Weather in May in Lisbon
| < May > | ||
|---|---|---|
| Normal Max/ High Temperature | 22°C (71°F) | |
| Average Temperature | 17°C (63°F) | |
| Min/ Low Temperature | 13°C (55°F) | |
| Average Sea or Water Temp | 15°C(59°F) | |
| Normal Precipitation | 39mm (1.5in) | |
| Number of Wet Days (probability of rain on a day) | 10 (32%) | |
| Average Sunlight per day | 09h 42' | |
| Average Daylight per day | 14h 15' | |
| Sunny (Cloudy) Daylight Hours | 69% (31%) | |
| Sun altitude at solar noon on the 21st day. | 71.5° | |
- The average sea tempeature is 15 °C (59 °F).
- The average temperature in Lisbon in May is very mild at 17.4 °C (63.32 °F).
- Afternoons can be really warm with average high temperatures reaching 21.7 °C (71.1 °F).
- Overnight temperatures are generally mild with an average low of 13 °C (55.4 °F).
- The range/ variation of diurnal average temperatures in May is 8.7 °C (15.7 °F).
- Precipitation averages for May are low with 39mm (1.5 in) recorded across 10 days.
- In May the skies in Lisbon are nice and sunny having on balance a considerable 9h 42' of blazing sunlight per day.
- The shortest day is 13h 47' long and the longest day is 14h 39' long with an average length of 14h 15'.
- There are approximately 4h 23' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 68.8% of daylight hours and cloudy 31.2% of daylight hours.
Weather Trend Graph for May in Lisbon, Portugal
