St. Lucia Guide - Temperatures

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Annual Temperatures in St. Lucia

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Average High and Low Temperature

	Monthly Averages
Month	High	Low
January	82.0° F	76.0° F
February	82.0° F	76.0° F
March	83.0° F	77.0° F
April	84.0° F	78.0° F
May	86.0° F	80.0° F
June	85.0° F	81.0° F
July	85.0° F	80.0° F
August	86.0° F	80.0° F
September	86.0° F	80.0° F
October	86.0° F	79.0° F
November	84.0° F	79.0° F
December	83.0° F	77.0° F
Annual	84.0° F	78.0° F

Daily High Temperatures

	Cumulative Percent Frequencies
Month	>=95	>=90	>=85	>=80	>=75
January	0 %	0 %	1.7 %	89.5 %	100 %
February	0 %	0 %	3.7 %	85.7 %	99 %
March	0.2 %	0.2 %	22.1 %	91.8 %	99.2 %
April	0 %	2.6 %	41.7 %	97.6 %	99.8 %
May	0 %	3.5 %	64.6 %	98.5 %	100 %
June	0.2 %	0.8 %	67.3 %	98.8 %	100 %
July	0 %	0.8 %	65 %	98.4 %	100 %
August	0 %	1.8 %	72 %	99 %	100 %
September	0.2 %	4 %	71.5 %	96.6 %	100 %
October	0 %	3.6 %	70.2 %	97 %	100 %
November	0 %	1.1 %	40.6 %	94.6 %	100 %
December	0 %	0 %	7.4 %	93.4 %	99.6 %
Annual	0 %	1.5 %	43.9 %	95.1 %	99.8 %

Daily Low Temperatures

	Cumulative Percent Frequencies
Month	>=85	>=80	>=75	>=70	>=65
January	0 %	7.3 %	75.4 %	99.1 %	100 %
February	0.4 %	10.8 %	75.1 %	98.8 %	100 %
March	0.8 %	13.9 %	80.9 %	99.6 %	100 %
April	3.7 %	28.9 %	91.1 %	100 %	100 %
May	5 %	50.3 %	96.9 %	100 %	100 %
June	2.9 %	65.5 %	99.4 %	100 %	100 %
July	3.5 %	57.8 %	98.2 %	100 %	100 %
August	2.7 %	54.1 %	99.2 %	100 %	100 %
September	4 %	46.2 %	97 %	100 %	100 %
October	4.6 %	40.6 %	96.6 %	100 %	100 %
November	2.2 %	33.3 %	93.6 %	100 %	100 %
December	0 %	11.3 %	82.9 %	99.6 %	100 %
Annual	2.5 %	35 %	90.5 %	99.8 %	100 %

Average Temperature by Time of Day

	Average Temperatures throughout the Day
Month	Early Morning	Late Morning	Early Afternoon	Late Afternoon	Early Evening	Overall
January	76.8° F	81.2° F	81.6° F	79.5° F	76.2° F	79.2° F
February	76.9° F	81.1° F	81.7° F	79.5° F	76.2° F	79.2° F
March	78.3° F	82.3° F	82.9° F	80.5° F	76.8° F	80.3° F
April	80.0° F	83.8° F	84.1° F	81.4° F	78.2° F	81.7° F
May	81.3° F	84.9° F	85.3° F	82.5° F	79.5° F	82.9° F
June	81.7° F	84.7° F	85.0° F	82.8° F	80.5° F	83.1° F
July	81.5° F	84.5° F	84.9° F	82.7° F	80.2° F	82.9° F
August	81.5° F	84.9° F	85.4° F	83.0° F	80.3° F	83.1° F
September	81.8° F	85.3° F	85.2° F	82.6° F	80.0° F	83.1° F
October	81.5° F	85.4° F	85.0° F	82.1° F	79.5° F	82.9° F
November	80.3° F	83.8° F	83.5° F	80.8° F	78.7° F	81.6° F
December	78.3° F	82.0° F	82.3° F	79.9° F	77.3° F	80.1° F
Annual	80.0° F	83.6° F	83.9° F	81.4° F	78.6° F	81.7° F

Cooling Degree Days

Month	Cooling Degree Days
January	430.6
February	362.5
March	457.4
April	475.8
May	557.3
June	543.3
July	562.3
August	548.3
September	522.3
October	545.3
November	487.7
December	466.3
Annual	0.0