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Johnstown Weather in May
In Johnstown, May brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 9°C (48°F). Expect quite a bit of rainfall this month.
Rainfall in Johnstown in May
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 82 mm (3.2 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Johnstown in May
Johnstown in May is worth a visit. The temperature is excellent, with 20°C (68°F) during the day and 9°C (48°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Johnstown Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
43%
Precipitation
82 mm (3.2 in)
Rainy days
13 days
Johnstown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Johnstown - 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 Johnstown in May
For Johnstown in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Johnstown 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
Johnstown 3-Day Forecast
More climate data for Johnstown
See the full Johnstown climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
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