Weather on August 18 in Montreal

Historical weather data for August 18 in Montreal, Canada

Avg High25°C (77°F)
Avg Low17°C (62°F)
Warmest200226°C
Coldest200715°C

Based on 51 years of data from MONTREAL MCGILL

About This Date

August 18th in Montreal, Canada typically brings pleasant summer weather, with average highs around 25°C and lows near 17°C. Over 51 years of records, the warmest August 18th was in 2002 (26°C average), while the coldest was 2007 (15°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 18th dates historically, with the wettest August 18th recording 2" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.

Planning for August 18th in Montreal? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecip
202521°C (70°F)12°C (53°F)--
202324°C (76°F)17°C (62°F)0.65"
202223°C (73°F)17°C (63°F)0.09"
202131°C (87°F)21°C (70°F)0"
202024°C (76°F)16°C (61°F)0.21"
201927°C (81°F)21°C (69°F)0"
201825°C (77°F)17°C (63°F)0"
201721°C (70°F)16°C (61°F)1.89"
201628°C (82°F)20°C (68°F)0"
201531°C (88°F)21°C (70°F)1.97"
201422°C (72°F)13°C (55°F)0"
201327°C (80°F)16°C (61°F)0"
201222°C (72°F)15°C (59°F)0"
201128°C (83°F)19°C (66°F)0"
201023°C (73°F)16°C (61°F)0"
200930°C (86°F)23°C (73°F)0"
200829°C (85°F)16°C (61°F)1.55"
200718°C (64°F)12°C (53°F)0"
200629°C (84°F)18°C (64°F)0"
200520°C (68°F)12°C (54°F)0"
200427°C (80°F)18°C (65°F)0"
200327°C (80°F)17°C (62°F)0"
200232°C (89°F)21°C (69°F)0"
200127°C (80°F)19°C (67°F)0"
200022°C (72°F)13°C (55°F)0"
199924°C (76°F)18°C (64°F)0"
199824°C (75°F)12°C (54°F)0"
199722°C (72°F)14°C (57°F)0"
199423°C (73°F)15°C (59°F)0"
199223°C (74°F)18°C (64°F)0.14"
199124°C (75°F)21°C (69°F)0.02"
199028°C (83°F)16°C (60°F)2"
198924°C (75°F)14°C (58°F)0"
198821°C (69°F)13°C (56°F)0"
198728°C (82°F)21°C (70°F)0"
198626°C (79°F)20°C (68°F)0"
198528°C (82°F)13°C (55°F)0"
198423°C (74°F)12°C (54°F)0"
198327°C (80°F)19°C (67°F)0"
198223°C (74°F)14°C (57°F)0"
198124°C (76°F)14°C (58°F)0"
198026°C (79°F)16°C (60°F)0.03"
197921°C (70°F)13°C (56°F)0.74"
197825°C (77°F)17°C (62°F)0"
197718°C (64°F)13°C (56°F)0"
197624°C (76°F)14°C (58°F)0"
197525°C (77°F)17°C (62°F)0"
197426°C (79°F)18°C (64°F)0"
197331°C (87°F)21°C (69°F)0.43"
197221°C (69°F)17°C (62°F)0.81"
197127°C (81°F)19°C (66°F)0"

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