Niagara-on-the-Lake in May

Cool, with some rainy days.

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Niagara-on-the-Lake weather in May

Cool, with some rainy days. Average highs of 17°C and lows of 9°C, with around 10 rainy days expected throughout the month.

While May isn't our top-rated month for Niagara-on-the-Lake, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high
17°C
Average low
9°C
Rainy days
10 days
Best months to visit
June, July, August

What to do in Niagara-on-the-Lake in May

Whatever the weather, Niagara-on-the-Lake rewards curious visitors. Here are some of the best ways to spend your time:

Explore Dine Culture Nature Shopping Day trips

What to pack for May

Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.

Browse other months

January
1C
Cold, with some rainy days.
February
1C
Cold, with some rainy days.
March
5C
Cold, with some rainy days.
April
10C
Cool, with some rainy days.
May (you are here)
17C
Cool, with some rainy days.
Recommended
June
23C
Mild and comfortable, with some rainy days.
Recommended
July
26C
Warm and pleasant, with some rainy days.
Recommended
August
25C
Warm and pleasant, with some rainy days.
September
22C
Mild and comfortable, with some rainy days.
October
16C
Cool, with some rainy days.
November
9C
Cold, with some rainy days.
December
4C
Cold, with some rainy days.

Book your May trip to Niagara-on-the-Lake

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