United StatesThe weather in July in Portland
It's warm in July in Portland with an average temperature of 29°C. Temperatures this month range from a low of 25°C to a high of 33°C. At night, you can expect temperatures between 15°C and 18°C.
Looking for great weather? July is a good time to be in Portland. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Portland, Oregon. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 40°C in 2015, Portland reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 18°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 23°C.
Rainfall amount
According to weather history, there is only 7,3 mm of precipitation in July. The wind speed is around 3 Bft, mostly coming from the Northwest.
Daily weather in July for Portland
Click on any day in July to get detailed info about the usual weather on that day in Portland. Check out the historical temperatures and precipitation over the past 10 years on this day.
July weather comparison
| Portland | New York | |
|---|---|---|
| Average temperature | 29°C | 31°C |
| Max. temperature | 33°C | 33°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 7,3 mm | 160 mm |
| Rainy days | 2 days | 18 days |
Start of July
The month of July starts in Portland with hot temps, averaging around 27°C during the day and nights around 16°C.
Mid July
By mid-July, daytime temps rise to around 29°C, with nights around 16°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of July
By the end of July, the average daytime temperature in Portland is around 31°C, while nighttime temps are about 17°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Portland for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in July in Portland, Oregon. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Portland
Temperature in July in Portland over the years
Precipitation charts
These charts show the average amount of precipitation in July in Portland, Oregon. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in July in Portland
Total precipitation in July in Portland over the years
Daily UV index in July in Portland
This chart shows the average daily UV index in July in Portland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in July in Portland
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Average weather in Portland by month
Click on a month below to see detailed weather info for Portland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.