Winnipeg Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Winnipeg, Manitoba during each month of the year.
The average high and low temperatures are listed below monthly and annually for Winnipeg, in both degrees Fahrenheit and Celsius.
Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
To find out how often it rises over 10, 20 or 30 °C each month in Winnipeg, scroll down farther. There are also monthly and yearly counts of days with frost and cold weather.
The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 13 | -4 | January | -11 | -20 |
| 15 | -4 | February | -10 | -20 |
| 32 | 13 | March | 0 | -11 |
| 50 | 27 | April | 10 | -3 |
| 66 | 41 | May | 19 | 5 |
| 75 | 52 | June | 24 | 11 |
| 80 | 56 | July | 26 | 13 |
| 79 | 53 | August | 26 | 12 |
| 68 | 45 | September | 20 | 7 |
| 52 | 33 | October | 11 | 1 |
| 32 | 16 | November | 0 | -9 |
| 17 | 2 | December | -8 | -17 |
| 48 | 27 | Year | 9 | -3 |
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 12 | -7 | January | -11 | -21 |
| 17 | -1 | February | -8 | -18 |
| 31 | 13 | March | -1 | -11 |
| 52 | 28 | April | 11 | -2 |
| 65 | 40 | May | 19 | 4 |
| 74 | 51 | June | 23 | 11 |
| 79 | 56 | July | 26 | 13 |
| 78 | 54 | August | 25 | 12 |
| 66 | 43 | September | 19 | 6 |
| 51 | 31 | October | 11 | 0 |
| 31 | 15 | November | 0 | -9 |
| 17 | 0 | December | -8 | -18 |
| 48 | 27 | Year | 9 | -3 |
Days of Hot Weather in Winnipeg
Winnipeg usually has 13 days a year with temperatures in the 30s Celsius. One of those days, on average reaches above 35 degrees Celsius (95 °F). The 30-degree weather can show up here anytime from May to September, and occasionally as early as April or as late as October.
| 10 °C 50 °F |
20 °C 68 °F |
30 °C 86 °F | |
|---|---|---|---|
| January | 0 | 0 | 0 |
| February | 0 | 0 | 0 |
| March | 2 | 0 | 0 |
| April | 16 | 4 | 0 |
| May | 28 | 13 | 1 |
| June | 30 | 22 | 2 |
| July | 31 | 29 | 4 |
| August | 31 | 27 | 5 |
| September | 28 | 12 | 1 |
| October | 16 | 2 | 0 |
| November | 2 | 0 | 0 |
| December | 0 | 0 | 0 |
| Year | 184 | 110 | 13 |
When Winnipeg Has Frosty Weather
Winnipeg typically has 193 days a year when the minimum temperature is at 0 °C or below. The average date for the last frost in spring is May 23. Frost normally returns here on September 22. The frost-free period extends for 121 days on average between the final spring frost and the first fall frost.
| 0 °C 32 °F | |
|---|---|
| January | 31 |
| February | 28 |
| March | 28 |
| April | 20 |
| May | 8 |
| June | 0 |
| July | 0 |
| August | 0 |
| September | 3 |
| October | 17 |
| November | 28 |
| December | 31 |
| Year | 193 |
How Often Winnipeg Has Cold Temperatures
Winnipeg's chilliest winter nights have lows below minus-thirty Celsius (below -22 °F). The city averages 13 nights a year, about half in January, when the thermometer drops that low.
From October to April, it can remain below freezing here all day long. Winnipeg typically has 113 days a year that never warm up above 0 °C.
| -10 °C 14 °F |
-20 °C -4 °F |
-30 °C -22 °F | |
|---|---|---|---|
| January | 27 | 18 | 6 |
| February | 22 | 13 | 3 |
| March | 15 | 5 | 1 |
| April | 2 | 0 | 0 |
| May | 0 | 0 | 0 |
| June | 0 | 0 | 0 |
| July | 0 | 0 | 0 |
| August | 0 | 0 | 0 |
| September | 0 | 0 | 0 |
| October | 1 | 0 | 0 |
| November | 12 | 3 | 0 |
| December | 23 | 13 | 3 |
| Year | 102 | 52 | 13 |
References
Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.
Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.