Grimsby Weather and Climate: A Comprehensive Guide
The climate in Grimsby is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In Grimsby, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C in July to a very cold 1°C in February.
Nighttime temperatures can drop, with average lows reaching -6°C in February.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Grimsby experiences significant rain/snowfall throughout the year, averaging 1012 mm of precipitation annually. The wettest period in Grimsby occurs in April, which receives around 101 mm of precipitation. During the driest month, February, Grimsby experiences moderate snowfall, totaling approximately 70 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.
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
In Grimsby, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Forecast for Grimsby
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Grimsby 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:
July has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 1°C.
April tops the wettest month list with 101 mm of rainfall.
February is the driest month with 70 mm of precipitation.
July is the sunniest month with an average of 305 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.
