SILAO, GUANAJUATO

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.3		14.9		16		18.9		21.2		23		22.8		21.3		21.1		20.7		19.3		17		15.4

Average High Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.7		24.2		25.8		28.8		30.9		32.1		30.2		27.9		27.8		27.4		27.1		26		24.2

Average Low Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.9		5.7		6.3		8.9		11.4		13.9		15.3		14.7		14.3		13.9		11.4		8.1		6.6

Highest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41		31		33		35		38		41		39.5		36		34		33.5		34		32.5		33

Lowest Recorded Temperature

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.7		-2		-1		1.5		4		6.5		6.5		9		9		4		0.9		-2.7		-2.7

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		618		11		6		5		12		29		100		143		142		106		43		12		9

Average Number of Days With Hail

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		---		0.1		---		0.1		0.2		0.2		0.1		0.3		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		483		72		30		66		79		119		231		483		296		214		144		68		54

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		70.5		27.3		16.7		20.1		26.2		40		58.5		70.5		63		66.3		68.2		44.5		27

Average Number of Rainy Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		74.8		2		1.7		1.5		2.7		5.3		11.2		13.7		14.6		11.2		6		2.1		2.8

Average Number of Days With Thunderstorms

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.2		0.4		0.3		0.2		0.4		1.4		3.1		2.2		3.8		2.1		1.6		0.5		0.2

Heating Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		370.4		104.2		65.1		---		---		---		---		---		---		---		---		38.3		90.4

Cooling Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		650.3		---		---		15.5		84.2		144.7		132.5		92.2		83.6		69.2		28.4		---		---

Growing Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3530.4		154.2		170.3		273.8		334.2		403		382.5		350.5		341.9		319.2		286.8		211.7		167.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.4		11.9		12.4		13		13.5		13.8		13.7		13.2		12.6		12		11.5		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		12.5		0.8		0.2		0.4		0.3		0.5		1.3		2.6		2.5		1.9		0.9		0.8		0.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		15.9		19		22.4		23.4		23.4		22.1		21.3		21.2		18.4		17.9		17		15.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		4.2		4.8		5.6		6.9		7.8		8.3		8.4		7.8		7.3		5.8		4.2		3.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.8		19.7		21.9		23.7		22.7		21.6		22		20.9		20.1		18.6		19.7		20.7		18.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		22		24.1		25.9		24		22.4		19.9		18.5		19.3		16.6		19.8		23.3		22.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		15.9		19		22.4		23.4		23.4		22.1		21.3		21.2		18.4		17.9		17		15.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.9		5.3		5.5		6.7		7.7		8.4		8.8		8.9		8.3		7.6		6.4		5		4.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.4		23.1		26		25.7		25.1		23.5		24.2		23.6		22		20.4		22.9		22.9		21.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.3		28		31.8		29.9		28.8		26.8		23.8		23.1		23.2		19.7		25.3		27.2		27.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		12		17.1		19.5		21.2		21.3		19.7		17.6		18.7		15		15.4		15		13.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		3.3		3.4		4.8		6		7		7.7		7.8		7.2		7		4.9		3.6		3.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		14		19.4		20.4		20.5		19.7		19.5		17.2		17.7		15		16.7		17.8		16.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		12.7		19.6		19.7		19.6		18.4		15.7		12.5		14.9		11		14.7		18.3		18