Port Royal monthly weather averages

Contents

Average daytime temperature

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

Port Royal average temperature chart (Celsius) Port Royal average temperature chart (Fahrenheit)
Average monthly temperatures in Port Royal (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30.2 30.3 30.4 30.9 31.1 31.6 32.4 32.5 31.8 31.1 30.7 30.5
°F 86.4 86.5 86.8 87.6 88 88.9 90.3 90.5 89.3 87.9 87.3 86.9

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 Royal monthly rainfall chart (mm) Port Royal monthly rainfall chart (inches)
Average monthly rainfall in Port Royal (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 19 27 26 44 101 76 47 106 127 198 88 32
inches 0.7 1.1 1 1.7 4 3 1.8 4.2 5 7.8 3.4 1.2
Rainy days 7 6 6 7 11 11 12 12 14 16 11 8

Average annual rainfall in Port Royal: 828.9mm (326.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Port Royal

Port Royal average daily sunshine chart
Average daily sunshine Port Royal
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.8 8 8.2 8.6 7.3 7.3 8.2 7.9 6.9 6.6 6.9 7.1

Day / night temperatures

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

Port Royal average minimum / maximum temperatures (Celsius) Port Royal average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Port Royal (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 20.2 20.3 21 21.9 23.1 23.6 23.4 23.5 23.4 23.2 22.3 21.1
Max °C 30.5 30.6 30.7 31.1 31.3 31.8 32.6 32.7 32.1 31.3 31 30.8
Min °F 68.3 68.5 69.7 71.4 73.6 74.5 74.1 74.3 74 73.7 72.1 69.9
Max °F 77.5 77.7 78.4 79.7 81 81.9 82.4 82.6 81.9 81 79.9 78.6

Sea temperature

The graph below shows the average sea temperature.

Port Royal average sea temperature chart (Celsius) Port Royal average sea temperature chart (Fahrenheit)
Average sea temperature around Port Royal in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.3 26.9 27 27.5 28 28.4 28.6 29 29.2 29.1 28.7 27.9
°F 81.1 80.5 80.5 81.5 82.5 83.1 83.6 84.2 84.6 84.5 83.7 82.3

Wind speed

The graph below shows the average wind speed.

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

Port Royal relative humidity averages
Average relative humidity in Port Royal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 76% 77% 77% 79% 78% 76% 78% 80% 81% 81% 78%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Port Royal weather stats

Port Royal weather statistics
Hottest month: August 32.5°C 90.5°F
Driest month: January 19mm 0.7ins
Sunniest month: February 8hrs
Coldest month: January 30.2°C 86.4°F
Wettest month: October 198mm 7.8ins
Warmest sea: September 29.2°C 84.6°F
Map showing location of Port Royal (17.93712, -76.84081) Port Royal map pin © Google

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