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Vs > Vientiane
Sierra Leone flag

Freetown vs Vientiane Climate & Distance Between

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  • The distance between Freetown, Sierra Leone and Vientiane, Laos is approximately 12,372 km or 7,688 mi.
  • To reach Freetown in this distance one would set out from Vientiane bearing 287.2° or WNW and follow the great circles arc to approach Freetown bearing 246.8° or WSW .
  • Freetown has a tropical monsoonal climate (Am) whereas Vientiane has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • The annual mean temperature is 1.5 °C (2.7°F) warmer.
  • Average monthly temperatures vary by 4.2 °C (7.6°F) less in Freetown. The continentality subtype is extremely hyperoceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 1296.6 mm (51 in) more which is equivalent to 1296.6 l/m² (31.82 US gal/ft²) or 12,966,000 l/ha (1,386,151 US gal/ac) more. About 1 4/5 as much.
  • There are 233 fewer hours of sunlight per year in Freetown. In whichever way circa 0h 37' less per day or about 1 as many.
  • The altitude of the sun at midday is overall 3.6° higher in Freetown than in Vientiane.
  • Relative humidity levels are 5.6% higher.
  • The mean dew point temperature is 2.6°C (4.7°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +7 (+12) +6 (+11) +4 (+7) 2 (+4) +2 (+4) 2 (+3) 1 (+1) 1 (+1) 2 (+3) +3 (+5) +6 (+11) +7 (+13) +4 (+6)
average temperature iconAverage Temperature °C ( °F) +6 (+10) +4 (+6) +1 (+3) 0 (0) +1 (+1) 0 (-1) -1 (-2) -1 (-2) -1 (-1) +1 (+1) +3 (+6) +6 (+10) +1 (+3)
minimum temperature iconAverage Min Temperature °C ( °F) +7 (+13) +5 (+9) +3 (+5) +1 (+2) 0 (0) -1 (-3) -2 (-3) -2 (-3) -1 (-2) +0 (+1) +5 (+9) +7 (+13) +2 (+3)
rainfall iconAverage Precipitation mm (in) -2 (0) -9 (0) -23 (-1) -38 (-1) -77 (-3) +50 (+2) +469 (+18) +469 (+18) +189 (+7) +179 (+7) +78 (+3) +13 (+1) +1297 (+51)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -1 ( -3) -1 ( -4) -2 ( -6) -4 ( -13) -3 ( -10) +1 (+3) +8 (+26) +5 (+16) +8 (+27) +13 (+42) +9 (+30) +5 (+16)   +38 (+10)
sunshine iconAverage Sunlight Hours/ Day +0h 05' +0h 33' +1h 17' +0h 12' +0h 13' +0h 48' -2h 11' -2h 30' -1h 48' -1h 42' -1h 30' -1h 00'   -0h 37'
daylight iconAverage Daylight Hours & Minutes/ Day +0h 30' +0h 18' +0h 03' -0h 13' -0h 26' -0h 33' -0h 30' -0h 18' -0h 03' +0h 13' +0h 27' +0h 33'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +9.4 +9.3 +9.3 +2.8 -9.2 -9.3 -9 +2.4 +9.1 +9.1 +9.2 +9.4   +3.6
relative humidity iconRelative Humidity (%) +3 +4 +6 +10 +3 +3 +6 +2 +6 +6 +10 +8   +5.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +6 (+11) +4.4 (+8) +2.8 (+5) +2.2 (+4) +1.2 (+2) +0.4 (+1) +0.1 (+0) -0.9 (-2) +0.5 (+1) +1.9 (+3) +5.4 (+10) +7.3 (+13) +2.6 (+5)

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Freetown vs Vientiane Discussion

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