I have a different extreme here just barely above sea level. Cool damp winter with dry summer. But I have a trick that may work for you for different reasons.
My raspberries will continue to produce fruit until the middle of November but they are not harvestable unless I can keep them dry. I collected numerous frames from portable garages that had been storm damaged of the tarps wore out and they did not want to replace them. Then a friend that buys and sells cement forms got hundreds of feet of scaffolding plastic sheeting that is used to work in extreme weather. Eventually I wound up with 200 feet of high tunnel with three rows of raspberries so I will be delivering raspberries to the co-op tomorrow. Some of the posts for the raspberry
trellis are plum
trees which set more fruit earlier than the ones exposed during blossom time. I have
mason bees and paper wasps in residence and bumble
bees come during the summer so I get good pollination and the wasps patrol for fruit
maggots.
I had three peach trees sprout in my wicking barrels and after a couple of years I transplanted them along the north end of my two rows of hoop houses. They started to get peach leaf curl which speeds its spores in foggy weather. I happened to get another carport frame missing some of the horizontal pipes but I had some longer pipe on hand so the whole arrangement connected the two rows of hoop houses and covered the peach trees [one turned out to be a nectarine] and stopped the peach leaf curl.