Normal weather for Portland in July
It's hot in July in Portland with an average temperature of 33°C. Temperatures this month range from a low of 31°C to a high of 35°C. At night, you can expect temperatures between 23°C and 25°C.
In July, there is an average of 197 mm of precipitation, spread over 20 days. The wind speed is around 3 Bft, mostly coming from the South.
Portland in July |
New York | ||
|---|---|---|---|
 Average Temperature |
33°C | 31°C | |
 High Temp |
35°C | 33°C | |
| Low Temp |
31°C | 29°C | |
 Total Precipitation |
197 mm | 160 mm | |
| Rainy Days |
20 days | 18 days | |
Start of July
The month of July starts in Portland with hot temps, averaging around 33°C during the day and nights around 24°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid July
By mid-July, daytime temps rise to around 34°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of July
By the end of July, the average daytime temperature in Portland is around 34°C, while nighttime temps are about 24°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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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.
Is July a good time to visit Portland?
Looking for sun? July isn’t a good month to be in Portland. The temperature is nice, but there’s too much chance of rain.
Temperature records for Portland in July
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Daily Temperature in July in Portland
This chart shows the average daily high and low temperatures in July for Portland, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in July in Portland
The chart below shows the average daily precipitation in July for Portland, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 20 days of precipitation in Portland.
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.
Temperature in July in Portland Over the Years
This chart shows the average temperature in July in Portland, measured in degrees Celsius, over the past few years.
Total Precipitation in July in Portland Over the Years
This chart shows the average precipitation in July in Portland, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate 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.
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.
