Clackamas
Weather by month
Current –

Clackamas Weather in May

Clackamas in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 72 mm (2.8 in) on average, so pack waterproofs just in case.

Rainfall in Clackamas in May

Expect around 14 days of rain based on historical data, with 72 mm (2.8 in) average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Clackamas in May

The excellent temperature in Clackamas in May makes it a solid month to visit, with 20°C (68°F) during the day and 8°C (46°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Clackamas in May

Enjoy a sunny month with about 276 hours of sunshine, the clear skies make Clackamas even more beautiful.

Wind Speed in Clackamas 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 Clackamas.

Clackamas Temperature in May

Min Temperature
8°C (46°F)
Max Temperature
20°C (68°F)
Chance of Rain
48%
Precipitation
72 mm (2.8 in)
Rainy days
14 days
Humidity
69% *
Windspeed
3 m/s (6 knots) *
Sunshine
276 hours *
Percentage Sunshine
*
* Data from: Portland, the United States of America (21 KM, 13 Miles).

Clackamas Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Clackamas - and find the best time to visit.

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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Clackamas in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Clackamas in May

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

Clackamas 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.