Canada · 1991–2020 normal

Hamilton in
May.

Typical May weather in Hamilton: 19.2°C by day, 7.8°C at night, 74 mm of rain over 8.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high19.2°C
Typical low7.8°C
Rain74 mm
Wet days8.9

In the year-round weather comparison, May scores 60 out of 100 (August leads the year at 85). Daylight is calculated as 14 h 39 from latitude 43.25°. Open-water sea temperature is 7.6°C (23 km from the place centre).

May at a glance

What is Hamilton like in May?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Hamilton hot in May?

Days are typically mild at 19.2°C, while nights average 7.8°C.

Does it rain much?

The measured monthly average is 74 mm across about 9 wet days.

How much daylight is there?

There are about 14 h 39 between sunrise and sunset at mid-month, calculated from the place latitude.

Is May a good time to visit?

May ranks 5 of 12 in our weather comparison; August ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5969782
NOAA station
CA006153301 · HAMILTON RBG CS
Station distance
7.8 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
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The weather comparison for Hamilton is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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