BISSAU, GUINEA-BISSAU

Average Temperature

Years on Record: 15

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

Average High Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		30		32		32		32		32		30		28		28		29		30		31		30

Average Low Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24		21		22		23		24		25		25		25		25		25		26		25		22

Highest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45		41		42		42		45		41		42		42		42		39		42		42		45

Lowest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		15		17		17		17		18		18		21		20		21		20		16		15

Average Number of Days Above 95F/35C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36		2		7		10		8		4		1		---		1		---		1		1		1

Average Number of Days Above 86F/30C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		261		21		23		27		27		28		24		14		12		15		24		25		20

Average Number of Days Below 75F/23C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		193		25		21		22		19		15		9		11		13		12		9		15		23

Average Number of Days Below 65F/18C

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		4		2		---		---		---		---		---		---		---		---		---		2

Average Number of Days With Precipitation

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		1		1		1		1		2		6		11		13		10		4		2		1

Average Number of Rainy Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		1		1		1		1		2		6		11		13		10		4		2		1

Average Number of Days With Thunderstorms

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		---		---		---		---		---		3		5		5		5		3		1		---

Average Morning Relative Humidity

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82		62		71		77		78		83		89		91		93		92		91		86		73

Average Evening Relative Humidity

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		50		29		27		31		38		46		61		70		75		71		65		49		34

Average Dew Point

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		10		13		15		17		19		22		23		23		23		23		20		13

Cooling Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3580.1		232.5		258.9		310		308.3		318.6		291.7		275.6		258.3		275		310		291.7		249.7

Growing Degree Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6830.5		490.8		494.4		568.3		558.3		576.9		541.7		533.9		516.7		525		568.3		541.7		508.1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.9		12.1		12.4		12.8		13.1		13.2		13.1		12.9		12.5		12.2		11.9		11.8

Average Number of Days With Fog

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91		5		8		11		14		15		5		2		2		2		7		13		7

Average Number of Days With Smoke/Haze

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		20		15		21		20		16		3		---		---		---		4		11		16

Average No. of Days With Vision Obstruction

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		175		22		19		25		25		22		7		3		3		3		9		18		19

Average Wind Speed

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12		14		12		14		14		16		14		14		12		12		9		9		9

Average No. of Days With Blowing Dust/Sand

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		175		22		19		25		25		22		7		3		3		3		9		18		19

Average 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		19.3		21.2		23.3		24.3		23.5		20.4		18.3		17.3		17.6		18.3		19		18.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		5		5.7		6.3		6.9		7.1		7.7		8.2		8.4		8		6.9		5.5		5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.6		21.2		22.4		23.6		23.5		23.4		20.4		18.1		17		17.4		18.9		20.6		20.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.2		23.8		24		24.8		24.7		23.6		18.4		14.6		12.7		13.9		17.3		22.1		22.8

Maximum 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		19.3		21.2		23.3		24.3		23.5		20.4		18.3		17.3		17.6		18.3		19		18.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		5.8		6.6		6.8		7.6		7.6		8.1		8.3		8.4		8.1		7.2		5.9		5.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		24.2		24.2		25.7		24.7		24.7		22.2		19.9		19.3		18.6		21.1		21.6		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		23.6		29.6		27.5		28.9		27.1		26.1		21.5		17.5		16.4		15.8		21.1		24		27.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		17.1		18.5		21.9		22.5		22		18.6		16.4		15.2		16.2		17		17.8		16.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		4		5		5.5		6.4		6.6		7.3		7.9		8.1		7.8		6.4		5.2		4.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		18.6		19.4		22.2		21.8		21.8		18.6		16.3		14.9		16		17.5		19.2		18.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		19		18.5		22		21.2		20.6		15.3		11.8		9.7		11.7		14.8		19.6		19.1