Climate and monthly weather forecastDartmouth, Canada
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Dartmouth, Canada, with an average temperature ranging between min -5.5°C (22.1°F) and max 0.2°C (32.4°F). Dartmouth in January experiences a gentle temperature dip, with average high-temperatures reducing from 3.5°C (38.3°F) in December to a still cold 0.2°C (32.4°F). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Dartmouth, Canada, with an average temperature ranging between max -0.1°C (31.8°F) and min -5.5°C (22.1°F). February, noted for its average high-temperature of -0.1°C (31.8°F) and an average low-temperature of -5.5°C (22.1°F), is considered the coldest month. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Dartmouth, Canada, with temperature in the range of an average low of -2.8°C (27°F) and an average high of 2.4°C (36.3°F). On the advent of March, Dartmouth's average high-temperature exhibits a minor adjustment to a cold 2.4°C (36.3°F) from February's -0.1°C (31.8°F). Weather in March »Weather in April
April in Dartmouth, Canada, is a chilly spring month, with an average temperature fluctuating between 1.6°C (34.9°F) and 6.8°C (44.2°F). Dartmouth's transition into April is marked by a minor temperature shift, moving from an icy 2.4°C (36.3°F) in March to a chilly 6.8°C (44.2°F). Weather in April »Weather in May
May, the last month of the spring in Dartmouth, is a cool month, with temperature in the range of an average low of 6.1°C (43°F) and an average high of 11.7°C (53.1°F). A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a chilly 6.8°C (44.2°F) to a cool 11.7°C (53.1°F). Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in Dartmouth, Canada, with an average temperature ranging between min 10.4°C (50.7°F) and max 16.1°C (61°F). Dartmouth's weather shows a minor temperature rise with the arrival of June, moving from a cool 11.7°C (53.1°F) in May to an enjoyable 16.1°C (61°F). Weather in June »Weather in July
July is a pleasant summer month in Dartmouth, Canada, with an average temperature varying between 20.8°C (69.4°F) and 15.3°C (59.5°F). The beginning of July signals a minor rise in the average high-temperature, moving from a refreshing 16.1°C (61°F) in June to an agreeable 20.8°C (69.4°F). Weather in July »Weather in August
The last month of the summer, August, is another pleasant month in Dartmouth, Canada, with an average temperature ranging between max 21.9°C (71.4°F) and min 16.1°C (61°F). Dartmouth's temperatures tend to reach their peak averages in August, with a high of 21.9°C (71.4°F) and a low of 16.1°C (61°F). Weather in August »Weather in September
September, the first month of the autumn in Dartmouth, is also an enjoyable month, with an average temperature varying between 18.9°C (66°F) and 13.2°C (55.8°F). The shift from August to September coincides with a small decrease in the average high-temperature, down to a refreshing 18.9°C (66°F) from a pleasant 21.9°C (71.4°F). Weather in September »Weather in October
October, like September, is a moderate autumn month in Dartmouth, Canada, with temperature in the range of an average high of 13.5°C (56.3°F) and an average low of 8.8°C (47.8°F). Dartmouth's weather in October involves a decrease in the average high-temperature, moving down from September's comfortable 18.9°C (66°F) to a moderate 13.5°C (56.3°F). Weather in October »Weather in November
November, the last month of the autumn in Dartmouth, is another chilly month, with an average temperature varying between 3.8°C (38.8°F) and 8.4°C (47.1°F). A shift in Dartmouth's weather is observed as October turns into November, with the average high temperature reducing from a refreshing 13.5°C (56.3°F) to a chilly 8.4°C (47.1°F). Weather in November »Weather in December
December, the first month of the winter in Dartmouth, is also an icy month, with an average temperature ranging between min -1.5°C (29.3°F) and max 3.5°C (38.3°F). December signifies a minor drop in average high-temperature, transitioning from a chilly 8.4°C (47.1°F) in November to a wintry 3.5°C (38.3°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Dartmouth, Canada
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).
The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure
Dartmouth, Canada
- Average pressure in January:
1012.7mbar - Average pressure in February:
1012.4mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1013.3mbar
- Average pressure in July:
1014mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1017.1mbar - Average pressure in October:
1015.3mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1014.2mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed
Dartmouth, Canada
- Average wind speed in January:
21.3km/h - Average wind speed in February:
21.1km/h - Average wind speed in March:
20.8km/h - Average wind speed in April:
18.4km/h - Average wind speed in May:
15.6km/h - Average wind speed in June:
15km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
16.6km/h - Average wind speed in October:
19km/h - Average wind speed in November:
20.4km/h - Average wind speed in December:
21.1km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity
Dartmouth, Canada
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall
Dartmouth, Canada
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days
Dartmouth, Canada
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
13.6 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Dartmouth, Canada
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Dartmouth, Canada
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.8 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.6 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Dartmouth, Canada
The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).
Average daylight / Average sunshine
Dartmouth, Canada
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 18min - Average sunshine in March:
5h and 6min - Average sunshine in April:
6h and 36min - Average sunshine in May:
7h and 18min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days
Dartmouth, Canada
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
13 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
14.4 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
14.2 days - Average sunshine days in December:
12 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index
Dartmouth, Canada
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Dartmouth, Canada
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Dartmouth, Canada
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





