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Freetown vs Cayenne Climate & Distance Between

French Guiana flag
  • The distance between Freetown, Sierra Leone and Cayenne, French Guiana is approximately 4,344 km or 2,699 mi.
  • To reach Freetown in this distance one would set out from Cayenne bearing 82.3° or E and follow the great circles arc to approach Freetown bearing 87° or E .
  • Both have a tropical monsoonal climate (Am).
  • The mean temperature is 0.6 °C (1.1°F) warmer.
  • Average monthly temperatures vary by 1.1 °C (2°F) more in Freetown. The continentality subtype is extremely hyperoceanic for both.
  • Total annual precipitation averages 798.7 mm (31.4 in) less which is equivalent to 798.7 l/m² (19.6 US gal/ft²) or 7,987,000 l/ha (853,863 US gal/ac) less. About 4/5 as much.
  • There are 37 fewer hours of sunlight per year in Freetown. In whichever way circa 0h 04' less per day or about 1 as many.
  • The altitude of the sun at midday is overall 0.6° lower in Freetown than in Cayenne.
  • Relative humidity levels are 4.3% higher.
  • The mean dew point temperature is 1.4°C (2.6°F) higher.

Climate Comparison Table

The table shows values for Freetown relative to Cayenne. You can also view this comparison the other way around from the perspective of Cayenne vs Freetown.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +1 (+2) +1 (+2) +2 (+3) +1 (+2) +2 (+3) +-1 (-2) -2 (-4) -4 (-6) -3 (-5) -2 (-4) +-1 (-2) +0 (-1) +0 (-1)
average temperature iconAverage Temperature °C ( °F) +1 (+2) +2 (+3) +2 (+4) +2 (+3) +2 (+4) +0 (+1) -1 (-1) -2 (-3) -1 (-2) 0 (-1) +1 (+1) +1 (+2) +1 (+1)
minimum temperature iconAverage Min Temperature °C ( °F) +1 (+1) +1 (+2) +1 (+3) +1 (+1) +1 (+3) +1 (+1) +0 (+0) 0 (0) +0 (+0) +0 (+1) +1 (+2) +1 (+2) +1 (+1)
rainfall iconAverage Precipitation mm (in) -428 (-17) -419 (-17) -420 (-17) -433 (-17) -413 (-16) -134 (-5) +460 (+18) +647 (+25) +452 (+18) +224 (+9) -35 (-1) -301 (-12) -799 (-31)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -22 ( -71) -19 ( -67) -19 ( -61) -14 ( -47) -12 ( -39) -6 ( -20) +4 (+13) +10 (+32) +17 (+57) +14 (+45) 0 ( 0) -16 ( -52)   -63 ( -17)
sunshine iconAverage Sunlight Hours/ Day +3h 11' +3h 53' +3h 46' +3h 10' +2h 05' -0h 52' -3h 48' -5h 13' -4h 42' -2h 23' -1h 06' +1h 00'   -0h 04'
daylight iconAverage Daylight Hours & Minutes/ Day -0h 11' -0h 07' -0h 01' +0h 05' +0h 10' +0h 13' +0h 11' +0h 07' +0h 01' -0h 05' -0h 10' -0h 13'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -3.8 -3.8 -3.7 +3.8 +3.8 +3.8 +3.7 +3.7 -3.6 -3.7 -3.7 -3.7   -0.6
relative humidity iconRelative Humidity (%) -7 -6 -8 -2 -2 +6 +13 +15 +20 +15 +8 -1   +4.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -0.3 (-1) +0.2 (+0) +0.3 (+1) +1 (+2) +1.8 (+3) +1.7 (+3) +2 (+4) +1.6 (+3) +3.1 (+6) +2.9 (+5) +2.3 (+4) +0.7 (+1) +1.4 (+3)

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Freetown vs Cayenne Discussion

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