Cold May in Spain: Jackets, Proverbs and Thermometers

May starts with jackets and snow in the Sierra

The first day of May dawned with long sleeves across much of Spain and snow in the Sierra de Madrid. This is not a science fiction headline: it is what several participants describe as an anomalously cold May, with late frosts, sleet in provincial capitals, and peppers that need covering every afternoon. The discussion begins with a simple question —is this cold normal?— and ends up becoming a clash between personal climate memory and the official narrative on global warming.

The first thing that stands out is the discrepancy between what the thermometer says and what the calendar implies. In Valencia, according to one testimony, people used to wear short sleeves since Fallas in other years; this year, on May 1st, they are still wearing jackets. In the upper Ebro region, someone recalls suffering intense cold on May 15th during patron saint festivals and entering a construction site in Vitoria on July 7th wearing a winter jacket.

Is it normal for it to be cold in May in Spain?

The short answer is yes, and folk wisdom has been warning about this for centuries. The most repeated proverb is "don't take off your coat until the forty days of May are over" (a reference to the traditional 'quarantine' of May), and there are variants like "when March mimics May, May mimics March." Collective memory holds onto cold Mays, late snowfalls, and bank holidays with heating turned on. One participant remembers making their First Communion on May 1st in extreme heat; another recalls asking for heating in a Gijón hotel during a May long weekend.

Historical records support the thesis of variability. Snowfalls are mentioned in northern cities on May 8, 1998, a snowfall fifteen or twenty years ago on May 25th, and sleet in Valladolid, where the frost period extends until approximately May 20th. In Valladolid, according to one testimony, being born on May 21, 1978, meant doing so amidst rain and freezing wind.

Thermometer vs. Narrative: Drought, Heat and Estela

Here the conversation splits in two. One current argues that what the average citizen experiences contradicts the official discourse: talk of drought and global warming while the body demands a sweater. Another reminds us that spring weather has always been unpredictable and that a cold May does not invalidate the underlying trend. The most repeated irony: if it doesn't rain, it's due to climate change, and if it rains a lot, it's also due to climate change.

In the middle appears the estela theory, which suggests that airplane contrails are modifying the sky. A participant recounts that in Castellón they hadn't seen planes for a week and the sky showed fluffy clouds with fresh air; the next day, with planes "everywhere," the sky was whitish and the sun stung. The most likely explanation, points out another, is that with low humidity and high temperature, condensation trails form and persist. The hypothesis of an organized plot to manipulate the climate has no backing in the material.

Snow in May, Proverbs and the Archive Nobody Consults

The thread leaves a useful idea: data is available to anyone. Provincial meteorological centers keep historical records that, when exported to a spreadsheet, allow checking anomalies without relying on headlines. That is the gap separating thermal sensation from statistics: a punctual cold May does not close a climate series, but neither should the climate series silence those who are cold.

The most honest closing is the one that leaves the thermometer in the reader's hand. With cold Mays and scorching Mays in the same archive, the question is not whether this May is rare, but how many Mays like this are needed for it to stop being so.