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April Weather in Dartmouth, Canada

Last updated: June 18, 2025

In April, the average temperature in Dartmouth, Canada hovers around 5°C (41°F). This month can see a chill with minimum temperatures dropping to -7°C (19°F), while some days may be as warm as 18°C (65°F). Expect 122 mm (4.8 in) of precipitation spread over 13 days, accompanied by an average humidity level of 82%.

April Temperature in Dartmouth

In April in Dartmouth, the average temperature is 5°C (41°F). Maximums can reach 18°C (65°F), while minimums can drop as low as -7°C (19°F). This is a time of year when travelers should prepare for a wide range of weather conditions, from chilly to mild, making it essential to dress in layers.

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

The chart illustrates April 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, April typically has an average temperature of 5°C (41°F), with highs reaching up to 18°C (65°F) and lows dropping to around -7°C (19°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.

April Precipitation in Dartmouth

In Dartmouth in April, the precipitation amount is 122 mm (4.8 in) recorded over a span of 13 days.

April Precipitation Trends in Dartmouth

The chart displays monthly precipitation patterns in Dartmouth, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Dartmouth, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9712210312293999177104109149127
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Dartmouth

In Dartmouth in April, humidity is 82%. With an average temperature of 5°C (41°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities less enjoyable and making it essential to dress in layers to stay warm while navigating the wet conditions.

April Average Humidity in Dartmouth

This chart illustrates the average monthly humidity levels in Dartmouth, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Dartmouth

In Dartmouth in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dartmouth.

Maximum UV Index Levels in Dartmouth for April

The chart shows the monthly maximum UV Index (UVI) for Dartmouth in April, 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 April, the maximum UV index in Dartmouth typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Dartmouth April 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 April 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 April’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 April’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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