Grafton (ND) monthly weather averages

Contents

Average daytime temperature

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

Grafton average temperature chart (Celsius) Grafton average temperature chart (Fahrenheit)
Average monthly temperatures in Grafton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -10.9 -7.2 0.3 11.1 20 25.2 27.7 27.1 20.5 13.3 1.2 -8
°F 12.3 19 32.5 51.9 67.9 77.3 81.9 80.8 68.9 55.9 34.2 17.5

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.

Grafton monthly rainfall chart (mm) Grafton monthly rainfall chart (inches)
Average monthly rainfall in Grafton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 15 11 22 37 55 79 68 57 45 30 16 12
inches 0.6 0.4 0.9 1.5 2.2 3.1 2.7 2.2 1.8 1.2 0.6 0.5
Rainy days 8 6 7 7 10 11 10 9 8 7 6 8

Average annual rainfall in Grafton: 396.4mm (156.1 inches)

Average daily sunshine

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

Grafton average daily sunshine chart
Average daily sunshine Grafton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.4 5.4 6.2 7.9 9.4 10.2 11.4 10.1 7.1 5.7 3.8 3.6

Day / night temperatures

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

Grafton average minimum / maximum temperatures (Celsius) Grafton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grafton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -20.7 -17.9 -10 -1 5.9 11.3 13.8 12.2 7 1.1 -7.9 -17.4
Max °C -10.7 -7 0.6 11.4 20.3 25.5 28.1 27.5 20.9 13.6 1.5 -7.8
Min °F -5.3 -0.1 14.1 30.3 42.6 52.3 56.8 53.9 44.5 33.9 17.9 0.7
Max °F 3.7 9.7 23.5 41.4 55.6 65.1 69.6 67.6 57 45.1 26.2 9.3

Sea temperature

The graph below shows the average sea temperature.

Grafton average sea temperature chart (Celsius) Grafton average sea temperature chart (Fahrenheit)
Average sea temperature around Grafton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.1 4.9 5.2 6 7.1 9.1 11.8 15 13.9 10.5 7.5 5.8
°F 41.2 40.9 41.4 42.7 44.8 48.3 53.2 58.9 57 50.9 45.6 42.4

Wind speed

The graph below shows the average wind speed.

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

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.

Grafton relative humidity averages
Average relative humidity in Grafton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 76% 76% 66% 60% 66% 68% 68% 70% 70% 77% 78%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Grafton weather stats

Grafton weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 11mm 0.4ins
Sunniest month: July 11.4hrs
Coldest month: January -10.9°C 12.4°F
Wettest month: June 79mm 3.1ins
Warmest sea: August 15°C 59°F
Map showing location of Grafton (48.41221, -97.41063) Grafton map pin © Google

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