Cayenne monthly weather averages

Contents

Average daytime temperature

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

Cayenne average temperature chart (Celsius) Cayenne average temperature chart (Fahrenheit)
Average monthly temperatures in Cayenne (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28.6 29 29 29.6 29.2 30 30.6 31.4 32.1 32.1 31.1 29.6
°F 83.5 84.2 84.2 85.2 84.5 86 87 88.6 89.7 89.7 88.1 85.3

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.

Cayenne monthly rainfall chart (mm) Cayenne monthly rainfall chart (inches)
Average monthly rainfall in Cayenne (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 367 306 374 439 544 412 200 96 41 46 124 294
inches 14.4 12 14.7 17.3 21.4 16.2 7.9 3.8 1.6 1.8 4.9 11.6
Rainy days 20 16 22 21 26 23 18 9 4 4 11 18

Average annual rainfall in Cayenne: 3194.767mm (1257.8 inches)

Average daily sunshine

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

Cayenne average daily sunshine chart
Average daily sunshine Cayenne
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.3 4.6 4.7 5.3 4.7 5.6 7.3 8.2 8.8 8.9 7.9 5.7

Day / night temperatures

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

Cayenne average minimum / maximum temperatures (Celsius) Cayenne average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cayenne (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 23.1 23.1 23.1 23.5 23.1 22.6 22.5 22.4 22.7 22.7 22.9 23
Max °C 28.8 29.2 29.2 29.7 29.3 30.2 30.8 31.7 32.3 32.3 31.4 29.8
Min °F 73.5 73.5 73.5 74.3 73.6 72.7 72.4 72.2 72.9 72.9 73.1 73.4
Max °F 78.6 79 79 79.9 79.2 79.5 79.9 80.6 81.5 81.5 80.8 79.5

Sea temperature

The graph below shows the average sea temperature.

Cayenne average sea temperature chart (Celsius) Cayenne average sea temperature chart (Fahrenheit)
Average sea temperature around Cayenne in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.1 27.2 27.4 27.7 28 28.3 28.4 28.3 28.3 28.2 28 27.6
°F 80.9 81 81.3 81.9 82.4 83 83.1 82.9 82.9 82.8 82.5 81.7

Wind speed

The graph below shows the average wind speed.

Cayenne average winspeed by month (km/h) Cayenne average winspeed by month (mph)
Average wind speed in Cayenne (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 5 5 5 5 4 4 5 5 6 6 6 6
mph 3 3 3 3 3 3 3 3 4 4 4 4

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.

Cayenne relative humidity averages
Average relative humidity in Cayenne
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 87% 87% 88% 91% 91% 87% 85% 83% 82% 85% 88%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Cayenne weather stats

Cayenne weather statistics
Hottest month: September 32.1°C 89.8°F
Driest month: September 41mm 1.6ins
Sunniest month: October 8.9hrs
Coldest month: January 28.6°C 83.5°F
Wettest month: May 544mm 21.4ins
Warmest sea: July 28.4°C 83.1°F
Map showing location of Cayenne (4.93333, -52.33333) Cayenne map pin © Google