Kingston Weather in May
May in Kingston brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.
Rainfall in Kingston in May
The climate data from previous years indicates about 12 days of rain, averaging 85 mm (3.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Kingston in May
May in Kingston brings pleasant temperatures, with highs of 18°C (64°F) and nights around 10°C (50°F). Conditions are often most pleasant around the middle of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Kingston in May
Expect a lot of sunshine this month, with about 220 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Kingston Temperature in May
Min Temperature
Max Temperature
Chance of Rain
Precipitation
Rainy days
Sunshine
Percentage Sunshine
Kingston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kingston - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kingston typically rise from around 15°C (59°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 11°C (52°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Kingston in May
Browse day-by-day weather records for Kingston spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kingston historical weather extremes in May
Based on 50 years of weather observations in Kingston between 1976 and 2026, these are the recorded extremes.
- On May 29, 2012, temperatures climbed to 30°C (86°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 4°C (39°F), recorded on May 1, 1978.
- The coldest night in May in Kingston was on May 18, 1981, with a minimum of -7°C (19°F).
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 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 Kingston in May
For Kingston 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Kingston in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Kingston 3-Day Forecast
See the full Kingston climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
21°C (70°F) Montréal20°C (68°F) Ottawa20°C (68°F) Quebec City19°C (66°F) Calgary17°C (63°F) Vancouver16°C (61°F) Toronto16°C (61°F) Whistler11°C (52°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Canoeing the south Nahannii
The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.
Banff National Park
Snowy mountains, clear blue lakes and green forests make Banff National Park a wonderful bucket list destination. The pristine wilderness is a mecca for walkers.