Puerto Rico monthly weather averages

Contents

Average daytime temperature

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

Puerto Rico average temperature chart (Celsius) Puerto Rico average temperature chart (Fahrenheit)
Average monthly temperatures in Puerto Rico (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 18.1 18.6 19.6 19.9 21 22.7 25.2 25.7 25.2 23.5 21 18.9
°F 64.6 65.4 67.3 67.8 69.9 72.9 77.4 78.3 77.4 74.3 69.8 66.1

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.

Puerto Rico monthly rainfall chart (mm) Puerto Rico monthly rainfall chart (inches)
Average monthly rainfall in Puerto Rico (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 39 37 26 19 7 2 1 1 11 24 43 45
inches 1.5 1.5 1 0.8 0.3 0.1 0 0 0.4 1 1.7 1.8
Rainy days 3 3 3 3 2 1 1 1 2 3 4 5

Average annual rainfall in Puerto Rico: 268.5559866mm (105.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Puerto Rico

Puerto Rico average daily sunshine chart
Average daily sunshine Puerto Rico
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.9 7.5 7.7 8.2 9.1 9.8 10.1 9.8 8.4 7.6 6.9 6.7

Day / night temperatures

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

Puerto Rico average minimum / maximum temperatures (Celsius) Puerto Rico average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Puerto Rico (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.1 12.1 12.8 13.1 14.4 16.1 18.2 18.9 18.4 17 15.1 12.8
Max °C 18.3 18.7 19.8 20 21.2 22.9 25.4 25.9 25.4 23.7 21.2 19.1
Min °F 53.7 53.7 55 55.6 57.9 60.9 64.7 66 65.1 62.5 59.2 55
Max °F 59.3 59.7 61.3 61.8 64 67 71.2 72.3 71.4 68.5 64.6 60.7

Sea temperature

The graph below shows the average sea temperature.

Puerto Rico average sea temperature chart (Celsius) Puerto Rico average sea temperature chart (Fahrenheit)
Average sea temperature around Puerto Rico in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19.5 18.9 18.8 19.2 20.1 21.2 21.9 22.6 23.3 23.2 22.2 20.8
°F 67.1 65.9 65.9 66.6 68.1 70.1 71.4 72.7 73.9 73.8 71.9 69.4

Wind speed

The graph below shows the average wind speed.

Puerto Rico average winspeed by month (km/h) Puerto Rico average winspeed by month (mph)
Average wind speed in Puerto Rico (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 14 16 16 17 19 19 19 16 14 13 13
mph 8 9 10 10 11 12 12 12 10 9 8 8

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.

Puerto Rico relative humidity averages
Average relative humidity in Puerto Rico
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 68% 66% 67% 66% 68% 65% 66% 68% 70% 70% 70%
Puerto Rico

Other monthly averages

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Puerto Rico weather stats

Puerto Rico weather statistics
Hottest month: August 25.7°C 78.3°F
Driest month: July 1mm 0ins
Sunniest month: August 9.8hrs
Coldest month: January 18.1°C 64.6°F
Wettest month: December 45mm 1.8ins
Warmest sea: September 23.3°C 73.9°F
Map showing location of Puerto Rico (27.78943, -15.71045) Puerto Rico map pin © Google

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