KEY WEST, FLORIDA

Home > North America > United States > Florida
Elevation: 1 meter Latitude: 24 33N Longitude: 081 45W

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

06:51 am

07:56 pm
Local Time
10:54 am EDT
30 April, 2024

PRINT THIS DATA

MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25.4		20.7		21.7		22.9		24.7		26.8		28.5		29.2		29.2		28.4		26.8		24.3		21.9

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.1		23.5		24.4		25.7		27.4		29.4		31		31.8		31.9		31.1		29.2		26.6		24.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.8		17.9		18.9		20.2		22		24.3		26		26.6		26.4		25.8		24.4		22.1		19.4

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		35		30		29.4		31.1		32.2		32.8		34.4		35		35		35		33.9		31.7		30

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5		5		7.2		8.3		8.9		17.8		20		20.6		20		20.6		15.6		9.4		6.7

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.3		20.8		21.7		23.1		25.3		28.6		32.4		33.6		33.9		32.5		28.8		24.8		22.1

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25.4		20.7		21.6		22.8		24.7		26.8		28.6		29.2		29.3		28.6		26.7		24.2		21.9

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32.4		---		---		---		---		0.3		3.1		10.9		13.5		4.3		0.3		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		250.7		5.1		7.5		12.7		21.3		30.2		30		31		31		29.9		28.2		16.2		7.7

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		347.1		24		24.3		29		29.9		31		30		31		31		30		31		29.4		26.5

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		363.9		30.3		27.9		31		30		31		30		31		31		30		31		30		30.7

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		365		31		28		31		30		31		30		31		31		30		31		30		31

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102.6		24		19.7		17.4		9.3		1.9		---		---		---		---		1.6		9.2		19.5

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.9		8		4.7		2.6		0.6		---		---		---		---		---		---		0.5		4.5

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.7		1.1		0.3		---		---		---		---		---		---		---		---		---		0.3

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1010.9		50.8		38.1		53.3		53.3		76.2		104.1		91.4		137.2		170.2		124.5		58.4		55.9

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106.4		6.2		5.3		5.8		4.5		7.2		11		11.7		14.2		16.2		11.3		6.6		6.4

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61.7		3.1		2.7		3.5		2.8		3.9		6.3		6.5		8.9		10.5		7		3.3		3.2

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.1		0.9		1		1.4		1.3		1.8		2.5		2.3		3.2		3.8		2.8		1.1		1

Avg. No. of Days w/Rain Above 1in/25mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10.7		0.4		0.4		0.5		0.6		0.9		1.2		0.9		1.5		1.7		1.3		0.7		0.6

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		3.6		2.7		2.7		2.7		2.9		3.5		4.6		4.6		4.8		4.9		4.2		3.2		2.9

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108		6		6		5		5		8		11		12		14		16		11		7		7

Average Number of Days With Thunderstorms

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		1		1		2		2		4		10		13		15		12		4		1		1

Most Rain Reported in a Month

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1590		440		110		240		260		320		360		290		260		460		540		700		280

Least Recorded Rainfall

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		500		---		---		---		---		---		---		10		50		40		10		---		---

HUMIDITY

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74.8		76.7		76		74.1		71.9		72.9		74.6		73.1		73.1		76.4		76.2		75.1		77.4

Average Morning Relative Humidity

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79		82		81		79		76		76		78		76		78		81		82		83		82

Average Evening Relative Humidity

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		68		69		67		66		63		65		68		66		67		69		69		70		70

Average Dew Point

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.4		16.2		16.9		17.7		19.1		21.3		23.5		23.8		23.9		23.8		22		19.4		17.6

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73		33		15		7		---		---		---		---		---		---		---		1		17

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4750		165		183		262		344		476		549		606		604		546		473		325		217

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10152		597		588		721		794		941		999		1071		1069		996		938		774		665

BAROMETER

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1016.8		1019.4		1018.6		1017.3		1016.4		1015.5		1015.9		1017.3		1016		1014.3		1014.8		1017		1018.8

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		11.2		11.7		12.4		13.1		13.8		14.1		13.9		13.3		12.7		11.9		11.3		11.1

Average Number of Days With Fog

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		3		1		1		---		---		---		---		---		---		---		1		1

Average Number of Clear Days

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103		11		11		13		13		10		5		4		3		3		9		10		11

Average Possibility of Sunshine

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		76		74		77		82		84		81		76		77		76		72		71		71		71

Average Number of Cloudy Days

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		9		7		7		6		8		11		11		11		12		9		9		9

Average Number of Partly Cloudy Days

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		155		11		10		11		11		13		14		16		17		15		13		11		11

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		30.8		36.8		38.1		38		36.4		30.5		24		23.4		22.7		21.6		29.1		35.2		34.3

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		13.4		9.6		10		10.4		11.6		13.7		15.8		17.2		18		17.7		14.5		10.9		11

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		24.3		20.3		21.4		23.3		26.8		29.5		26		26.4		24.6		24.2		26.2		22.4		19.9

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		19.3		17.4		16.5		16.3		15.6		17.4		21.2		22.5		24		24.4		18.7		18		19.2

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		12.3		15.9		14.1		12		9.5		8.9		13.1		10.5		10.6		12.2		11.5		13.4		15.6

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		38.8		38.9		35.1		34.2		35		35.7		43.6		38.3		40.7		46.3		40.8		37.1		39.8

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		31.3		33.6		31		28.5		26.9		28		34.1		28.5		30.3		34.1		33.2		32		35

WIND

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		16.6		18		17.9		18.3		18		16.4		14.8		14.2		13.7		14.6		16.9		18.5		17.7

Highest Reported Hourly Wind Speed

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		114.3		66		91.7		86.9		93.3		74		64.4		98.2		98.2		99.8		114.3		75.6		64.4

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		2.7		2.2		2		2.2		1.8		2.9		3.3		3.7		3.9		3.9		2.5		1.9		2

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		135.8		80.5		103.8		142.7		168.1		170.2		177.1		172.1		170.1		159		108.3		92		84.4

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		119.3		74		83.3		123.8		136.1		145		162.1		146.3		153.3		146.5		120.2		74.3		63.9

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		85.1		47.1		57.6		73.6		91.5		106.1		127		120.6		119.2		106.7		67.7		52.9		49.7

SOLAR RADIATION

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		14.5		17.8		21.5		24.9		25.9		24		22.8		21.6		19.5		18.1		15.5		13.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.8		4.4		5.3		6		7		8		8.2		7.6		6.6		5		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		20.9		18.4		21.5		23.4		24.4		23.6		21.3		20.5		20.5		20.1		21		19.1		17.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23		21.4		23.8		25.7		27.9		27.4		23.1		21		20.3		19.8		22.5		22.4		20.3

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		14.5		17.8		21.5		24.9		25.9		24		22.8		21.6		19.5		18.1		15.5		13.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.6		4.5		5.3		6.6		7.1		8		8.9		8.9		8.1		7.3		5.9		4.6		4.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		21.4		24.8		26		26.9		25.6		24		22.8		22.4		22.9		23.6		22		20.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.1		26.8		29.6		30.7		33.3		32.1		29.7		26		24.2		25		27		27.6		24.9

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		12.3		15.6		17.8		22.2		23.2		20.4		18.9		19.7		16.1		15.4		13.4		11.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		3		3.4		4.4		4.9		6		6.8		7.3		7		5.8		4.2		3.1		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		17.8		14.9		18.3		18.9		21.7		21.3		18.4		17.3		18.8		16.3		17.3		16.1		14.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		15.5		18.4		17.8		22.3		22.1		16.7		14.4		17		13.4		16.2		17.1		14.8

NEARBY - MAP

NEARBY - LIST

Stock Island, Florida (0 mi / 0 km)
Key West - Fort Zachary Taylor, Florida (3 mi / 5 km)
Big Coppitt Key, Florida (4 mi / 7 km)
El Chico, Florida (4 mi / 7 km)
Big Pine Key, Florida (30 mi / 49 km)

GEOBA.SE

Key West, Florida