May is a cold and rainy time for sunbathing in Oregon and not really recommended. 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.
The average maximum temperature in Oregon in May is 15°. The average maximum temperature is 13° in the previous month and 17° in the next month.
The average temperature in Oregon in May is 11°. The average temperature ranges is 9° in the previous month and 13° in the next month.
The average minimum temperature in Oregon in May is 8°. The minimum temperature is 5° in the previous month and 10° in the next month.
The average day light hours per day in Oregon in May are 14.9 and there are 8.1 hours of sunshine per day on average during May making it a sunny month with few clouds.
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.
The average sea water temperature in Oregon in May is 10.8° which is very cold and bracing, it's not recommended you swim with out a full wet suit.
The average total rainfall in Oregon in May is 8.1cm and on average there are 16.5 rainy days in May making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Oregon in May is 10° which is very comfortable. The dew point is 8° in the previous month and 12° 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.
The average maximum wind speed in Oregon in May is typically 27kmh. The average maximum wind speed is 28kmh in the previous month and 26kmh in the next month.
The average wind speed in Oregon in May is typically 11kmh. The average wind speed is 11kmh in the previous month and 10kmh in the next month.
The average wind direction in Oregon in May is from the West-Northwest.