Lake Oswego weather in May (Oregon, United States of America)

Is Lake Oswego a good destination in May, weather-wise? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

The weather in Lake Oswego is usually perfect in May, featuring pleasant temperatures and moderate rainfall. Expect daytime highs to reach approximately 20°C, with nighttime lows dipping to around 9°C.

Precipitation

Lake Oswego in May usually receives moderate rainfall, averaging around 72 mm for the month. Typically around 15 days days of rainfall are expected.

Average sunshine

Expect a lot of sunshine this month, with about 276 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

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

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

 

Lake Oswego, monthly averages in May

Min Temperature 9°C  

Max Temperature 20°C  

Chance of Rain 48%  

Precipitation 72 mm  

Rainy days 15 days  

Humidity 69% *  

Windspeed 11 km/h *  

Sunshine 276 hours *  

Percentage Sunshine *  

Data from: Portland, the United States of America (20 KM, 12 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 Lake Oswego, 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

Barbeque

8/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.