- Weather 15 to 22 °C, mild and pleasant
- Fireworks restart May 18 (Victoria Day)
- Mother's Day weekend is the busiest May weekend
- Cherry blossoms peak early May in Niagara-on-the-Lake
- Hotel rates 15 to 25 percent below July peak
May 2026 weather
Average high 19 °C, average low 9 °C. Eleven rain days. Generally pleasant for outdoor activities, occasional cool evenings. Bring layers and a light waterproof jacket.
What is open in May
- Hornblower boat ride, every day
- Maid of the Mist, opens May 8
- Journey Behind the Falls, year round
- Cave of the Winds, opens early May
- Whirlpool Aero Car, full season
- Fireworks, restart May 18 (Victoria Day) and continue every Wednesday and Sunday
Top May tour with boat included.
Check availability →May events
- Victoria Day fireworks, May 18, 2026, extended show with public events
- Niagara Cherry Blossom Festival, early May, Niagara-on-the-Lake
- Mother's Day brunch, May 10, fallsview restaurants book out 30 days ahead
- Niagara Wine Tour Days, mid May, multi winery passport events
- Memorial Day weekend (US), May 25, busiest weekend of the month
Wine country in May
Niagara wineries reopen full tasting rooms. Vineyard lunches return. Hot air balloon flights over the wine country resume. The wine tours pair well with mild May weather.
Vineyard lunch in May, before the summer crowds.
Check availability →May hotel pricing
Hotel rates start the month at March/April levels and rise gradually. By Victoria Day weekend (May 18) prices have jumped 25 percent. Book Mother's Day and Memorial Day weekends 60 days ahead.
Best May days to visit
- Best, Tuesday to Thursday in early May, before Victoria Day
- Worst, Mother's Day weekend (May 9 and 10) and Memorial Day weekend (May 23 to 25)
- Best for fireworks restart, Victoria Day, May 18
- Best for cherry blossoms, May 1 to 7 in Niagara-on-the-Lake
Verdict
Mid May (after Mother's Day, before Victoria Day) is the sweet spot. Mild weather, full attractions, lower crowds and prices. Late May with the fireworks back gives a fuller summer experience at lower prices than June.
Internal links
For broader spring see spring 2026 guide. For wine tours see 10 best wine tours.
Questions Frequentes
Yes. May has full attractions running, mild weather (15 to 22 °C), and crowds 30 percent below July peak. The boat ride is open all month and fireworks restart May 18 (Victoria Day).
Niagara Falls fireworks restart Victoria Day, May 18, 2026, with an extended show. After that fireworks run every Wednesday and Sunday at 10 PM through October 9.
Yes. The Hornblower runs every day from April 12 through November 9, 2026. The Maid of the Mist on the US side opens later, May 8.
Early May rates are 30 to 40 percent below July peak. By Victoria Day weekend (May 18) prices jump to 15 to 25 percent below July. Book Mother's Day weekend and Memorial Day weekend 60 days ahead.
