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Waterloo, Canada
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May · climate normalsMild days and a month score of 72/100

Waterloo in May

Good · 72/100
High / low20° / 7°daily averages
Precipitation85 mm11 wet days
Cloud cover39%monthly average
43.47° N, 80.52° WElevation 325 mUTC−4 · Eastern Daylight Time
When to goWaterloo · weather score
JanFebMarAprMayJunJulAugSepOctNovDec72May
Best timeMay–Jun · Sep
May: high / low20° / 7°
iWhat to expect

The weather in May

In May, Waterloo averages daytime highs of 20° and night-time lows of 7° — mild weather by day. Expect around 85 mm of precipitation spread over about 11 wet days, with average cloud cover near 39%.

Days are 7° warmer than in April on average, and June is warmer again by about 5°.

May scores 72/100 — good conditions for sightseeing — and ranks 2nd of the twelve months for Waterloo.

Around the middle of the month the sun rises at 05:58 and sets at 20:40 local time, giving 14 h 42 min of daylight. Days lengthen by 62 minutes over the month.

Why 72/100?

How the score for May is built
Comfort · 42%100%
Dry days · 33%25%
Clear skies · 25%85%

Comfort peaks for daytime highs between 18° and 25°C (64–77°F).

iiIn context

May against the year

Full climate guide

Festivals in the region in May

Only the month is given: the exact dates change from year to year.

iiiNearby in May

Around Waterloo this month

Guelph
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Guelph

Ontario · 23 km NE
20°May high
11wet days
70score
Guelph
Kitchener
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Kitchener

Ontario · 4.6 km S
20°May high
11wet days
71score
Kitchener
Cambridge
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Cambridge

Ontario · 20 km SE
21°May high
11wet days
72score
Cambridge
ivTop of the table

Canada's best in May

Where to go in May
Orillia
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1

Orillia

Ontario
18°May high
5wet days
84score
Orillia
Moose Jaw
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2

Moose Jaw

Saskatchewan
19°May high
7wet days
79score
Moose Jaw
Whitchurch–Stouffville
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3

Whitchurch–Stouffville

Ontario
20°May high
7wet days
79score
Whitchurch–Stouffville
Newmarket
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4

Newmarket

Ontario
20°May high
8wet days
78score
Newmarket
·Questions

Waterloo in May: quick answers

Is May a good time to visit Waterloo?

May scores 72/100 for Waterloo, which we rate as good. Average highs are 20°C with 11 wet days.

How warm is Waterloo in May?

Daytime highs average 20°C and night-time lows 7°C in May.

Does it rain a lot in Waterloo in May?

Waterloo receives about 85 mm of precipitation in May, falling on around 11 days.