Port Saint John’s monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Port Saint John’s

Port Saint John’s average temperature chart (Celsius) Port Saint John’s average temperature chart (Fahrenheit)
Average monthly temperatures in Port Saint John’s (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.1 25.2 24.9 23.8 22.8 21.3 20.9 20.8 21 21.5 22.8 24.2
°F 77.2 77.4 76.8 74.8 73 70.4 69.7 69.5 69.8 70.8 73 75.5

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.

Port Saint John’s monthly rainfall chart (mm) Port Saint John’s monthly rainfall chart (inches)
Average monthly rainfall in Port Saint John’s (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 113 116 128 84 58 34 41 49 77 103 122 104
inches 4.4 4.6 5.1 3.3 2.3 1.3 1.6 1.9 3 4.1 4.8 4.1
Rainy days 15 13 13 9 6 4 5 6 10 14 15 14

Average annual rainfall in Port Saint John’s: 1026.7mm (404.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Port Saint John’s

Port Saint John’s average daily sunshine chart
Average daily sunshine Port Saint John’s
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.5 7.7 7.4 7.7 7.6 7.9 8.1 8.2 7.4 7.3 7.7 7.7

Day / night temperatures

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

Port Saint John’s average minimum / maximum temperatures (Celsius) Port Saint John’s average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Port Saint John’s (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.4 19.5 18.8 17.1 15.1 12.9 12.5 13.2 14.3 15.3 16.7 18.3
Max °C 25.3 25.4 25.1 24 23 21.6 21.2 21 21.2 21.7 22.9 24.3
Min °F 66.8 67 65.8 62.7 59.1 55.1 54.4 55.8 57.7 59.5 62.1 64.9
Max °F 72.1 72.3 71.4 68.9 66.2 63 62.2 62.8 63.9 65.3 67.6 70.3

Sea temperature

The graph below shows the average sea temperature.

Port Saint John’s average sea temperature chart (Celsius) Port Saint John’s average sea temperature chart (Fahrenheit)
Average sea temperature around Port Saint John’s in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.1 25.8 25.6 24.9 23.8 22.4 21.6 21.1 21.3 21.8 22.7 23.9
°F 77.2 78.4 78.1 76.8 74.8 72.3 70.9 70 70.3 71.3 72.9 75

Wind speed

The graph below shows the average wind speed.

Port Saint John’s average winspeed by month (km/h) Port Saint John’s average winspeed by month (mph)
Average wind speed in Port Saint John’s (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 12 11 10 9 9 10 12 14 16 15 14
mph 8 8 7 6 6 6 7 7 9 10 9 9

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.

Port Saint John’s relative humidity averages
Average relative humidity in Port Saint John’s
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
83% 84% 83% 79% 73% 67% 68% 73% 79% 81% 83% 83%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Port Saint John’s weather stats

Port Saint John’s weather statistics
Hottest month: February 25.2°C 77.4°F
Driest month: June 34mm 1.3ins
Sunniest month: July 8.1hrs
Coldest month: July 20.9°C 69.6°F
Wettest month: March 128mm 5ins
Warmest sea: February 25.8°C 78.4°F
Map showing location of Port Saint John’s (-31.62291, 29.54477) Port Saint John’s map pin © Google

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