Derriere Morne, Vieux Fort, Saint Lucia Climate

Weather: 30.63°C/87.13°F, Wind SW at 7.72 km/h, 69% Humidity, 0% Chance of rain

Derriere Morne Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Derriere Morne has a Tropical rainforest climate climate (Classification: Af). The district’s yearly temperature is 28.35ºC (83.03ºF) and it is 0.58% higher than Saint Lucia’s averages. Derriere Morne typically receives about 107.47 millimeters (4.23 inches) of precipitation and has 225.01 rainy days (61.65% of the time) annually.

CountrySaint Lucia
CityVieux Fort
Longitude-60.9496433
Latitude13.720608
Attitude/ElevationNonem (0ft)
Local timeThursday 00:55
Annual high temperature28.98ºC (84.16ºF)
Annual low temperature27.25ºC (81.05ºF)
Average annual precip.107.47mm (4.23in)
Warmest monthSeptember (30.33ºC / 86.59ºF)
Coldest MonthFebruary (26.01ºC / 78.82ºF)
Wettest MonthOctober (196.98mm / 7.76in)
Driest MonthFebruary (41.01mm / 1.61in)
Number of days with rainfall (≥ 1.0 mm)225.01 days (61.65%)
Days with no rain139.99 days (38.35%)
Humidity77.19%

Climate Derriere Morne: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.71(83.68)28.71(83.68)28.71(83.68)29.73(85.51)30.76(87.37)30.76(87.37)30.76(87.37)31.78(89.2)32.81(91.06)31.78(89.2)30.76(87.37)29.73(85.51)32.81(91.06)
Average high °C (°F)27.81(82.06)27.61(81.7)27.81(82.06)28.35(83.03)29.12(84.42)29.36(84.85)29.43(84.97)29.94(85.89)30.33(86.59)30.09(86.16)29.34(84.81)28.5(83.3)28.97(84.15)
Daily mean °C (°F)27.2(80.96)27.04(80.67)27.17(80.91)27.79(82.02)28.52(83.34)28.73(83.71)28.86(83.95)29.29(84.72)29.67(85.41)29.39(84.9)28.73(83.71)27.84(82.11)28.35(83.03)
Average low °C (°F)26.24(79.23)26.01(78.82)26.1(78.98)26.65(79.97)27.42(81.36)27.82(82.08)27.85(82.13)28.03(82.45)28.38(83.08)28.13(82.63)27.61(81.7)26.74(80.13)27.25(81.05)
Record low °C (°F)20.51(68.92)19.48(67.06)19.48(67.06)22.56(72.61)22.56(72.61)23.58(74.44)24.61(76.3)20.51(68.92)23.58(74.44)20.51(68.92)21.53(70.75)21.53(70.75)19.48(67.06)
Average precipitation mm (inches)52.39(2.06)41.01(1.61)47.39(1.87)66.14(2.6)78.63(3.1)113.39(4.46)151.92(5.98)156.8(6.17)171.72(6.76)196.98(7.76)131.61(5.18)81.56(3.21)107.46(4.23)
Average precipitation days (≥ 1.0 mm)16.413.7914.8214.9218.1821.0723.7722.7420.5120.8820.0417.8918.75
Average relative humidity (%)75.975.576.5377.3677.8778.1578.3777.9376.2777.1778.0977.1177.18
Mean monthly sunshine hours9.4711.3611.3812.7112.7412.7212.7412.6712.1811.199.058.5811.4

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Derriere Morne in recent years.

Derriere Morne

Derriere Morne Temperature by Month

September
29.67°C | 85.41°F
October
29.39°C | 84.9°F
August
29.29°C | 84.72°F
July
28.86°C | 83.95°F
June
28.73°C | 83.71°F
November
28.73°C | 83.71°F
May
28.52°C | 83.34°F
December
27.84°C | 82.11°F
April
27.79°C | 82.02°F
January
27.2°C | 80.96°F
March
27.17°C | 80.91°F
February
27.04°C | 80.67°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature32.81°C (91.06°F)30.79°C (87.42°F)29.73°C (85.51°F)
Avg Temperature30.76°C (87.37°F)29.83°C (85.69°F)28.71°C (83.68°F)
Min Temperature29.73°C (85.51°F)28.37°C (83.07°F)27.68°C (81.82°F)
Dew PointMaxAverageMin
Dew Point24.61°C (76.3°F)23.89°C (75.0°F)22.56°C (72.61°F)
PrecipitationMaxAverageMinSum
Precipitation31.17mm | 1.23in7.88mm | 0.31in0.0mm | 0in236.36mm | 9.31in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind24.61kmh | 15.29mph13.57kmh | 8.43mph6.15kmh | 3.82mph
Gust Wind34.86kmh | 21.66mph19.21kmh | 11.94mph9.23kmh | 5.74mph
Sea Level PressureMaxAverageMin
Sea Level Pressure31.17mb7.88mb0.0mb
Derriere Morne

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2010-09-0129.73 | 85.5124.61 | 76.37412.3 | 7.6430.64 | 1037.610.56 | 0.42
2010-09-0230.76 | 87.3724.61 | 76.37520.51 | 12.7430.7 | 1039.650.72 | 0.03
2010-09-0330.76 | 87.3724.61 | 76.37318.46 | 11.4730.7 | 1039.650.21 | 0.01
2010-09-0429.73 | 85.5123.58 | 74.447110.25 | 6.3730.67 | 1038.635.64 | 0.22
2010-09-0529.73 | 85.5123.58 | 74.44708.2 | 5.130.64 | 1037.63.38 | 0.13
2010-09-0630.76 | 87.3723.58 | 74.44729.23 | 5.7430.67 | 1038.630.21 | 0.01
2010-09-0729.73 | 85.5124.61 | 76.37510.25 | 6.3730.64 | 1037.614.35 | 0.56
2010-09-0829.73 | 85.5123.58 | 74.447315.38 | 9.5630.61 | 1036.582.26 | 0.09
2010-09-0928.71 | 83.6823.58 | 74.447512.3 | 7.6430.58 | 1035.5526.56 | 1.05
2010-09-1029.73 | 85.5123.58 | 74.44759.23 | 5.7430.58 | 1035.556.36 | 0.25
2010-09-1129.73 | 85.5123.58 | 74.447411.28 | 7.0130.58 | 1035.5512.92 | 0.51
2010-09-1229.73 | 85.5124.61 | 76.37513.33 | 8.2830.58 | 1035.555.95 | 0.23
2010-09-1329.73 | 85.5124.61 | 76.37712.3 | 7.6430.58 | 1035.555.13 | 0.2
2010-09-1429.73 | 85.5122.56 | 72.61717.18 | 4.4630.61 | 1036.580.0 | 0
2010-09-1529.73 | 85.5123.58 | 74.44729.23 | 5.7430.58 | 1035.550.0 | 0
2010-09-1629.73 | 85.5124.61 | 76.37414.35 | 8.9230.52 | 1033.50.1 | 0.0
2010-09-1729.73 | 85.5123.58 | 74.447214.35 | 8.9230.52 | 1033.50.0 | 0
2010-09-1829.73 | 85.5123.58 | 74.447114.35 | 8.9230.61 | 1036.5821.94 | 0.86
2010-09-1929.73 | 85.5123.58 | 74.447313.33 | 8.2830.64 | 1037.613.33 | 0.52
2010-09-2029.73 | 85.5123.58 | 74.447415.38 | 9.5630.58 | 1035.554.92 | 0.19
2010-09-2128.71 | 83.6823.58 | 74.447319.48 | 12.130.61 | 1036.5819.07 | 0.75
2010-09-2229.73 | 85.5124.61 | 76.37524.61 | 15.2930.61 | 1036.586.36 | 0.25
2010-09-2329.73 | 85.5123.58 | 74.447320.51 | 12.7430.61 | 1036.585.23 | 0.21
2010-09-2429.73 | 85.5123.58 | 74.447317.43 | 10.8330.58 | 1035.556.77 | 0.27
2010-09-2530.76 | 87.3723.58 | 74.44707.18 | 4.4630.58 | 1035.555.54 | 0.22
2010-09-2630.76 | 87.3723.58 | 74.44706.15 | 3.8230.58 | 1035.5512.2 | 0.48
2010-09-2729.73 | 85.5123.58 | 74.447410.25 | 6.3730.58 | 1035.5531.17 | 1.23
2010-09-2829.73 | 85.5123.58 | 74.447416.4 | 10.1930.55 | 1034.533.18 | 0.13
2010-09-2929.73 | 85.5124.61 | 76.37518.46 | 11.4730.58 | 1035.553.69 | 0.15
2010-09-3029.73 | 85.5124.61 | 76.37615.38 | 9.5630.58 | 1035.558.61 | 0.34

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