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Trenton Weather in May
May in Trenton brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 81 mm (3.2 in), so keep a rain jacket handy.
Rainfall in Trenton in May
You can expect rain on around 11 days based on historical patterns, with 81 mm (3.2 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Trenton in May
If you're visiting Trenton in May, expect highs of 18°C (64°F) and overnight lows around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you prefer dry days with pleasant temperatures, June, July, August and September typically offer 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.
Trenton Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
36%
Precipitation
81 mm (3.2 in)
Rainy days
11 days
Trenton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trenton - 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 Trenton in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Trenton in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Trenton 3-Day Forecast
More climate data for Trenton
See the full Trenton climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
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