Dartmouth monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Dartmouth

Dartmouth average temperature chart (Celsius) Dartmouth average temperature chart (Fahrenheit)
Average monthly temperatures in Dartmouth (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 7.9 9.7 11.8 14.7 17.9 19.9 19.5 17.5 14.6 11 9.2
°F 46.7 46.3 49.5 53.3 58.5 64.3 67.8 67.2 63.6 58.3 51.7 48.5

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Dartmouth monthly rainfall chart (mm) Dartmouth monthly rainfall chart (inches)
Average monthly rainfall in Dartmouth (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 134 105 95 64 67 61 56 75 81 101 109 131
inches 5.3 4.1 3.8 2.5 2.6 2.4 2.2 3 3.2 4 4.3 5.1
Rainy days 19 15 16 14 14 11 10 12 13 16 17 18

Average annual rainfall in Dartmouth: 1125.634mm (443.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Dartmouth

Dartmouth average daily sunshine chart
Average daily sunshine Dartmouth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.2 3 4.4 6.4 7.6 8 8 7.2 5.7 3.8 3 2.2

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Dartmouth average minimum / maximum temperatures (Celsius) Dartmouth average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dartmouth (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.1 3 3.8 5.2 7.9 10.7 12.6 12.5 10.9 8.9 5.5 4.1
Max °C 8.3 8.1 9.9 12 14.9 18.1 20.1 19.7 17.7 14.8 11.1 9.3
Min °F 37.6 37.3 38.8 41.4 46.2 51.3 54.6 54.5 51.6 47.9 41.9 39.4
Max °F 42.3 41.9 44.2 47.5 52.5 57.9 61.3 61 57.7 53.2 46.9 44.1

Sea temperature

The graph below shows the average sea temperature.

Dartmouth average sea temperature chart (Celsius) Dartmouth average sea temperature chart (Fahrenheit)
Average sea temperature around Dartmouth in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.4 9.5 9.4 10.1 11.5 13.4 15.4 16.5 16.2 15 13.4 11.7
°F 50.6 49.2 48.9 50.1 52.6 56.2 59.8 61.8 61.2 59 56 53.1

Wind speed

The graph below shows the average wind speed.

Dartmouth average winspeed by month (km/h) Dartmouth average winspeed by month (mph)
Average wind speed in Dartmouth (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 18 17 17 15 14 14 15 16 18 19
mph 12 12 11 11 10 9 9 9 9 10 11 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Dartmouth relative humidity averages
Average relative humidity in Dartmouth
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 87% 83% 80% 79% 80% 80% 82% 85% 87% 87% 89%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Dartmouth weather stats

Dartmouth weather statistics
Hottest month: July 19.9°C 67.8°F
Driest month: July 56mm 2.2ins
Sunniest month: July 8hrs
Coldest month: February 7.9°C 46.2°F
Wettest month: January 134mm 5.3ins
Warmest sea: August 16.5°C 61.7°F
Map showing location of Dartmouth (50.3522, -3.5794) Dartmouth map pin © Google

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