Weather on March 15 in Ottawa

Historical weather data for March 15 in Ottawa, Canada

Avg High3°C (37°F)
Avg Low-6°C (22°F)
Warmest19958°C
Coldest1992-14°C

Based on 56 years of data from OTTAWA CDA

About This Date

March 15th in Ottawa, Canada typically brings cold spring weather, with average highs around 3°C and lows near -6°C. Over 56 years of records, the warmest March 15th was in 1995 (8°C average), while the coldest was 1992 (-14°C) — a 40°F range across recorded history. Precipitation has occurred on 38% of recorded March 15th dates, with snow falling 11% of the time (heaviest snowfall: 2.8"). The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

Planning for March 15th in Ottawa? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
2026-2°C (29°F)-12°C (11°F)--
202515°C (59°F)1°C (34°F)--
202412°C (54°F)2°C (36°F)0.08"
20234°C (39°F)-6°C (21°F)0"
20226°C (42°F)-3°C (26°F)0"
2021-6°C (22°F)-14°C (6°F)0"
20201°C (33°F)-9°C (16°F)0.62"
20198°C (46°F)2°C (35°F)0.43"
20182°C (35°F)-5°C (23°F)0"
2017-5°C (23°F)-11°C (12°F)0.02"
20164°C (39°F)2°C (35°F)0.75"
20152°C (35°F)-7°C (20°F)0.31"
20142°C (35°F)-2°C (28°F)0"
20132°C (35°F)-12°C (10°F)0.3"
20124°C (40°F)-1°C (30°F)0.55"
20115°C (41°F)-8°C (17°F)0"
201013°C (56°F)-1°C (30°F)0"
20099°C (49°F)-3°C (26°F)0"
20083°C (37°F)-10°C (14°F)0.09"
20077°C (44°F)-7°C (19°F)0.07"
2006-2°C (28°F)-6°C (22°F)0"
20053°C (37°F)-7°C (20°F)0"
20043°C (38°F)-1°C (30°F)0"
20032°C (35°F)-9°C (15°F)0.17"
2002-2°C (28°F)-6°C (22°F)0"
20014°C (40°F)-3°C (26°F)0"
20003°C (37°F)-1°C (31°F)0.45"
19993°C (37°F)-10°C (14°F)0"
1998-1°C (30°F)-7°C (19°F)0"
1997-6°C (22°F)-12°C (11°F)0"
1996-2°C (28°F)-4°C (24°F)0"
199514°C (57°F)3°C (37°F)0"
19943°C (38°F)-1°C (30°F)0.28"
1993-3°C (26°F)-24°C (-12°F)0"
1992-9°C (16°F)-18°C (-1°F)0"
19916°C (43°F)2°C (35°F)0"
19909°C (49°F)1°C (34°F)0"
198910°C (50°F)2°C (35°F)0.56"
19883°C (38°F)-7°C (20°F)0"
19874°C (39°F)-9°C (15°F)0"
19863°C (37°F)1°C (34°F)0.27"
1985-4°C (24°F)-11°C (12°F)0"
1984-1°C (30°F)-15°C (5°F)0.02"
19833°C (37°F)1°C (34°F)0.42"
19823°C (37°F)-7°C (19°F)0"
19816°C (42°F)-7°C (19°F)0.32"
1980-7°C (20°F)-11°C (13°F)0"
1979-9°C (15°F)-17°C (1°F)0"
19781°C (33°F)-5°C (23°F)0"
19774°C (39°F)2°C (35°F)0.36"
1976-1°C (30°F)-5°C (23°F)0"
19753°C (37°F)-8°C (17°F)0"
19740°C (32°F)-11°C (13°F)0"
19737°C (45°F)0°C (32°F)0.41"
19723°C (38°F)-4°C (24°F)0"
19719°C (48°F)-2°C (29°F)0.08"

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