Guayanilla monthly weather averages

Average daytime temperature

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

Guayanilla average temperature chart (Celsius) Guayanilla average temperature chart (Fahrenheit)
Average monthly temperatures in Guayanilla (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25 25.2 25.6 26.5 27.3 28 28 28.1 28.1 27.8 26.7 25.5
°F 77 77.3 78 79.6 81.2 82.4 82.4 82.6 82.6 82 80.1 78

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.

Guayanilla monthly rainfall chart (mm) Guayanilla monthly rainfall chart (inches)
Average monthly rainfall in Guayanilla (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 61 59 79 144 226 157 184 254 292 282 171 84
inches 2.4 2.3 3.1 5.7 8.9 6.2 7.2 10 11.5 11.1 6.7 3.3
Rainy days 20 15 15 14 16 17 19 19 18 18 19 21

Average annual rainfall in Guayanilla: 1943.133mm (765 inches)

Average daily sunshine

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

Guayanilla average daily sunshine chart
Average daily sunshine Guayanilla
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.4 8.8 9.5 9.2 8.5 8.9 9.2 9 8.2 7.8 7.5 7.6

Day / night temperatures

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

Guayanilla average minimum / maximum temperatures (Celsius) Guayanilla average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Guayanilla (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17.9 17.7 18.1 18.8 19.9 20.9 21.1 21.1 20.7 20.3 19.7 18.7
Max °C 25.2 25.4 25.8 26.7 27.5 28.2 28.2 28.3 28.3 28 26.9 25.7
Min °F 64.1 63.8 64.5 65.8 67.8 69.5 69.9 70 69.3 68.5 67.5 65.7
Max °F 70.7 70.7 71.4 72.9 74.7 76.1 76.3 76.5 76.1 75.4 73.9 72

Sea temperature

The graph below shows the average sea temperature.

Guayanilla average sea temperature chart (Celsius) Guayanilla average sea temperature chart (Fahrenheit)
Average sea temperature around Guayanilla 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.

Guayanilla average winspeed by month (km/h) Guayanilla average winspeed by month (mph)
Average wind speed in Guayanilla (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 17 17 15 16 18 17 15 13 16 17
mph 10 11 11 10 9 10 11 10 9 8 10 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.

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

Other monthly averages

UV index Best time to go?

Guayanilla weather stats

Guayanilla weather statistics
Hottest month: August 28.1°C 82.6°F
Driest month: February 59mm 2.3ins
Sunniest month: March 9.5hrs
Coldest month: January 25°C 77°F
Wettest month: September 292mm 11.5ins
Warmest sea: September 29°C 84.2°F
Map showing location of Guayanilla (18.01913, -66.79184) Guayanilla map pin © Google

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