Hillsboro weather in May (Oregon, United States of America)

Wondering what the weather is like in Hillsboro during May? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

The weather in Hillsboro during May is typically perfect, with pleasant temperatures and moderate rainfall. Daytime temperatures generally settle around 20°C, while nighttime can see a dip to about 8°C.

Precipitation

Hillsboro in May usually receives moderate rainfall, averaging around 52 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 13 days of the month will see rainfall.

Average sunshine

The days are predominantly sunny, with an estimated total of around 276 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.

If you're inclined towards comfortable temperatures and drier conditions, May is a prime time to visit Hillsboro. May, June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Hillsboro, monthly averages in May

Min Temperature 8°C  

Max Temperature 20°C  

Chance of Rain 44%  

Precipitation 52 mm  

Rainy days 13 days  

Humidity 69% *  

Sunshine 276 hours *  

Percentage Sunshine *  

Data from: Portland, the United States of America (31 KM, 19 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 Hillsboro, 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

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

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

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.