Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.
Calculated from historical METAR data of Montreal / Pierre Elliott Trudeau International Airport (CYUL) between 2021 and 2025.
Month | Average | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|---|
January | 60.4 | 56 | 51 | 38 | 67 | 65 |
February | 74.9 | 66 | 78 | 73 | 73 | 78 |
March | 77.6 | 73 | 71 | 74 | 74 | 93 |
April | 79.8 | 73 | 82 | 85 | 88 | |
May | 87.6 | 75 | 85 | 92 | 91 | 94 |
June | 86.3 | 86 | 81 | 73 | 90 | 95 |
July | 90.1 | 85 | 81 | 95 | 89 | |
August | 89.2 | 76 | 84 | 90 | 93 | |
September | 87.7 | 88 | 86 | 76 | 95 | |
October | 82.7 | 91 | 78 | 95 | 78 | |
November | 79.4 | 74 | 81 | 76 | 85 | |
December | 66.6 | 62 | 44 | 68 | 75 | |
Average | 80.8 | 72.5 | 77.0 | 75.2 | 83.0 | 86.8 |
Month | Average | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|---|
January | 80.0 | 78 | 75 | 67 | 78 | 89 |
February | 84.7 | 75 | 91 | 85 | 83 | 88 |
March | 88.9 | 85 | 87 | 87 | 85 | 98 |
April | 92.1 | 91 | 91 | 94 | 97 | |
May | 96.4 | 92 | 95 | 98 | 97 | 98 |
June | 96.8 | 97 | 95 | 89 | 99 | 99 |
July | 97.1 | 94 | 93 | 98 | 100 | |
August | 96.0 | 85 | 96 | 97 | 98 | |
September | 96.3 | 96 | 96 | 92 | 100 | |
October | 93.0 | 97 | 91 | 98 | 91 | |
November | 91.7 | 97 | 93 | 89 | 96 | |
December | 84.8 | 85 | 69 | 81 | 94 | |
Average | 91.8 | 86.6 | 90.6 | 88.8 | 91.9 | 96.1 |
Month | Average | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|---|
January | -4.3 | -5.5 | -3.6 | -2.8 | -8.2 | -4.7 |
February | -2.4 | -5.4 | 2.2 | -2.5 | -3.6 | -4.6 |
March | 3.8 | 6.2 | 6.2 | 3.5 | 3.2 | 5.9 |
April | 11.6 | 12.5 | 13.8 | 11.1 | 14.4 | |
May | 20.0 | 19.5 | 21.6 | 20.6 | 22.0 | 20.1 |
June | 24.9 | 25.6 | 25.6 | 24.6 | 23.8 | 26.8 |
July | 27.5 | 27.8 | 26.8 | 27.1 | 25.1 | |
August | 25.8 | 25.5 | 24.1 | 26.3 | 28.1 | |
September | 21.9 | 23.3 | 23.1 | 20.3 | 21.8 | |
October | 15.1 | 16.0 | 16.3 | 16.0 | 15.9 | |
November | 6.1 | 8.8 | 5.7 | 8.4 | 6.0 | |
December | -1.7 | -2.6 | 2.1 | 2.5 | 1.3 | |
Average | 12.3 | 8.6 | 13.8 | 13.2 | 13.0 | 13.3 |
Month | Average | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|---|
January | -11.5 | -11.0 | -8.2 | -7.4 | -18.5 | -9.3 |
February | -10.3 | -12.3 | -6.0 | -11.9 | -12.6 | -11.0 |
March | -5.8 | -4.0 | -2.7 | -4.6 | -5.5 | -4.1 |
April | 2.5 | 3.3 | 3.2 | 2.2 | 4.0 | |
May | 9.7 | 10.1 | 12.4 | 8.5 | 11.0 | 9.6 |
June | 15.3 | 15.9 | 16.8 | 15.0 | 15.0 | 17.1 |
July | 18.5 | 19.3 | 19.1 | 18.1 | 17.0 | |
August | 17.3 | 17.1 | 16.1 | 17.8 | 19.5 | |
September | 13.1 | 14.0 | 14.4 | 12.1 | 13.9 | |
October | 7.2 | 7.4 | 9.8 | 6.0 | 8.5 | |
November | -1.4 | 2.2 | -1.1 | 1.5 | -1.7 | |
December | -7.4 | -8.7 | -3.1 | -4.7 | -7.5 | |
Average | 4.0 | 5.9 | 5.2 | 4.3 | 5.0 |
Month | Average | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|---|
January | 40.3 | 48 | 40 | 47 | 40 | 33 |
February | 31.7 | 44 | 19 | 34 | 37 | 31 |
March | 23.8 | 29 | 24 | 28 | 32 | 10 |
April | 22.8 | 29 | 19 | 21 | 19 | |
May | 12.8 | 24 | 12 | 11 | 11 | 6 |
June | 11.2 | 8 | 17 | 13 | 15 | 9 |
July | 7.3 | 11 | 12 | 5 | 5 | |
August | 9.7 | 20 | 12 | 10 | 6 | |
September | 8.6 | 6 | 7 | 17 | 7 | |
October | 15.1 | 7 | 21 | 8 | 19 | |
November | 20.4 | 16 | 15 | 26 | 15 | |
December | 29.5 | 24 | 37 | 31 | 22 | |
Average | 19.0 | 28.5 | 18.3 | 20.0 | 19.7 | 13.9 |
Month | Average | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|---|
January | 9.6 | 11 | 10 | 9 | 9 | 8 |
February | 10.5 | 11 | 9 | 10 | 12 | 9 |
March | 10.8 | 11 | 11 | 11 | 11 | 11 |
April | 10.9 | 11 | 11 | 11 | 10 | |
May | 9.2 | 8 | 9 | 10 | 9 | 9 |
June | 9.2 | 9 | 9 | 8 | 10 | 10 |
July | 8.5 | 9 | 8 | 10 | 8 | |
August | 8.2 | 8 | 8 | 8 | 9 | |
September | 8.0 | 8 | 8 | 8 | 8 | |
October | 9.0 | 9 | 8 | 8 | 8 | |
November | 9.7 | 10 | 10 | 9 | 9 | |
December | 9.4 | 9 | 8 | 11 | 10 | |
Average | 9.4 | 9.7 | 9.2 | 8.9 | 9.5 | 9.1 |
Month | 2025 | 2024 | 2023 | 2022 | 2021 |
---|---|---|---|---|---|
January | 270° | 300° | 326° | 336° | 275° |
February | 286° | 241° | 292° | 263° | 258° |
March | 265° | 293° | 277° | 271° | 252° |
April | 098° | 238° | 294° | 328° | |
May | 050° | 187° | 261° | 189° | 254° |
June | 239° | 242° | 041° | 229° | 221° |
July | 248° | 223° | 237° | 242° | |
August | 222° | 234° | 255° | 223° | |
September | 217° | 248° | 293° | 230° | |
October | 261° | 224° | 196° | 033° | |
November | 291° | 240° | 229° | 253° | |
December | 299° | 001° | 330° | 273° |