Dartmouth Climate by Month
Dartmouth experiences great temperature shifts.
The city's weather can transition from warm days
to very cold weather.
It is also known for its large amounts of rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The climate in Dartmouth is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 24°C in August to a very cold 1°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -8°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Dartmouth has a notably wet climate with abundant precipitation, recording 1363 mm of rain/snowfall per year. Precipitation levels in Dartmouth remain relatively steady throughout the year. December has the most snow/rain, with 142 mm over 15 days. In May, this drops slightly to 90 mm, making the city's climate fairly predictable.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
For those who appreciate different seasons, Dartmouth serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.8 hours of sunshine daily, and embrace the darker days in November, offering only 3.5 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Dartmouth.
Relative humidity over the year
The best time of year to visit Dartmouth in Canada
During the months of July, 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:
August has an average maximum temperature of 24°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 1°C.
December tops the wettest month list with 142 mm of rainfall.
May is the driest month with 90 mm of precipitation.
July is the sunniest month with an average of 235 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.
