Guaynabo monthly weather averages

Contents

Average daytime temperature

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

Guaynabo average temperature chart (Celsius) Guaynabo average temperature chart (Fahrenheit)
Average monthly temperatures in Guaynabo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.7 26.9 27.5 28.3 29.3 30 29.9 30.2 30.2 29.9 28.5 27.3
°F 80.1 80.4 81.5 83 84.7 86 85.8 86.3 86.4 85.8 83.4 81.2

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.

Guaynabo monthly rainfall chart (mm) Guaynabo monthly rainfall chart (inches)
Average monthly rainfall in Guaynabo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 116 82 79 121 182 152 180 195 188 171 178 151
inches 4.5 3.2 3.1 4.8 7.1 6 7.1 7.7 7.4 6.7 7 5.9
Rainy days 20 15 15 14 16 17 19 20 18 18 19 21

Average annual rainfall in Guaynabo: 1746.534mm (687.6 inches)

Average daily sunshine

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

Guaynabo average daily sunshine chart
Average daily sunshine Guaynabo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.3 8.8 9.6 9.4 8.7 9.1 9.5 9.2 8.3 7.8 7.3 7.6

Day / night temperatures

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

Guaynabo average minimum / maximum temperatures (Celsius) Guaynabo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Guaynabo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 20.1 19.8 20.6 21.3 22.4 23.3 23.6 23.7 23.4 23 22.1 21.1
Max °C 26.9 27.1 27.7 28.5 29.5 30.2 30.1 30.4 30.4 30.1 28.7 27.5
Min °F 68.2 67.6 69 70.3 72.2 73.9 74.4 74.6 74.1 73.3 71.8 70
Max °F 74.3 74.1 75.4 76.8 78.6 80.1 80.2 80.6 80.4 79.7 77.7 75.7

Sea temperature

The graph below shows the average sea temperature.

Guaynabo average sea temperature chart (Celsius) Guaynabo average sea temperature chart (Fahrenheit)
Average sea temperature around Guaynabo in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.6 26.2 26.2 26.7 27.5 28.1 28.4 28.7 29 28.9 28.3 27.3
°F 79.9 79.2 79.2 80.1 81.4 82.6 83 83.7 84.2 84 82.9 81.2

Wind speed

The graph below shows the average wind speed.

Guaynabo average winspeed by month (km/h) Guaynabo average winspeed by month (mph)
Average wind speed in Guaynabo (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 16 16 15 16 17 16 14 13 15 16
mph 10 10 10 10 9 10 11 10 9 8 9 10

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.

Guaynabo relative humidity averages
Average relative humidity in Guaynabo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 73% 72% 72% 76% 76% 76% 77% 77% 77% 77% 75%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Guaynabo weather stats

Guaynabo weather statistics
Hottest month: August 30.2°C 86.4°F
Driest month: March 79mm 3.1ins
Sunniest month: March 9.6hrs
Coldest month: February 26.9°C 80.4°F
Wettest month: August 195mm 7.7ins
Warmest sea: September 29°C 84.2°F
Map showing location of Guaynabo (18.35745, -66.111) Guaynabo map pin © Google

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