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Hamilton Weather in May

May in Hamilton sees daytime temperatures around 19°C (66°F) and lows of 9°C (48°F) at night. With around 88 mm (3.5 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Hamilton in May

Historically, May sees about 11 days of rain, with a monthly average of 88 mm (3.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Hamilton in May

In May, expect pleasant temperatures in Hamilton, with highs of 19°C (66°F) and lows of 9°C (48°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Hamilton in May

The month enjoys around 245 hours of sunshine, creating mostly sunny days with good weather conditions.

For Hamilton itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Hamilton Temperature in May

Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
36%
Precipitation
88 mm (3.5 in)
Rainy days
11 days
Sunshine
245 hours
Percentage Sunshine
54%

Hamilton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hamilton - and find the best time to visit.

Best Places in Canada in May

Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Hamilton in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Hamilton in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    4/10
  • Outdoor sports
    9/10

Hamilton 3-Day Forecast

More climate data for Hamilton

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.