VALLE DE SANTIAGO, GUANAJUATO

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19		14.3		15.8		18.6		21.4		23.1		22.6		21		20.9		20.3		18.8		16.8		14.8

Average High Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.9		24.3		26		28.9		31.3		32.4		30.6		28.2		28.1		27.4		26.9		26.3		24.6

Average Low Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.1		4.3		5.5		8.4		11.5		13.8		14.6		13.8		13.6		13.2		10.6		7.3		5

Highest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.5		33		35		37		39.5		41.5		40		36		35.5		35.5		33		33.5		34

Lowest Recorded Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7		-6		-5		-2		-0.5		5		6		8		7.5		4		-1.5		-6		-7

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		671		14		8		5		10		36		112		148		151		119		52		12		6

Average Number of Days With Hail

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		0.1		0.2		0.2		0.4		0.5		0.9		0.9		0.8		0.5		0.2		0.2		0.1

Most Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		371		112		53		33		71		115		241		353		371		294		173		59		43

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		107		34.2		53.5		15		28.5		50.8		59.6		107		82.5		82		80		55		25

Average Number of Rainy Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.3		1.8		1.4		1.2		2.1		4.7		10.8		14.8		13.8		10.6		5		1.7		1.4

Average Number of Days With Thunderstorms

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.6		0.2		0.4		0.3		0.4		1.1		2		2		2.2		1.8		0.8		0.3		0.1

Heating Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		442.3		125.7		73		---		---		---		---		---		---		---		---		46.7		109.4

Cooling Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		610		---		---		9.5		91.7		147.3		128.3		82.7		78.4		59.2		12.9		---		---

Growing Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3418.1		132.6		162.4		267.8		341.7		405.6		378.3		341		336.7		309.2		271.3		203.3		149

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.5		11.9		12.4		13		13.5		13.8		13.6		13.2		12.6		12		11.6		11.3

Average Number of Days With Fog

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.2		0.2		0.2		0.3		0.3		0.6		1		1		1.2		0.8		0.3		0.2		0.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.1		17.4		21.1		24.5		25.3		24.5		22.9		22.1		21.8		19.8		19		18.3		16.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3.9		4.1		4.8		6.2		7.5		8		8.1		7.7		7.1		5.6		3.9		3.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.3		21.5		24.4		25.9		24.6		22.5		22.9		21.9		20.6		20		20.9		22.2		19.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.1		25.1		28.5		30.2		27.7		24.4		21.4		20		20.3		18.9		21.8		25.9		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		21.1		17.4		21.1		24.5		25.3		24.5		22.9		22.1		21.8		19.8		19		18.3		16.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		5.3		4.9		6.4		7.1		8.3		8.7		8.8		8.2		7.6		6.2		4.7		4.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.6		24.1		27.2		28.6		26.6		24.1		25.3		24.6		22.5		22.2		24.1		23.5		21.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.5		29.8		34.1		35.8		32.2		27.8		25.8		24.8		24.1		22.9		27.4		28.4		28.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		12.8		19.3		20.7		23.1		21.7		20.1		18.8		19.4		17.1		16.8		16.4		15.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		3		2.9		3.5		5.2		6.8		7.3		7.4		7.1		6.5		4.6		3.5		3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		14.9		21.9		21.7		22.4		20.1		19.9		18.6		18.3		17.2		18.2		19.6		18.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		14		24		21.9		23.2		19.2		16.4		14.4		15.9		14.2		17.1		21.1		21.7