22°C
Typical daytime high
Average low 14°CAverage high 22°C
early Maylate May
Typical daytime highs rise gradually through the month. This is a historical pattern, not a prediction.
Historic climate, made clear
Choose a place.
See its season.
A calm, evidence-led way to understand what a month is usually like — before you book, move or compare.
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Historic normals are not a forecast. We show the period and coverage with every answer.
Your climate answer
Lisbon in May
A warm, fairly dry month with long days and a dependable start to summer.
Evidence available
34 mmMonthly rainfall
Lower than most14.3 hrsDaylight at month end
Long days18°CTypical sea temperature
Modelled rangeMake the decision easier
Compare the same month elsewhere
Places with a similar May feel, ranked by the evidence we hold.
PlaceDay highRainDry-day reliability
Lisbon Portugal22°C34 mm82%
Valencia Spain24°C28 mm88%
Porto Portugal20°C91 mm61%
Similarity uses temperature, rainfall and dry-day reliability. It is not a recommendation or a promise of good weather.
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ClimateFacts summarises long-run historical observations. We do not show live weather, forecasts, crowds or prices. Where the record is incomplete, we say so.
01ObservedValues come from a named climate source.
02CalculatedDerived measures show their recipe and inputs.
03UncertainMissing years and station fit stay visible.