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March Weather in Dartmouth, Canada

Last updated: June 18, 2025

In March, the average temperature in Dartmouth, Canada hovers around 0°C (32°F), with extremes ranging from a chilly -18°C (0°F) to a mild 16°C (61°F). Expect 103 mm (4.1 in) of precipitation over about 11 days, adding to the region's character. The air is often quite humid, with an average humidity of 82%, making it a versatile destination for those who appreciate varied weather.

March Temperature in Dartmouth

In March in Dartmouth, the average temperature is 0°C (32°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -18°C (0°F). Be sure to pack warm clothing if you're planning to visit during this time.

March Weather in Dartmouth: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Dartmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dartmouth, March typically has an average temperature of 0°C (32°F), with highs reaching up to 16°C (61°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec272731414959666761514132
Data source: Temperature data for Dartmouth generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Dartmouth

In Dartmouth in March, the precipitation amount is 103 mm (4.1 in) spread over 11 days.

March Precipitation Trends in Dartmouth

The chart displays monthly precipitation patterns in Dartmouth, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Dartmouth, March typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9712210312293999177104109149127
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Dartmouth

In Dartmouth in March, humidity is 82%. With an average temperature of 0°C (32°F), this humidity feels like an icy breath enveloping you, making each step outdoors a challenge as the cold dampness seeps into your clothes, chilling you to the bone and sapping your energy while traveling.

March Average Humidity in Dartmouth

This chart illustrates the average monthly humidity levels in Dartmouth, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Dartmouth is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Dartmouth

In Dartmouth in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Dartmouth.

Maximum UV Index Levels in Dartmouth for March

The chart shows the monthly maximum UV Index (UVI) for Dartmouth in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Dartmouth typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Dartmouth March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Dartmouth Compares to Other Months

Weather in Dartmouth varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Dartmouth, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dartmouth, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)97 mm (3.8 inches)82%low
February Weather-3°C (27°F)122 mm (4.8 inches)83%moderate
March Weather0°C (32°F)103 mm (4.1 inches)82%moderate
April Weather5°C (41°F)122 mm (4.8 inches)82%high
May Weather9°C (49°F)93 mm (3.7 inches)82%very high
June Weather15°C (59°F)99 mm (3.9 inches)84%very high
July Weather19°C (66°F)91 mm (3.6 inches)86%very high
August Weather20°C (67°F)77 mm (3.0 inches)85%very high
September Weather16°C (61°F)104 mm (4.1 inches)83%high
October Weather11°C (51°F)109 mm (4.3 inches)83%moderate
November Weather5°C (42°F)149 mm (5.9 inches)85%moderate
December Weather0°C (32°F)127 mm (5.0 inches)83%low

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