S?O TOM?, SAO TOME AND PRINCIPE

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Elevation: 66 feet Latitude: 00 20N Longitude: 006 44E

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

01:28 am

01:35 pm
Local Time
6:33 pm EDT
19 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		76.1		77.4		78.3		78.4		78.4		77.4		74.5		72.9		73.2		74.5		75.4		76.3		76.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		78.8		80.6		81.9		82		81.9		79.9		76.8		74.8		74.7		76.1		77.4		78.8		79.7

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		67.3		68.4		68.9		68.7		68.7		68.5		66.2		64.8		64.9		66.4		67.1		67.6		68

PRECIPITATION

Average Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		69.3		6.1		4.7		7		7.8		7.6		1.2		1.1		2.5		4.5		10.1		9.2		7.6

Average Number of Days With Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		154.4		12.5		11.5		15.3		15.8		13.9		8.5		6.7		8.8		13.7		18.1		17.3		12.3

HUMIDITY

Average Relative Humidity

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		84.3		84.7		83		82.3		83		84.8		83		83.4		84		85.3		86.8		85.9		85.7

Average Dew Point

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		71		72.4		72.7		72.6		72.8		72.4		69		67.5		68.1		69.8		71.2		71.7		72

DEGREE DAYS

Cooling Degree Days

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4052		384.4		375.7		415.4		402		384.4		285		244.9		254.2		285		322.4		339		359.6

Growing Degree Days

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9530.8		849.4		799.5		880.4		852		849.4		735		709.9		719.2		735		787.4		789		824.6

BAROMETER

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		0.7		0.8		0.8		0.8		0.8		0.8		0.7		0.6		0.7		0.7		0.7		0.7		0.8

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		12.5		12.5		12.5		12.5		12.5		12.5		12.5		12.5		12.5		12.5		12.5		12.5

Average Possibility of Sunshine

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		29.4		31.8		36.3		33.7		35.1		32.7		33.1		28.3		23		19.4		21.3		27.9		30.4

Average Percent of Cloud Cover

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		92.8		91		86		87		88		93		93		95		97		97		97		96		93

WIND

Average Wind Speed

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		7.5		6.5		6.7		6.7		6.5		6		7.4		7.6		8.3		11.2		8.3		7.4		7.4

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		5.3		5.4		5.2		4.8		4.8		4.9		4.9		5.1		5.2		5		4.8		4.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		2		2.2		2.3		2.2		2		1.9		1.9		2.1		2.2		2.2		2.1		2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		5.2		5.4		5.2		4.8		4.8		4.9		4.8		5		5.1		4.9		4.7		4.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		4.9		4.7		4.2		3.8		4.2		4.7		4.5		4.4		4.1		3.9		4		4.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		5.3		5.4		5.2		4.8		4.8		4.9		4.9		5.1		5.2		5		4.8		4.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.2		2.1		2.2		2.3		2.2		2.1		2		2		2.2		2.3		2.3		2.2		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		6.2		5.9		6		5.2		5.5		5.6		5.5		5.6		5.8		5.6		5.4		5.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.6		6.9		5.7		5.6		4.5		5.5		6.1		5.8		5.5		5.3		5.1		5.2		5.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		4.6		5.1		4.7		4.2		4		4.3		3.4		4.1		4.6		4.2		4.1		4.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2		1.7		2		2.1		2.2		1.9		1.7		1.8		1.9		2.1		2.1		2		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		4.5		5		4.6		4.1		3.9		4.3		3.4		4.1		4.5		4.1		4.1		4.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		3.7		4.2		3.3		2.8		2.8		3.6		2.2		2.8		3.2		2.8		3		3.4

NEARBY - MAP

NEARBY - LIST

Bela Vista, Sao Tome and Principe (3 mi / 4 km)
Sao Tome, Sao Tome and Principe (3 mi / 5 km)
Santo Antonio, Sao Tome And Principe (101 mi / 163 km)
Belo Monte, Sao Tome and Principe (102 mi / 165 km)
Santo Antonio, Sao Tome and Principe (102 mi / 164 km)

GEOBA.SE

S�o Tom�, Sao Tome and Principe