Ottawa
Geografi > Iklim

Ottawa memiliki iklim lembap benua dengan empat musim yang berbeda. Suhu maksimum rata-rata Juli adalah 26 °C (79 °F). Suhu minimum rata-rata Januari adalah −153 °C (−243,4 °F).
Ottawa memiliki musim panas yang hangat dan lembap. Suhu siang hari 30 °C (86 °F) atau lebih tinggi adalah biasa. Suhu rata-rata Ottawa menurut suhu gabungan dan indeks kelembapan antara 30 °C (86 °F) dan 40 °C (104 °F) setiap tahun.
Salju dan es dominan selama musim dingin. Ottawa mendapat sekitar 235 sentimeter (93 in) curah salju setiap tahunnya. Hari di atas titik beku dan suhu malam hari di bawah −30 °C (−22 °F) dapat terjadi pada musim dingin.
Suhu musim semi dan musim gugur tidak tentu, rentan terhadap perubahan suhu yang ekstrem dan perubahan tak terduga. Hari panas di atas 30 °C (86 °F) dapat terjadi paling cepat bulan Maret atau paling lambat bulan Oktober. Meskipun demikian, peristiwa seperti ini tidak biasa dan berlangsung singkat.
Rata-rata curah hujan tahunan sekitar 940 milimeter (37 in). Ottawa menerima rata-rata 915 mm (36,0 in) dari total curah hujan setahun. Ada sekitar 2.060 jam sinar matahari rata-rata per tahun (47% dari total kemungkinan).
| Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Bulan | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Jan | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Feb | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Mar | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Apr | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Mei | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Jun | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Jul | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Agt | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Sep | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Okt | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Nov | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Des | Data iklim Ottawa Macdonald-Cartier International Airport (1971–2000)> Tahun |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Humidex | 13.1 | 14.6 | 30 | 35.1 | 38.2 | 44 | 46 | 45.7 | 42.5 | 33.7 | 26.1 | 18.4 | 46 |
| Rekor tertinggi °C (°F) | 12.0  (53.6) | 14.2  (57.6) | 27.2  (81) | 31.1  (88) | 32.8  (91) | 36.1  (97) | 36.7  (98.1) | 37.8  (100) | 35.0  (95) | 27.8  (82) | 23.9  (75) | 16.3  (61.3) | 37.8  (100) |
| Rata-rata tertinggi °C (°F) | −6.1  (21) | −4.1  (24.6) | 2.2  (36) | 10.8  (51.4) | 19.1  (66.4) | 23.8  (74.8) | 26.5  (79.7) | 24.9  (76.8) | 19.5  (67.1) | 12.5  (54.5) | 5.3  (41.5) | −4.8  (23.4) | 10.9  (51.6) |
| Rata-rata harian °C (°F) | −10.8  (12.6) | −8.7  (16.3) | −2.5  (27.5) | 5.7  (42.3) | 13.4  (56.1) | 18.3  (64.9) | 20.9  (69.6) | 19.5  (67.1) | 14.3  (57.7) | 7.8  (46) | 1.25  (34.25) | −8.1  (17.4) | 6  (43) |
| Rata-rata terendah °C (°F) | −15.3  (4.5) | −13.3  (8.1) | −7.1  (19.2) | 0.6  (33.1) | 7.7  (45.9) | 12.7  (54.9) | 15.4  (59.7) | 14.1  (57.4) | 9.1  (48.4) | 3.0  (37.4) | −2.8  (27) | −11.3  (11.7) | 1.1  (34) |
| Rekor terendah °C (°F) | −35.6  (−32.1) | −36.1  (−33) | −30.6  (−23.1) | −16.7  (1.9) | −5.6  (21.9) | −0.1  (31.8) | 5  (41) | 2.6  (36.7) | −3  (27) | −7.8  (18) | −21.7  (−7.1) | −34.4  (−29.9) | −36.1  (−33) |
| Kesejukan angin | −47.8 | −47.6 | −37.8 | −26.3 | −10.9 | −1.6 | 4.6 | 1.1 | −6.4 | −13.3 | −29.5 | −44.6 | −47.8 |
| Presipitasi mm (inci) | 70.2  (2.764) | 58.9  (2.319) | 73.9  (2.909) | 72.4  (2.85) | 79.0  (3.11) | 85.0  (3.346) | 90.6  (3.567) | 87.1  (3.429) | 85.3  (3.358) | 79.4  (3.126) | 80.1  (3.154) | 81.5  (3.209) | 943.5  (37.146) |
| Curah hujan mm (inci) | 25.2  (0.992) | 17.6  (0.693) | 36.3  (1.429) | 60.5  (2.382) | 78.4  (3.087) | 85.0  (3.346) | 90.6  (3.567) | 87.1  (3.429) | 85.3  (3.358) | 74.9  (2.949) | 59.8  (2.354) | 31.3  (1.232) | 732  (28.82) |
| Curah salju cm (inci) | 55.2  (21.73) | 46.0  (18.11) | 39.8  (15.67) | 11.0  (4.33) | 0.6  (0.24) | 0  (0) | 0  (0) | 0  (0) | 0  (0) | 4.1  (1.61) | 21.9  (8.62) | 57.2  (22.52) | 235.7  (92.8) |
| Rata-rata hari hujan atau bersalju (≥ 0.2 mm) | 17 | 13.1 | 13.6 | 12.0 | 12.9 | 12.2 | 11.6 | 11.1 | 12.7 | 13.4 | 15.3 | 17.7 | 162.6 |
| Rata-rata hari hujan (≥ 0.2 mm) | 4.5 | 3.9 | 7.1 | 10.1 | 12.8 | 12.2 | 11.6 | 11.1 | 12.7 | 12.6 | 10.4 | 5.8 | 114.8 |
| Rata-rata hari bersalju (≥ 0.2 cm) | 16 | 11.9 | 9.5 | 3.7 | 0.3 | 0 | 0 | 0 | 0 | 1.4 | 7.6 | 15.2 | 65.6 |
|  % kelembapan | 74 | 72.1 | 73 | 72.5 | 74.9 | 79.6 | 82.4 | 86.8 | 87.6 | 83.4 | 81.9 | 79.8 | 79 |
| Rata-rata sinar matahari bulanan | 101.2 | 129.8 | 159.8 | 189.4 | 230.3 | 253.3 | 276.8 | 246.7 | 171.5 | 136.7 | 83.6 | 82 | 2.061,1 |
Sumber #1: Environment Canada
Sumber #2: Environment Canada (sun only).