Grenville monthly weather averages

Contents

Average daytime temperature

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

Grenville average temperature chart (Celsius) Grenville average temperature chart (Fahrenheit)
Average monthly temperatures in Grenville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28.4 28.4 29 29.6 30.1 29.7 29.6 30 30.3 29.9 29.4 28.7
°F 83.1 83.1 84.2 85.3 86.1 85.4 85.3 86 86.5 85.9 85 83.6

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.

Grenville monthly rainfall chart (mm) Grenville monthly rainfall chart (inches)
Average monthly rainfall in Grenville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 78 57 59 58 76 155 203 195 186 207 182 138
inches 3.1 2.3 2.3 2.3 3 6.1 8 7.7 7.3 8.1 7.2 5.4
Rainy days 14 9 10 7 13 17 20 18 18 17 20 18

Average annual rainfall in Grenville: 1544.433mm (608 inches)

Average daily sunshine

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

Grenville average daily sunshine chart
Average daily sunshine Grenville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.6 8.9 8.7 8.7 8.4 7.5 7.8 8.1 7.7 7.7 7.8 7.9

Day / night temperatures

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

Grenville average minimum / maximum temperatures (Celsius) Grenville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Grenville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 20.7 20.8 21.4 22.2 23.2 23.2 22.8 22.9 23 22.7 22.2 21.4
Max °C 28.6 28.6 29.2 29.8 30.3 29.9 29.8 30.2 30.5 30.1 29.6 28.9
Min °F 69.2 69.4 70.5 72 73.7 73.7 73 73.1 73.3 72.9 72 70.4
Max °F 76.3 76.5 77.5 78.8 80.1 79.7 79.3 79.7 80.1 79.5 78.6 77.2

Sea temperature

The graph below shows the average sea temperature.

Grenville average sea temperature chart (Celsius) Grenville average sea temperature chart (Fahrenheit)
Average sea temperature around Grenville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27 26.8 26.8 27.2 27.7 27.9 28.1 28.7 29.1 28.9 28.4 27.7
°F 80.6 80.2 80.3 81 81.9 82.3 82.5 83.7 84.3 84 83.2 81.8

Wind speed

The graph below shows the average wind speed.

Grenville average winspeed by month (km/h) Grenville average winspeed by month (mph)
Average wind speed in Grenville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 13 13 13 13 14 12 10 9 9 10 10
mph 7 8 8 8 8 9 8 7 6 6 6 7

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.

Grenville relative humidity averages
Average relative humidity in Grenville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 80% 74% 78% 79% 81% 82% 82% 83% 84% 85% 82%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Grenville weather stats

Grenville weather statistics
Hottest month: May 30.1°C 86.2°F
Driest month: February 57mm 2.2ins
Sunniest month: February 8.9hrs
Coldest month: January 28.4°C 83.1°F
Wettest month: October 207mm 8.1ins
Warmest sea: September 29.1°C 84.4°F
Map showing location of Grenville (12.11667, -61.61667) Grenville map pin © Google

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