SAN ILDEFONSO VILLA ALTA, OAXACA

Average Temperature

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.3		17.2		18.3		20.9		22.9		23.8		22.4		20.9		21.1		21		19.6		18.2		17.4

Average High Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25.8		22.8		24.5		27.5		29.6		30.2		27.5		25.4		25.9		25.6		24.2		23.3		22.7

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.9		11.6		12.1		14.2		16.2		17.5		17.2		16.4		16.3		16.5		15.1		13.1		12.1

Highest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40		34		39		40		39		39		39		34		35		34		31		36		38

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		4		2		7		6		10		10		7		8		9		8		1		4

Average Precipitation

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1484		26		16		17		30		68		248		284		255		282		155		73		30

Average Number of Days With Hail

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		---		---		0.1		0.1		0.2		---		---		---		---		---		---		---

Most Reported Precipitation in a Month

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		731		239		66		97		117		381		731		681		584		498		396		306		83

Most Precipitation Reported in a Day

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		213.5		80		30		43		55		98		213.5		116		156		116		110		89.5		46

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		128.3		5.1		4.1		2.9		4.1		6.8		17		20.8		19.8		20.2		13		8.3		6.2

Average Number of Days With Thunderstorms

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.9		---		---		0.2		0.9		2.4		3.9		3.1		2		1.1		0.2		0.1		---

Heating Degree Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91.5		35.3		0.8		---		---		---		---		---		---		---		---		4.2		28.4

Cooling Degree Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		795.6		---		---		78.4		137.5		171.4		120.8		79.2		85.3		81.7		41.3		---		---

Growing Degree Days

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3954.7		223.1		234.6		336.7		387.5		429.7		370.8		337.6		343.6		331.7		299.7		245.8		229.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.6		12		12.4		12.9		13.3		13.6		13.4		13.1		12.6		12.1		11.7		11.5

Average Number of Days With Fog

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.9		3.3		2		1.2		0.8		2		1.8		2.6		2.8		3		3.3		2.1		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		16.9		13.4		15.7		19		21.2		20.8		18.5		18.1		18		15.9		15		13.9		13

Average 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		5.6		6.4		7.1		7.7		8.3		8.5		8.5		8.4		7.8		6.8		5.8		5.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		15		17		19.5		20.5		20.2		18.6		18.1		17.1		15.8		15.7		15.5		14.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.9		13.7		15.2		17.9		19.3		17.9		14.4		13.8		13.8		11.9		12.9		14		13.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		13.4		15.7		19		21.2		20.8		18.5		18.1		18		15.9		15		13.9		13

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.4		5.8		6.7		7.6		8.3		8.7		8.7		8.6		8.5		7.8		6.9		6		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		20.3		18.6		22.5		23		22.7		23.3		21.3		20.9		19.1		18.7		18.8		18.1		17.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.9		19.5		24.8		24.2		23.5		23.4		18.6		18.2		17.1		16.3		17.5		18.3		17.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		10.1		12.1		16.2		18.6		18.2		16		14.9		15.2		12.6		11.8		12.1		10.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		5.1		5.1		6.2		7.1		7.5		8.2		8.2		8.1		7.6		6.5		5.4		5.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		11		12.7		16.4		18		17.6		15.9		14.7		14.5		12.4		12.2		13.2		11.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		7.8		8.9		12.8		14.8		13.6		10.6		9.1		9.7		7.2		8		10.5		8.9