BONNER, MONTANA

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Elevation: 1111 meters Latitude: 46 53N Longitude: 113 36W

WEATHER

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Daily Averages

Hourly Data

CURRENT CONDITIONS

Sunrise/Set

05:59 am

09:02 pm
Local Time
6:22 am MDT
14 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.9		-6.6		-3.9		0.7		4.9		9.4		13.4		16.8		16.2		11.1		5.1		-1.6		-6.8

Average High Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.5		-0.6		3.2		8		13.6		18.7		22.8		28.3		28.2		22		14.3		4.6		-1.1

Average Low Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3.7		-12.6		-11.1		-6.8		-3.7		0.2		4		5.3		4.2		0.2		-4.2		-7.7		-12.7

Highest Recorded Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.4		15.6		17.8		24.4		30		36.1		36.1		39.4		38.9		36.1		31.1		22.2		16.7

Lowest Recorded Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-45.6		-42.2		-41.1		-34.4		-20		-10.6		-5		-4.4		-5.6		-12.2		-26.1		-29.4		-45.6

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		---		---		---		---		---		---		0.3		---		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.3		---		---		---		---		0.2		1.1		6.7		6.9		1.3		---		---		---

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		61.8		---		---		---		0.2		3.2		7.7		20.2		21.5		8.2		0.8		---		---

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		110.9		---		---		0.2		3.2		10.4		19.1		28.2		28.1		17.6		4		---		---

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		159.2		---		0.1		2.4		10.1		20.7		27.4		30.7		30.5		24.8		11.9		0.6		---

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		212.6		0.4		1.3		11.2		21.8		29		29.7		31		30.9		29.1		22.8		4.9		0.2

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		271.5		5.4		11.4		24.6		29.1		31		30		31		31		30		29.8		15.1		3.2

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		361.4		31		28		31		30		31		29.2		29.2		30.1		29.9		31		30		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		322.3		31		28		31		29.9		28.1		19.6		15.6		20		27.7		30.5		30		31

Average Number of Days Below 32F/0C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		238.8		30.1		27.2		29.7		25.2		16.3		4.7		1.5		3.6		16.4		26.3		27.9		30

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.8		24.9		21.1		16.6		9		2.4		---		---		---		1.4		10.8		17.8		25.8

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.1		15.8		12.7		4.1		0.3		---		---		---		---		---		1.3		6.9		17

Average Number of Days Below 0F/-17C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.6		7.6		5		1.1		---		---		---		---		---		---		0.1		2.1		6.6

PRECIPITATION

Average Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		372		37		25		20		25		42		49		23		24		28		27		35		38

Average Number of Days With Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93		10		7		7		7		9		10		6		5		6		7		9		10

Most Reported Precipitation in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		150		102		69		64		67		150		112		84		71		111		111		91		146

Least Reported Precipitation in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		3		3		3		---		7		---		---		---		---		1		7		4

Most Precipitation Reported in a Day

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		44.7		28.2		22.9		23.1		30.2		35.6		44.7		31.2		40.6		31.2		44.7		33.5		25.1

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		46.2		3.9		3.8		3.1		3.4		5.5		5.4		2.7		2.8		3.2		2.9		5.2		4.3

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46		5		3		3		3		5		5		3		3		3		3		5		5

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		---		---		---		---		1		1		---		---		---		---		---		---

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		5.2		0.2		0.4		0.1		0.3		0.7		0.9		0.4		0.4		0.5		0.4		0.5		0.4

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		139.7		40.1		20.6		15		3.8		0.5		---		---		---		0.2		1.5		19.1		38.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.9		6.2		4.2		2.7		0.5		0.1		---		---		---		---		0.4		3.7		7.1

Average Snow Cover

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		5		22		20		7		---		---		---		---		---		---		---		2		12

Most Snow Reported in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		170.2		129.5		55.9		63.5		29.2		7.6		---		---		2.5		6.3		17.3		78.7		170.2

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.1		5.1		3.5		2		0.3		0.1		---		---		---		---		0.3		2.9		5.9

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.4		1.6		1		0.7		0.1		---		---		---		---		---		---		1		2

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		0.6		0.3		0.2		---		---		---		---		---		---		---		0.3		0.6

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

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

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		100.9		29.3		23.4		12.4		0.3		---		---		---		---		---		0.4		9.6		25.5

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79.9		26.2		20		9.6		0.1		---		---		---		---		---		---		4.3		19.7

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.5		19.7		15.8		6.5		---		---		---		---		---		---		---		2.1		11.4

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.1		7.2		5.2		2.3		---		---		---		---		---		---		---		0.7		4.7

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9198		1410		1166		1003		750		529		292		136		161		416		769		1106		1460

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		57		---		---		---		---		1		6		32		18		1		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1060		---		---		---		6		64		185		363		327		107		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		12.8		9.6		10.9		12.5		14.2		15.7		16.5		16		14.7		13		11.3		9.9		9.2

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		13.7		5.3		8.5		12.9		16.9		19.5		21.6		24.2		20.7		15.2		9.5		5.8		4.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.1		4.4		6.3		7.6		8.9		9.4		9.4		8.1		6.7		4.7		3.3		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		9.2		13		16.2		17.6		17.9		18.8		21.5		20.6		17.6		13		9.6		8.1

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		8.1		11.6		14.3		16.8		17.6		19.9		24.3		21.8		17		12.3		8.3		7.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		5.3		8.5		12.9		16.9		19.5		21.6		24.2		20.7		15.2		9.5		5.8		4.5

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		3.3		4.7		6.7		7.7		9.1		9.6		11		9.3		7.7		5.3		3.6		2.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.7		10.5		14.5		18.5		20		20.4		21.5		25		23.8		22.3		15.9		11.1		9.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		9.5		13.5		17.5		20.7		22.4		25.1		28.1		25.4		22.5		15.6		9.6		8.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		4.8		7.4		11.4		15.6		16.7		18.7		17.9		17.8		11.8		7.8		4.6		3.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.8		4		6		7.5		8.8		9.3		9		7.9		6.1		4.1		2.8		2.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		8.1		11		13.9		16		15.3		16.2		15.9		17.5		13.2		10.4		7.3		6.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		7.1		9.6		11.9		14.3		12.8		14.8		14.2		16.9		11.4		9.5		6.1		6

NEARBY - MAP

NEARBY - LIST

East Missoula, Montana (17 mi / 27 km)
Greenough, Montana (18 mi / 30 km)
Grass Valley, Montana (20 mi / 32 km)
Missoula, Montana (22 mi / 36 km)
Piltzville, Montana (22 mi / 36 km)

GEOBA.SE

Bonner, Montana