Vs > Cayenne
Uk flag

St. Mary’S, Isles Of Scilly vs Cayenne Climate & Distance Between

French Guiana flag
  • The distance between St. Mary’S, Isles Of Scilly, Uk and Cayenne, French Guiana is approximately 6,602 km or 4,102 mi.
  • To reach St. Mary’S, Isles Of Scilly in this distance one would set out from Cayenne bearing 32.6° or NNE and follow the great circles arc to approach St. Mary’S, Isles Of Scilly bearing 56.5° or ENE .
  • St. Mary’S, Isles Of Scilly has a marine west coast climate (Cfb) whereas Cayenne has a tropical monsoonal climate (Am).
  • The mean temperature is 15.1 °C (27.2°F) cooler.
  • Average monthly temperatures vary by 7.5 °C (13.5°F) more in St. Mary’S, Isles Of Scilly. The continentality subtype is barely hyperoceanic as opposed to extremely hyperoceanic.
  • Total annual precipitation averages 2900 mm (114.2 in) less which is equivalent to 2900 l/m² (71.17 US gal/ft²) or 29,000,000 l/ha (3,100,292 US gal/ac) less. About 2/9 as much.
  • There are 472 fewer hours of sunlight per year in St. Mary’S, Isles Of Scilly. In whichever way circa 1h 17' less per day or about 4/5 as many.
  • The altitude of the sun at midday is overall 34.4° lower in St. Mary’S, Isles Of Scilly than in Cayenne.
  • Relative humidity levels are 3.4% higher.
  • The mean dew point temperature is 14°C (25.1°F) lower.

Climate Comparison Table

The table shows values for St. Mary’S, Isles Of Scilly relative to Cayenne. You can also view this comparison the other way around from the perspective of Cayenne vs St. Mary’S, Isles Of Scilly.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -20 (-36) -20 (-36) -18 (-32) -18 (-32) -15 (-27) -14 (-25) -12 (-22) -13 (-23) -14 (-25) -17 (-31) -19 (-34) -20 (-36) -17 (-30)
average temperature iconAverage Temperature °C ( °F) -19 (-33) -19 (-33) -17 (-31) -18 (-32) -15 (-26) -13 (-23) -11 (-20) -11 (-20) -12 (-22) -15 (-26) -17 (-30) -18 (-32) -15 (-27)
minimum temperature iconAverage Min Temperature °C ( °F) -17 (-31) -17 (-31) -16 (-29) -17 (-31) -14 (-25) -11 (-20) -10 (-18) -9 (-16) -10 (-18) -12 (-22) -14 (-25) -16 (-29) -14 (-24)
rainfall iconAverage Precipitation mm (in) -340 (-13) -352 (-14) -363 (-14) -434 (-17) -534 (-21) -408 (-16) -213 (-8) -80 (-3) +35 (+1) +38 (+1) -26 (-1) -223 (-9) -2900 (-114)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -1 ( -3) -3 ( -11) -5 ( -16) -6 ( -20) -11 ( -35) -12 ( -40) -5 ( -16) +1 (+3) +10 (+33) +12 (+39) +8 (+27) 0 ( 0)   -12 ( -3)
sunshine iconAverage Sunlight Hours/ Day -2h 36' -1h 07' -0h 13' +2h 04' +3h 09' +1h 56' -0h 01' -0h 48' -3h 32' -4h 40' -5h 16' -4h 21'   -1h 17'
daylight iconAverage Daylight Hours & Minutes/ Day -3h 21' -2h 03' -0h 22' +1h 24' +2h 57' +3h 46' +3h 24' +2h 03' +0h 19' -1h 27' -2h 59' -3h 46'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -45 -44.9 -44.8 -30.9 -14.3 -7.9 -13.9 -30.7 -44.7 -44.7 -44.8 -45   -34.4
relative humidity iconRelative Humidity (%) +1 +2 +1 -3 -4 -1 +4 +7 +12 +12 +7 +3   +3.4
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -17.8 (-32) -17.6 (-32) -16.4 (-30) -17.6 (-32) -14.9 (-27) -12.3 (-22) -9.8 (-18) -9.1 (-16) -9 (-16) -11.5 (-21) -14.6 (-26) -17 (-31) -14 (-25)

There are so many comparison pages. Please post a link to one to help people find them:

St. Mary’S, Isles Of Scilly vs Cayenne Discussion

You are welcome to incorporate your thoughts on the differences in climate or other matters such as contrasts in culture, standard of living, demographics etc.

Currently under general maintenance.

Climate Guides for Locations near St. Mary'S, Isles Of Scilly

Climate Guides for Locations near Cayenne


Countries A-Z:         A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | W | Y | Z
Bright Future Dir.

© 2009 - 2015 climatemps.com - Sitemap - Contact Us - Privacy Policy -