Arecibo monthly weather averages

Average daytime temperature

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

Arecibo average temperature chart (Celsius) Arecibo average temperature chart (Fahrenheit)
Average monthly temperatures in Arecibo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.9 26.1 26.6 27.6 28.5 29.1 29.3 29.3 29.3 29.1 28 27.1
°F 78.7 79 79.8 81.6 83.4 84.4 84.7 84.8 84.8 84.3 82.5 80.8

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.

Arecibo monthly rainfall chart (mm) Arecibo monthly rainfall chart (inches)
Average monthly rainfall in Arecibo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 108 83 83 149 240 145 131 180 196 189 159 126
inches 4.2 3.3 3.3 5.9 9.5 5.7 5.1 7.1 7.7 7.4 6.3 5
Rainy days 19 14 14 13 15 16 18 19 17 18 18 20

Average annual rainfall in Arecibo: 1740.267mm (685.1 inches)

Average daily sunshine

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

Arecibo average daily sunshine chart
Average daily sunshine Arecibo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.4 8.8 9.5 9.4 8.6 9 9.4 9.1 8.4 7.9 7.6 7.7

Day / night temperatures

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

Arecibo average minimum / maximum temperatures (Celsius) Arecibo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Arecibo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.3 19.1 19.7 20.5 21.5 22.3 22.8 22.7 22.3 22 21.4 20.8
Max °C 26.1 26.3 26.8 27.8 28.7 29.3 29.5 29.5 29.5 29.3 28.2 27.3
Min °F 66.7 66.4 67.4 68.8 70.7 72.1 73 72.9 72.1 71.5 70.5 69.4
Max °F 72.9 72.9 73.8 75.4 77.2 78.4 79 79 78.6 78.1 76.6 75.2

Sea temperature

The graph below shows the average sea temperature.

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

Arecibo average winspeed by month (km/h) Arecibo average winspeed by month (mph)
Average wind speed in Arecibo (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 11 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.

Arecibo relative humidity averages
Average relative humidity in Arecibo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 76% 75% 75% 78% 78% 79% 79% 79% 79% 79% 78%

Other monthly averages

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Arecibo weather stats

Arecibo weather statistics
Hottest month: July 29.3°C 84.7°F
Driest month: March 83mm 3.3ins
Sunniest month: March 9.5hrs
Coldest month: January 25.9°C 78.6°F
Wettest month: May 240mm 9.4ins
Warmest sea: September 29°C 84.2°F
Map showing location of Arecibo (18.47244, -66.71573) Arecibo map pin © Google

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