Weather in Oregon, United States in May

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Visiting Oregon, United States in May

May has average maximum temperatures of 15°C (60°F) which is a little too chilly for sunbathing. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 8.1 hours of sunshine per day. May has total rainfall of 8.1cm (3.2inches) making it often dry with only light showers. There are 16.5 days with some rainfall so you can still enjoy the beach on the clear days. It is not a good time for sunbathing in Oregon. Sea temperatures are a cold 11°C (51°F). May is too cold for swimming in Oregon for any length of time, unless you have a wetsuit.

Consider visiting Oregon in the months of June, July, August, September, for the best beach weather.

Also consider one of our other suggestions for May.

Can you sunbathe in Oregon in May?

No, May is not a good time for sunbathing in Oregon.

May has average maximum temperatures of 15°C (60°F) which is a little too chilly for sunbathing. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 8.1 hours of sunshine per day. May has total rainfall of 8.1cm (3.2inches) making it often dry with only light showers. There are 16.5 days with some rainfall so you can still enjoy the beach on the clear days.

More about May temperature and sunshine.

Can you swim in Oregon in May?

No, May is too cold for swimming in Oregon for any length of time, with the sea water at 11°C (51°F), unless you have a wetsuit.

More about May sea temperatures.

Is May a good time to holiday in Oregon?

Probably not, May is not a good time for a holiday in Oregon.

May has average maximum temperatures of 15°C (60°F) which is a little too chilly for sunbathing. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 8.1 hours of sunshine per day. May has total rainfall of 8.1cm (3.2inches) making it often dry with only light showers. There are 16.5 days with some rainfall so you can still enjoy the beach on the clear days. It is not a good time for sunbathing in Oregon. Sea temperatures are a cold 11°C (51°F). May is too cold for swimming in Oregon for any length of time, unless you have a wetsuit.

More about the May temperatures and sunshine.

Is Oregon warm in May?

No, Oregon is a little too chilly for sunbathing in May.

The average maximum temperature in Oregon in May is 15°C (60°F). The average maximum temperature is 13°C (55°) in the previous month and 17°C (63°F) in the next month.

The average temperature in Oregon in May is 11°C (53°F). The average temperature is 9°C (48°F) in the previous month and 13°C (56°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is Oregon in May?

The average day light hours per day in Oregon in May are 14.9. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 8.1 hours of sunshine per day.

More about May sunshine.

Temperature in Oregon in May

The average maximum temperature in Oregon in May is 15°C (60°F). The average maximum temperature is 13°C (55°F) in the previous month and 17°C (63°F) in the next month.

The average temperature in Oregon in May is 11°C (53°F). The average temperature is 9°C (48°F) in the previous month and 13°C (56°F) in the next month.

The average minimum temperature in Oregon in May is 8°C (46°F). The minimum temperature is 5°C (42°F) in the previous month and 10°C (50°F) in the next month.

Sunshine in Oregon in May

During May the average day light hours are 14.9 per day in Oregon. The sunshine percentage is 54.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 8.1 hours of sunshine per day.

The ultraviolet index in Oregon in May is typically 8 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Oregon in May

The average sea water temperature in Oregon in May is 10.8°C (51.4°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Rainfall in Oregon in May

The average total rainfall in Oregon in May is 8.1cm (3.2inches) and on average there are 16.5 rainy days in May making it a wet time to visit the beach.

Humidity in Oregon in May

The maximum dew point (an indicator of humidity) in Oregon in May is 10°C (50°F) which is very comfortable. The dew point is 8°C (46°F) in the previous month and 12°C (12°F) in the next month.

The average maximum relative humidity in Oregon in May is typically 96.1%. The maximum relative humidity is 96.2% in the previous month and 96.1% in the next month.

The average relative humidity in Oregon in May is typically 81.6%. The average relative humidity is 81% in the previous month and 82.4% in the next month.

Wind Speed in Oregon in May

The average maximum wind speed in Oregon in May is typically 27KM/H (17MPH). The average maximum wind speed is 28KM/H (17MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Oregon in May is typically 11KM/H (7MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in Oregon in May is from the West-Northwest.

Monthly Averages

Suggested Beaches in May

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.