Lake Oswego Weather in May
May in Lake Oswego sees daytime temperatures around 20°C (68°F) and lows of 9°C (48°F) at night. With around 72 mm (2.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Lake Oswego in May
Typically around 15 days of rainfall are expected, averaging 72 mm (2.8 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Lake Oswego in May
The perfect temperature in Lake Oswego in May makes it a solid month to visit, with 20°C (68°F) during the day and 9°C (48°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Lake Oswego in May
Expect sunny days throughout the month, with an estimated 276 hours of sunshine. This makes it a pleasant time to visit Lake Oswego.
Wind Speed in Lake Oswego in May
Average wind speeds reach 3 m/s (6 knots) in May, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Lake Oswego.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Lake Oswego's climate page.
Lake Oswego Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
48%
Precipitation
72 mm (2.8 in)
Rainy days
15 days
Humidity
69% *
Windspeed
3 m/s (6 knots) *
Sunshine
276 hours *
Percentage Sunshine
*
Best Places 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. See all of the United States of America in May →
perfect weather
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What to Wear in Lake Oswego in May
For Lake Oswego in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Lake Oswego in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Lake Oswego's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Lake Oswego climate overview or explore weather in the United States of America.
