SAINT JOHN'S, ANTIGUA AND BARBUDA

Average Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27		25		25		25		26		27		28		28		28		28		27		26		25

Average High Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28		27		27		27		28		28		29		30		30		30		29		28		27

Average Low Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24		23		22		23		23		25		26		26		26		26		25		24		23

Highest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33		30		31		30		31		31		32		32		33		32		32		31		30

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		17		17		17		17		21		22		21		22		21		18		20		17

Average Number of Days Above 86F/30C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		139		1		---		2		6		11		20		24		26		22		20		8		1

Average Number of Days Below 75F/23C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		160		26		25		27		19		8		2		3		2		5		7		13		24

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		740		30		20		30		30		60		70		80		80		90		110		90		50

Average Number of Days With Precipitation

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176		17		13		13		11		13		13		15		16		15		16		17		17

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		175		17		13		13		11		13		13		15		16		15		15		17		17

Average Number of Days With Thunderstorms

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		---		---		---		---		1		1		2		3		4		3		2		---

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79.6		80		80		75		80		80		80		80		80		80		80		80		80

Average Evening Relative Humidity

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		76		75		72		72		73		76		76		76		77		78		79		79		77

Average Dew Point

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22		20		20		20		21		22		23		23		23		23		23		22		21

Cooling Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3242.7		215.3		188.3		223.9		233.3		266.9		283.3		301.4		301.4		291.7		284.2		250		223.9

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6493.1		473.6		423.8		482.2		483.3		525.3		533.3		559.7		559.7		541.7		542.5		500		482.2

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.6		12		12.4		12.9		13.3		13.5		13.4		13.1		12.6		12.1		11.7		11.5

Average Number of Days With Smoke/Haze

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93		4		4		5		5		8		18		16		12		10		6		3		2

Average No. of Days With Vision Obstruction

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		5		5		6		6		10		19		17		12		11		7		4		3

Average Wind Speed

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		22		25		25		22		20		20		22		25		22		20		19		22		22

Average No. of Days With Blowing Dust/Sand

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40		3		3		3		2		4		8		6		3		3		2		2		1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		18.5		21.2		24.3		25.5		25.1		25.2		25.3		24.9		22.7		20.8		18		17.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		4.2		4.8		5.3		6.3		7		6.9		6.8		6.7		6.4		5.4		4.7		4.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.4		21.8		23.6		25.2		24.7		24.4		25.6		25.6		23.5		22.8		22.5		20.8		20.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.7		25.4		26.7		28.4		27.6		25.9		26.4		26.5		26.1		23.9		24.4		23		24.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		18.5		21.2		24.3		25.5		25.1		25.2		25.3		24.9		22.7		20.8		18		17.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		4.6		5.6		6.1		7.1		8.1		7.6		7.5		7.9		7.3		6.4		5.6		4.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.4		23.3		24.6		26.9		26.7		26.8		27.9		27.3		25.1		25.2		24.9		23.2		22.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.5		28.1		28.7		32		32		30.7		30.7		29.9		29.4		28.7		28.9		27.5		27.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		17.5		19.1		22.5		23.6		22		23.3		23.6		21.2		19.7		17.8		15.3		16

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		3.7		4.4		4.5		5.3		6		6		6.1		5.9		5.4		4.5		4		3.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.9		20.4		21		23.3		22.8		21.3		23.6		23.7		20.1		19.8		18.9		17.2		18.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.9		22.9		21.9		24.6		23.6		19.8		22.6		23.1		19		18.1		17.8		16.9		20.7