Grandson monthly weather averages

Contents

Average daytime temperature

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

Grandson average temperature chart (Celsius) Grandson average temperature chart (Fahrenheit)
Average monthly temperatures in Grandson (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.1 4.1 7.9 12.4 16.3 20.3 22.7 21.9 18.8 13.3 7.1 2.9
°F 35.7 39.4 46.2 54.3 61.4 68.5 72.8 71.4 65.9 55.9 44.8 37.2

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.

Grandson monthly rainfall chart (mm) Grandson monthly rainfall chart (inches)
Average monthly rainfall in Grandson (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 81 74 73 73 84 100 82 105 88 69 98 84
inches 3.2 2.9 2.9 2.9 3.3 3.9 3.2 4.1 3.5 2.7 3.8 3.3
Rainy days 16 14 16 16 18 16 14 15 13 13 14 15

Average annual rainfall in Grandson: 1062.433mm (418.3 inches)

Average daily sunshine

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

Grandson average daily sunshine chart
Average daily sunshine Grandson
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.2 3.4 4.6 5.8 6.3 7.6 8.7 7.7 6.5 4.4 2.7 2.2

Day / night temperatures

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

Grandson average minimum / maximum temperatures (Celsius) Grandson average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grandson (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.6 -2.5 -0.3 3 6.7 10.1 11.7 11.3 9 5.3 1 -2.6
Max °C 2.2 4.3 8.1 12.6 16.6 20.5 23 22.2 19.1 13.5 7.3 3
Min °F 25.5 27.6 31.5 37.4 44 50.2 53 52.3 48.1 41.5 33.7 27.3
Max °F 30.7 33.6 39 46 52.9 59.5 63.1 62.1 57.2 48.9 39.4 32.4

Sea temperature

The graph below shows the average sea temperature.

Grandson average sea temperature chart (Celsius) Grandson average sea temperature chart (Fahrenheit)
Average sea temperature around Grandson in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.9 10 10.3 12.2 15.5 19.1 21.6 22.6 20.8 18 15.1 12.7
°F 51.7 50 50.6 53.9 59.9 66.3 71 72.6 69.4 64.5 59.2 54.8

Wind speed

The graph below shows the average wind speed.

Grandson average winspeed by month (km/h) Grandson average winspeed by month (mph)
Average wind speed in Grandson (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 9 10 10 9 8 8 7 7 7 9 9
mph 6 6 6 6 5 5 5 5 5 5 5 6

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.

Grandson relative humidity averages
Average relative humidity in Grandson
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
83% 78% 73% 70% 72% 70% 68% 71% 75% 80% 81% 82%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Grandson weather stats

Grandson weather statistics
Hottest month: July 22.7°C 72.9°F
Driest month: October 69mm 2.7ins
Sunniest month: July 8.7hrs
Coldest month: January 2.1°C 35.8°F
Wettest month: August 105mm 4.1ins
Warmest sea: August 22.6°C 72.7°F
Map showing location of Grandson (46.80946, 6.646) Grandson map pin © Google

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