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 5.4 6.2 8.8 11.8 15.6 18.8 21 20.8 18.5 14.2 9.2 6.3
°F 41.8 43.1 47.9 53.3 60 65.8 69.8 69.5 65.3 57.6 48.6 43.4

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 67 52 59 48 62 57 58 57 68 72 79 70
inches 2.6 2.1 2.3 1.9 2.4 2.2 2.3 2.2 2.7 2.8 3.1 2.8
Rainy days 17 15 16 15 15 13 12 12 13 15 17 17

Average annual rainfall in Cayenne: 799.466mm (314.8 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 2.2 3.4 4.6 6.2 7.2 8 8 7.7 6.2 4.5 3 2

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 1.1 1.1 2.6 4.6 7.9 10.9 12.8 12.6 10.7 7.8 4.1 2
Max °C 5.6 6.3 9 12 15.8 19 21.2 21.1 18.7 14.4 9.4 6.5
Min °F 33.9 34 36.7 40.3 46.1 51.5 55 54.6 51.3 46 39.3 35.5
Max °F 37.9 38.7 42.4 46.9 53.2 58.8 62.6 62.2 58.5 52 44.1 39.6

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 9.1 8 8.1 9.4 11.4 13.9 16.1 17.7 17.5 15.9 13.3 10.8
°F 48.4 46.5 46.6 48.9 52.5 56.9 61 63.8 63.5 60.5 56 51.5

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 17 17 17 17 15 14 13 13 14 14 16 17
mph 11 10 11 10 9 9 8 8 9 9 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.

Cayenne relative humidity averages
Average relative humidity in Cayenne
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 83% 78% 79% 79% 77% 77% 81% 86% 90% 91%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Cayenne weather stats

Cayenne weather statistics
Hottest month: July 21°C 69.8°F
Driest month: April 48mm 1.9ins
Sunniest month: August 7.7hrs
Coldest month: January 5.4°C 41.7°F
Wettest month: November 79mm 3.1ins
Warmest sea: August 17.7°C 63.9°F
Map showing location of Cayenne (49.55858, 1.62803) Cayenne map pin © Google

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