Portland weather in May (Indiana, United States of America)

Is Portland a good destination in May, weather-wise? Get all the weather information you need to plan your visit.

Temperatures

In May, Portland usually has high temperatures and high rainfall. You can expect daytime temperatures to reach around 23°C, while the nights will see a decline to about 11°C.

Precipitation

Portland in May usually receives high rainfall, averaging around 106 mm for the month. This month experiences about 13 days of rain according to historical data.

Average sunshine

The days are predominantly sunny, with an estimated total of around 313 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

Should you favor a climate that's both dry and comfortably warm July and September typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Portland climate page with graphs.

 

Portland, monthly averages in May

Min Temperature 11°C  

Max Temperature 23°C  

Chance of Rain 43%  

Precipitation 106 mm  

Rainy days 13 days  

Humidity 65% *  

Sunshine 313 hours *  

Percentage Sunshine 68% *  

Data from: Fort Wayne, the United States of America (73 KM, 45 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Portland, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Portland.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.