Marijuana Laws
As recorded December 15, 2025 · not verified as current law. Canada law
Cannabis laws in London follow Canada’s national law. The rules here are set by the broader jurisdiction, and city-level differences are uncommon.
Recreational cannabis is fully legal for adults (typically 19+, varying slightly by province). Medical cannabis is integrated into the regulated system. Possession up to 30 grams in public is permitted, with licensed retail sales available.
Quick facts
- Recreational: Legal (adults 19+)
- Medical: Legal
- Possession: Up to 30g public permitted
- Buying/Selling: Legal from licensed stores
- Tourists: Can purchase if meeting age requirements
Practical guidance
Avoid cross-border transport of cannabis products. Do not assume informal tolerance equals legality.
Law Enforcement
Keep your cool with the police. Giving them a hard time only made things worse.
Where to Buy Marijuana
Students around Western University often knew who had weed.
Marijuana prices in London, Ontario, were about C$10 for 1 g.