No. It constitutes a prolonged dry spell. Five minute without rain is a turadh. People in some parts of the world may think I am joking, but you really would measure a turadh with a clock not a calendar, and discuss whether the dry spell would be sufficient to dry the clothes.
Today it did not rain until about 6.30 pm where I am. But then it was the third hottest day on record in the UK. It reached 28°C here. D
To get yourself in the mood when settling down to learn some Gaelic, always check the weather forecast in Scotland - for example here on the BBC. It does not generally make much difference which part of the country so I have given a link to the weather in the centre of the country.
But if the news tells you it is exceptionally cold in NW Europe, it is best the check the weather here in Braemar is this usually gets colder than elsewhere, with a record low of −27.2 °C (−17.0 °F). See Wikipedia for a general description.
Note that the Western Isles, where most Gaelic is now spoken, are generally warmer and wetter, due to the Gulf Stream, and, in particular, they do not get the extremes of cold due to their more coastal climate. D