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It may even have an effect on global temperatures - though the relocation of cold air from one place to another may or may not do that.
On this bit - no its not just its impact on the Jetstream though this will be the most obvious bit - during a solar minima you not only get less sunspots you get less faculae - bright spots which add a fair bit to the sun's output. So basically the sun's output actually lowers - less energy per metre squared on earth = colder, less UV output = less Ozone produced = colder etc.
You can see from the NASA link above it wasn't just a re-distribution of hot and cold areas but a general cooling.