Guantánamo monthly weather averages

Average daytime temperature

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

Guantánamo average temperature chart (Celsius) Guantánamo average temperature chart (Fahrenheit)
Average monthly temperatures in Guantánamo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.6 29.6 30.4 31.1 31.4 32.3 33.3 33.3 32.6 32 31 30
°F 85.2 85.3 86.8 87.9 88.5 90.2 91.9 92 90.6 89.6 87.7 86

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.

Guantánamo monthly rainfall chart (mm) Guantánamo monthly rainfall chart (inches)
Average monthly rainfall in Guantánamo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 26 32 52 83 145 94 60 97 132 164 64 26
inches 1 1.2 2 3.3 5.7 3.7 2.4 3.8 5.2 6.4 2.5 1
Rainy days 6 6 6 8 12 11 12 13 14 15 9 6

Average daily sunshine

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

Guantánamo average daily sunshine chart
Average daily sunshine Guantánamo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.2 7.4 7.7 8 6.7 6.8 7.9 7.4 6.5 6.3 6.5 6.7

Day / night temperatures

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

Guantánamo average minimum / maximum temperatures (Celsius) Guantánamo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Guantánamo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.2 18.3 19.1 20.1 21.6 22.5 22.7 22.6 22.4 22 20.8 19
Max °C 29.9 29.9 30.7 31.4 31.7 32.6 33.6 33.6 32.8 32.3 31.2 30.3
Min °F 64.7 64.9 66.4 68.1 70.8 72.4 72.8 72.7 72.3 71.5 69.4 66.1
Max °F 75.2 75.4 76.8 78.3 79.9 81.5 82.6 82.6 81.7 80.8 78.8 76.3

Sea temperature

The graph below shows the average sea temperature.

Guantánamo average sea temperature chart (Celsius) Guantánamo average sea temperature chart (Fahrenheit)
Average sea temperature around Guantánamo in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.5 26.2 26.3 26.8 27.6 28.6 29 29.3 29.5 29.1 28.2 27.2
°F 79.7 79.2 79.3 80.3 81.6 83.4 84.2 84.8 85 84.4 82.8 81

Wind speed

The graph below shows the average wind speed.

Guantánamo average winspeed by month (km/h) Guantánamo average winspeed by month (mph)
Average wind speed in Guantánamo (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 8 9 9 8 7 8 8 7 7 8 8
mph 5 5 6 5 5 5 5 5 5 4 5 5

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.

Guantánamo relative humidity averages
Average relative humidity in Guantánamo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 74% 73% 73% 77% 78% 74% 76% 80% 81% 79% 76%

Other monthly averages

UV index Best time to go?

Guantánamo weather stats

Guantánamo weather statistics
Hottest month: July 33.3°C 91.9°F
Driest month: December 26mm 1ins
Sunniest month: January 7.2hrs
Coldest month: January 29.6°C 85.3°F
Wettest month: October 164mm 6.5ins
Warmest sea: September 29.5°C 85.1°F
Map showing location of Guantánamo (20.14444, -75.20917)

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