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Winnipeg in May: Weather, Average temperature and Climate

Take a look at past year’s weather for Winnipeg in May and see if it is worth visiting.
Check flight prices to Winnipeg on Avionero:
May

Weather in Winnipeg in May 2025

Good Weather
Mild
🌧️
Rainy
Are you considering a trip to Winnipeg in May? Well, the weather is usually on your side with an average maximum temperature of +66°F and about 5 sunny days. Just keep in mind that there may be some rain, with an average of 14 rainy days and 72 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • May is usually the driest month of the year in Winnipeg

Average weather

☀️
+66°F
Avg. max. temperature
+19°F
Min.
+99°F
Max.
72 mm
Total precipitation
62%
Avg. humidity
4 m/s
Avg. wind
5 ☀️
Sunny Days
11 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Winnipeg has good weather in May.

Average temperature in Winnipeg in May

Here are the expected maximum, average and minimum temperatures in Winnipeg for May based on the historical data.
Last Year
Historical Data

The temperature in May is +75°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 50% by the end of the month, compared with the beginning of the month, from +54°F to +82°F.

Is Winnipeg warm or cold in May?

Winnipeg is typically mild in May.

Maximum temperatures go up compared to the previous month from +52°F to +66°F. The minimum temperature also goes up from +30°F to +45°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 Winnipeg:

Climate in Winnipeg in May

Winnipeg weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+52°F+66°F+75°F
Min. temperature
-13°F+19°F+30°F
Max. temperature
+93°F+99°F+104°F
Rainfall
25 mm72 mm99 mm
Wind
4 m/s4 m/s4 m/s
Humidity
64%62%69%
Air pressure
1015 HPa1013 HPa1010 HPa
Sunny days
553
Cloudy days
13119
Rainy days
71417
Snowy days
410

May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +52°F to +66°F during the day. Prepare for more rain. Average rainfall goes from 25 mm to 72 mm. It feels drier, as humidity decreases from 64% to 62%. 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 5 sunny days during the month.

June brings much the same weather, it remains good.

Wind

Wind speed in Winnipeg in May based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Winnipeg is gradually decreasing during May, going from 6 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Winnipeg 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 45 mm. The maximum amount of rainfall per day is around 8 mm, which is considered light 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:
Winnipeg wettest month is June, where a typical day has a 57% chance of precipitation and 99 mm of rainfall per day. January, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.

Snow

Amount of snow in mm during May in Winnipeg based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in May is 0%, for a monthly total of around 0 mm.

Here’s how May is compared with other months in the amount of snow, total mm:

How was the weather last May in Winnipeg?

This is the weather in Winnipeg in May 2023:
1 May
☀️
+53°F
2 May
☀️
+64°F
3 May
☁️
+71°F
4 May
☀️
+69°F
5 May
☁️
+67°F
6 May
☁️
+64°F
7 May
☁️
+63°F
8 May
☁️
+56°F
9 May
🌫️
+69°F
10 May
☁️
+79°F
11 May
☁️
+75°F
12 May
☁️
+78°F
13 May
☁️
+73°F
14 May
☀️
+78°F
15 May
☀️
+84°F
16 May
☁️
+81°F
17 May
☀️
+76°F
18 May
🌧️
+55°F
19 May
☀️
+71°F
20 May
☀️
+79°F
21 May
☁️
+78°F
22 May
☁️
+80°F
23 May
☁️
+79°F
24 May
☁️
+67°F
25 May
☁️
+86°F
26 May
☀️
+90°F
27 May
☁️
+87°F
28 May
☀️
+90°F
29 May
☁️
+86°F
30 May
🌧️
+81°F
31 May
☁️
+83°F
In May 2023 Winnipeg had 10 sunny days, 18 cloudy days, and 2 rainy days. The average maximum temperature was +75°F, with an absolute maximum of +90°F and a minimum of +54°F. The average humidity was 57%, with a maximum of 100% and a minimum of 18%. The average wind speed was 5 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Winnipeg climate has changed over the last 43 years.

The climate in Winnipeg in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1996 (+43°F) and the highest in 2021 (+53°F). The driest year was 1988 with only 222 mm of rainfall, and the wettest year was 2022 with 1095 mm.

FAQ

Frequently asked questions about the weather in Winnipeg in May:

Is May a good time to visit Winnipeg?

May is a really good time to go to Winnipeg. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Winnipeg.

Can you sunbathe in Winnipeg in May?

May has mild temperatures in Winnipeg. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Winnipeg rainy in May?

Winnipeg 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 Winnipeg in May?

Usually, it’s not very sunny in Winnipeg in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Winnipeg

Source of the data

For this page, we’ve looked at the typical weather in Winnipeg, 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.