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> Usa > Portland, Oregon >May
Weather in May in Portland, Oregon
| < May > | ||
|---|---|---|
| Normal Max/ High Temperature | 20°C (67°F) | |
| Average Temperature | 14°C (57°F) | |
| Min/ Low Temperature | 8°C (47°F) | |
| Normal Precipitation | 52mm (2.1in) | |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | |
| Average Sunlight per day | 07h 05' | |
| Average Daylight per day | 14h 53' | |
| Sunny (Cloudy) Daylight Hours | 48% (52%) | |
| Sun altitude at solar noon on the 21st day. | 64.7° | |
- The average temperature in Portland, Oregon in May is mild at 13.9 °C (57.02 °F).
- Afternoons can be somewhat warm with average high temperatures reaching 19.5 °C (67.1 °F).
- Overnight temperatures are generally a little cool with an average low of 8.3 °C (46.9 °F).
- In May the range/ variation of diurnal average temperatures is 11.2 °C (20.2 °F).
- Precipitation averages for May are moderate with 52.3mm (2.1 in) recorded across 10 days.
- The heavens above Portland, Oregon are a little sunny with on average a measurable 7h 05' of bright sunshine per day.
- The shortest day is 14h 16' long and the longest day is 15h 24' long with an average length of 14h 53'.
- There are approximately 7h 36' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 48.3% of daylight hours and cloudy 51.7% of daylight hours.
Weather Trend Graph for May in Portland, Oregon, Usa
