Note: written in 2013, but just as relevant in 2020! “Qu’est-ce que vous voulez? C’est les Saints de Glace.” – “What do you expect? It’s the ice saints at the moment.” This is invariably the reaction of French people around here if you complain about the weather around mid-May. The 11th, 12th and 13th May commemorate respectively Saint Mamert, Saint Pancrace and Saint Servais, known collectively as the Saints de Glace.
Traditionally, people expect the weather to be cold and even for it to freeze at night on those dates. After 13th May, they consider it safe to sow and plant. In colder and more mountainous parts of France, 26th May is the limit. Saint Mamert, Archbishop of Vienne in the 5th century, introduced three days of prayer (Rogations) just before Ascension Day to ward off natural calamities. Priests blessed the fields and farmers later invoked the three saints to protect their crops from the ravages of frost.
The Saints de Glace have given rise to all sorts of rhymes and dictons (sayings), including:
“Saint Servais, Saint Pancrace et Saint Mamert font à trois un petit hiver” Saints Servais, Pancrace and Mamert together make a little winter.
But does this belief have any foundation in reality? We are slap in the middle of the Saints de Glace today and I can confirm that the past two days have been chilly, windy and grey with the odd spot of rain. We had a picnic last Wednesday outside the chapel pictured above: that wouldn’t have been possible this weekend. This, of course, doesn’t constitute proof of a mini Ice Age every May so I looked a little further.
According to various sources, Europe experienced a wave of cold in May roughly once every two years, starting from about the second millennium. Astronomers later explained this as the result of the Earth passing through a dust belt at that period of the year. This partly obstructed the sun’s rays and caused a noticeable drop in temperature. Today, the passage through the dust belt appears to occur earlier in the year, so that is no longer an explanation.
However, certain meteorological phenomena, which I won’t attempt to explain, can combine in May to lower the temperature. So the legend of the Saints de Glace is not quite as folkloric as it appears. And it looks as if we can expect cool and unsettled weather for most of this month. So all those who have landed on my blog recently, having Googled, “Why is the weather in France so bad in 2013?”, will have to wait a bit longer for any respite.
The same day as the picnic, I took this shot of la cascade pétrifiée near Caylus. It often runs dry but showed no sign of doing so yet, owing to all the rain we’ve had.
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