AEMET gives May an average daily maximum of 24.3°C, an average daily minimum of 14.2°C and 292 hours of sunshine. The number that decides the month, though, is the rain: 20mm across 3.1 days, which makes May drier than every month before it and drier than everything after it until June. This page said 30–40mm until today, and that was wrong by roughly half.
The May normals
These are AEMET's normals for the Málaga Airport station (6155A), reference period 1981–2010, the same source used across the Málaga weather by month guide.
| Measure | May normal |
|---|---|
| Mean temperature | 19.3°C |
| Average daily maximum | 24.3°C |
| Average daily minimum | 14.2°C |
| Monthly rainfall | 20 mm |
| Days with measurable rain | 3.1 |
| Monthly sunshine | 292 hours |
| Mean relative humidity | 59% |
| Sea temperature | 18–20°C by late May, not an AEMET figure |
The rain figure this page had wrong
If you have compared a few Málaga pages you will have seen May's rain given as 30–40mm over 3–4 days, and this page was one of the ones saying it. AEMET's normal is 20mm over 3.1 days.
That is not a rounding difference like the temperature ones. It is an overstatement of between 50% and 100% on the quantity, and it changes the practical answer: 20mm across a 31-day month is three brief afternoon showers, not a fortnight of watching the sky.
The temperature drifted the other way, and downwards. May's average maximum is 24.3°C, not the 23°C printed almost everywhere, including here. The rounding on this coast almost always runs upward – 30.8°C in August becomes "32°C" – so a month that gets rounded down is unusual, and it means May has been quietly undersold.
May against the two months either side of it
May is the month spring stops hedging, and the table shows where the jump actually happens.
| Measure | April | May | June |
|---|---|---|---|
| Average daily maximum | 21.4°C | 24.3°C | 28.1°C |
| Average daily minimum | 11.1°C | 14.2°C | 18.0°C |
| Monthly rainfall | 44 mm | 20 mm | 6 mm |
| Days with measurable rain | 4.5 | 3.1 | 0.8 |
| Monthly sunshine | 244 hours | 292 hours | 329 hours |
The rain more than halves between April and May, from 44mm to 20mm, and the sunshine gains 48 hours. That is the real content of the April-to-May step: not three degrees of warmth, but the weather ceasing to be a variable in your planning.
June is warmer on every row and the price is the afternoon. At 28.1°C average maximum, June starts to need the shade-management that July and August demand outright, and the nights stop cooling – 18.0°C overnight against May's 14.2°C is the difference between sleeping with the window open and wanting air conditioning.
The sea in May, and when it actually turns
AEMET publishes no sea surface temperature for Málaga, so every figure on this page and every other comes from commercial aggregators running their own models, which is why no two of them agree.
Read as a range, they agree on the shape: the water sits around 16°C at the start of May and reaches 18–20°C by the end of it. That late-May figure is the threshold most northern European swimmers cross without hesitating, and it arrives about two months after the air does – the sea lags the land, which is the single most useful thing to know when picking a beach month.
The practical consequence is that early May and late May are different beach months. A first-week trip is a sunbathing trip with a brief swim; a last-week trip is a swimming trip. If the water is the reason you picked May, book the back half. The Málaga beaches guide covers which stretches are worth the bus ride once you are in.
What is on in May
Two dates carry the month, and both are free.
- 18 May, International Museum Day: the Picasso Museum is free all day, one of four such dates in its year. It fills fast – be there for opening rather than after lunch.
- Noche en Blanco, Saturday 16 May 2026, 20:00 to 01:00: museums, churches and galleries across the city open late with free concerts, installations and guided tours. The Picasso, Carmen Thyssen and Centre Pompidou all take part. Start with the smaller galleries and street installations, then hit the big museums after 22:00 when the queues thin.
Both are in the Málaga festivals guide alongside the dates that actually move hotel prices, which neither of these does.
May is also when the day trips are at their best and their busiest at once. Caminito del Rey slots go weeks ahead through May, which is the single booking mistake that costs people the trip – official tickets are non-refundable and there is no gate sale. The wider day trips hub covers the alternatives if your dates are already gone.
What to wear, and the part people underestimate
Days are straightforwardly summery: t-shirt, light trousers or shorts, walking shoes for the old town and sandals for the sand. The caveat is the 10-degree gap between a 24.3°C afternoon and a 14.2°C night, which is wide enough that one layer will not cover both ends of a day that finishes with dinner outside. Carry a light jacket and you never think about it again.
The May sun burns before the temperature warns you
Timing a May trip
Weekdays and weekends are genuinely different in May in a way they are not in August, when everything is full regardless.
- Beaches: relaxed on weekday mornings, busy from about 11:00 at weekends. Malagueta and Pedregalejo both fill from the centre outward.
- Restaurants: terraces are booked out by 21:00 on Friday and Saturday. Lunch is forgiving; dinner is not.
- Monuments: queues are manageable all month, which stops being true in June.
- Prices: below summer rates until the last week, when the June curve starts.
May is the month this site recommends most often, and the honest counterweight is that everyone else recommends it too. That shows up at the ticket desk and the restaurant door rather than in the weather, so book the timed things and improvise the rest.
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