HERMOSILLO, SONORA

Average Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.3		16		17.8		20		22.9		26.3		31.1		32.2		31.4		30.4		26.2		20.6		16.5

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31.9		23.5		25.6		28.2		31.5		34.9		39.3		39		37.9		37.2		33.7		28.5		23.9

Average Low Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.7		8.5		9.9		11.8		14.4		17.7		22.9		25.4		24.9		23.7		18.8		12.8		9

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46		34		37		39.5		43		46		46		46		45.5		45.5		43		39		35

Lowest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4		-3		---		3		7		6		11		17		14		16.5		6		2		-4

Average Number of Days Above 90F/32C

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		210		1		2		4		16		27		29		30		30		29		25		11		1

Average Number of Days Below 32F/0C

Years on Record: 6

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Average Precipitation

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		305		17		15		5		2		4		6		82		79		49		12		9		25

Average Number of Days With Hail

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		---		---		---		---		0.1		---		---		---		0.1		---		---		0.1

Most Reported Precipitation in a Month

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		230		64		91		46		26		37		60		160		230		160		49		38		114

Most Precipitation Reported in a Day

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		122		55.5		43		20		26		37		60		75.5		122		119.5		46.5		35		64

Average Number of Rainy Days

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.2		2.1		1.8		0.8		0.6		0.5		0.4		7.8		6.7		3		1.5		1.4		2.6

Average Number of Days With Thunderstorms

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.7		---		---		---		---		0.1		0.1		0.8		1.3		0.1		0.2		---		0.1

Average Relative Humidity

Years on Record: 3

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		44		50		44		40		36		32		33		55		51		51		45		42		49

Average Dew Point

Years on Record: 3

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		4		4		4		6		6		11		20		18		17		12		7		5

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		194.2		72.3		16.5		---		---		---		---		---		---		---		---		---		58.6

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2332.9		---		---		51.7		138.3		247.2		382.5		429.7		404.7		364.2		245.4		69.2		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5231.3		186		218.9		310		388.3		505.5		600		620		620		600		503.8		319.2		199.8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		11		11.6		12.4		13.3		14.1		14.4		14.2		13.5		12.7		11.8		11.1		10.8

Average Number of Days With Fog

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		---		0.1		---		---		---		---		---		---		0.1		0.1		0.1		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		20.6		13.7		16.8		22.3		26.3		27.8		27.8		24.1		22.1		20.9		18.2		15		12.7

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		3.2		4		4.3		5		6.1		6.8		7.8		7.3		5.7		4.2		3.1		2.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.2		19		21.5		25.3		26.1		25.2		24.1		21.5		21.1		22.2		22.4		20.3		18.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.1		22.7		24.1		29.8		32.2		31.7		30.5		23.7		22		24.1		25.2		24.7		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		20.6		13.7		16.8		22.3		26.3		27.8		27.8		24.1		22.1		20.9		18.2		15		12.7

Maximum 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		4.1		4.8		5		6.6		7		8.1		8.5		7.7		6.2		5		3.7		3.7

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		22.4		24.5		26.7		28.7		28		26.1		23		22.8		24.4		24.8		22.6		21.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30.8		28.6		29.3		32.4		38.1		39.3		35.9		27.1		25.6		28.3		29.4		28.7		26.8

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		10.8		14.5		20.8		22.9		25.9		24.2		21.5		20.7		19.8		16.1		13.6		10.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.1		2.3		3.1		3.8		3.6		4.3		5.6		7.2		6.7		4.9		3.4		2.5		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		14		17.9		23.4		22.5		23.5		21.3		19.4		19.8		20.9		19.3		17.9		14.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.9		14.4		18.1		26.1		24.7		27.6		23.4		18.9		19.4		21.6		20.1		20.5		15.8