While it's admittedly difficult to predict weather patterns a whole month in advance, it's always good to look ahead and mentally prepare yourself for our city's all-over-the-place weather. And Montreal's May 2021 weather forecast outlook is looking a little rainy. \nHere's how the May weather forecast in Montreal is shaping up, according to the experts.\nEditor's Choice: A Study Revealed The 100 Happiest Cities In Quebec & Montreal Is Near The Bottom\n\n\n \n \n \n \n \n The Weather Network\n \n \n \nAccording to this chart from The Weather Network, May's weather forecast is projected to be relatively average. Further projections indicate that there will be at least a week's worth of rain.\nLooking at the Farmer's Almanac, May is projected to have above-average rainfall, with 95mm of precipitation projected to fall. \nThe temperature, meanwhile, will be slightly below average according to the Farmer's Almanac.