Are you considering a trip to Montreal in May? Well, the weather is usually on your side with an average maximum temperature of +68°F and about 6 sunny days. Just keep in mind that there may be some rain, with an average of 14 rainy days and 94 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
May is usually the driest month of the year in Montreal
Average weather
☀️
+68°F
Avg. max. temperature
+27°F
Min.
+95°F
Max.
94 mm
Total precipitation
61%
Avg. humidity
4 m/s
Avg. wind
6 ☀️
Sunny Days
9 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Montreal has good weather in May.
Average temperature in Montreal in May
Here are the expected maximum, average and minimum temperatures in Montreal for May based on the historical data.
Last Year
Historical Data
The temperature in May is +70°F on average, with a range between a maximum of +90°F during the day and a minimum of +32°F at night.
The average maximum temperature goes up 63% by the end of the month, compared with the beginning of the month, from +54°F to +90°F.
Is Montreal warm or cold in May?
Montreal is typically mild in May.
Maximum temperatures go up compared to the previous month from +54°F to +68°F. The minimum temperature also goes up from +36°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Montreal:
Climate in Montreal in May
Montreal weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+54°F
+68°F
+75°F
Min. temperature
+7°F
+27°F
+36°F
Max. temperature
+86°F
+95°F
+95°F
Rainfall
88 mm
94 mm
105 mm
Wind
4 m/s
4 m/s
3 m/s
Humidity
62%
61%
66%
Air pressure
1013 HPa
1013 HPa
1012 HPa
Sunny days
6
6
6
Cloudy days
9
9
8
Rainy days
12
14
13
Snowy days
4
0
0
May often has better weather than April.It’s getting warmer as May arrives. The average maximum temperature goes up from +54°F to +68°F during the day.Prepare for more rain. Average rainfall goes from 88 mm to 94 mm.It feels drier, as humidity decreases from 62% to 61%.The average wind speed doesn’t change much during May, staying around 4 m/s.The amount of sunny days stay about the same, averaging 6 sunny days during the month.
June brings much the same weather, it remains good.
Wind speed in Montreal in May based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Montreal is gradually decreasing during May, going from 7 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Montreal based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in May stands at 29%, leading to total precipitation of around 181 mm. The maximum amount of rainfall per day is around 72 mm, which is considered heavy rain.On average, there are about 9 rainy days during May, so prepare to bring an umbrella.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Montreal wettest month is October, where a typical day has a 52% chance of precipitation and 113 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 17 mm of rainfall per day.
How was the weather last May in Montreal?
This is the weather in Montreal in May 2023:
1 May
🌧️
+53°F
2 May
🌧️
+56°F
3 May
🌧️
+52°F
4 May
🌧️
+54°F
5 May
☀️
+63°F
6 May
☀️
+72°F
7 May
☀️
+72°F
8 May
☀️
+68°F
9 May
☀️
+62°F
10 May
☀️
+72°F
11 May
☀️
+76°F
12 May
☁️
+78°F
13 May
☀️
+72°F
14 May
☀️
+66°F
15 May
☀️
+70°F
16 May
🌧️
+65°F
17 May
☁️
+47°F
18 May
☀️
+60°F
19 May
☀️
+72°F
20 May
☁️
+71°F
21 May
☁️
+72°F
22 May
☀️
+67°F
23 May
☀️
+74°F
24 May
🌧️
+67°F
25 May
☀️
+66°F
26 May
☀️
+70°F
27 May
☀️
+80°F
28 May
☀️
+87°F
29 May
☀️
+85°F
30 May
☀️
+83°F
31 May
☀️
+89°F
In May 2023 Montreal had 21 sunny days, 4 cloudy days, and 6 rainy days. The average maximum temperature was +70°F, with an absolute maximum of +90°F and a minimum of +48°F. The average humidity was 59%, with a maximum of 100% and a minimum of 24%. The average wind speed was 5 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Montreal climate has changed over the last 43 years.
The climate in Montreal in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+51°F) and the highest in 2021 (+56°F). The driest year was 1985 with only 524 mm of rainfall, and the wettest year was 2023 with 2843 mm.
FAQ
Frequently asked questions about the weather in Montreal in May:
Is May a good time to visit Montreal?
May is a really good time to go to Montreal. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Montreal.
Can you sunbathe in Montreal in May?
May has mild temperatures in Montreal. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Montreal rainy in May?
Montreal is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Montreal in May?
Usually, it’s not very sunny in Montreal in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Montreal, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.