Ontario Weather: A Guide for Visitors and the Forgetful

This is my interpretation of Seasons in Ontario:

January: cold.
February: cold, few days of Spring, cold.
March: cold, week of Spring, cold.
April: cold, week of Spring, cool.
May: cool, warm, cool.
June: hot, warm, hot.
July-August: hot.
September: hot, warm.
October: warm, cool, warm, cold.
November: cold, cool, cold.
December: cold.