, Oregon in July: quick answers

Is Portland, Oregon hot in July?

Yes. In July, Portland, Oregon is hot: daytime highs average 27 °C and nights stay around 14 °C. On about 9 days the thermometer climbs to 30 °C or more.

Does it rain much in Portland, Oregon in July?

It hardly ever rains.

Portland, Oregon month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences