Alliston Climate by Month
Alliston experiences great temperature shifts.
The city's weather can transition from warm days
to very cold weather.
It receives a reasonable amount of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
The climate in Alliston is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 27°C in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C. At night, expect cooler temperatures, averaging -11°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Alliston receives mid-range precipitation levels, with 919 mm annually. Despite minor fluctuations, Alliston enjoys fairly consistent precipitation throughout the year. In June, you can expect around 94 mm of precipitation, while in February, Alliston receives about 60 mm.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Alliston can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 2.6 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Alliston.
Relative humidity over the year
The best time of year to visit Alliston in Canada
During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
June tops the wettest month list with 94 mm of rainfall.
February is the driest month with 60 mm of precipitation.
July is the sunniest month with an average of 295 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
