Is a term used to describe the unpredictable weather conditions of Calgary, Alberta, Canada. It implies that the city can experience "All four seasons in one day" at any time of the year. The word encompasses all four seasons into one word ( SPring, sUMmer, fALl, and winTER).
"The Spumalter season runs from early January to late December".

"Better take your toque and sunscreen to work today, feels like another Spumalter day".

"In Calgary, Spumalter requires one to carry an unbrella, and possibly winter gloves, in the months of June and July".
by T-Bone80 July 13, 2009
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