Sapporo
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General Data Sapporo
Geographic longitude (east)        
Geographic latitude (north)        
Total area (km²)     Inhabitants (1.1.1950)  
Settlement area (%)     Inhabitants (1.1.1970)  
Traffic area (%)     Inhabitants (1.1.1997)  
Agricultural area (%)     Density of Inhabitants ( I / km²)  
Forested area (%)        
Water bodies (%)     Motor vehicles (1.1.1950)  
Road network (km)     Motor vehicles (1.1.1970)  
Mean altitude (above sea-level)     Motor vehicles (1.1.1997)  
Lowest point (above sea-level)        
Highest point (above sea-level)     Motor vehicles / 1000 inhabitants (1997)  

 

Air Pollution Sapporo

No data available

 

Mean climatic data Sapporo

Parameter

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

YEAR

Period

Mean air temperature (°C)

-5.5

-4.7

-1.0

5.7

11.3

15.5

20.0

21.7

16.8

10.4

3.6

-2.6

7.6

30

Mean maximum air temperature (°C)

-1.7

-0.6

2.2

10.6

16.1

20.6

23.9

26.1

21.7

15.6

7.8

0.6

11.7

30

Mean minimum air temperature (°C)

-11.7

-10.6

-6.7

0.0

4.4

10.0

14.4

16.1

10.6

3.9

-1.7

-7.7

1.7

30

Absolute maximum air temperature (°C)

11.2

10.8

16.8

25.2

31.1

31.9

35.8

34.5

32.1

25.1

31.3

14.6

35.8

30

Absolute minimum air temperature (°C)

-29.9

-22.5

-17.9

-9.7

-2.2

2.5

7.2

8.5

1.7

-4.2

-12.0

-20.2

-23.9

30

Mean relative Humidity (%)

78

77

75

70

72

77

81

80

80

77

75

75

76

30

Mean precipitation (mm)

111

83

67

66

59

67

100

107

145

113

112

104

1134

30

Maximum precipitation (mm)

224

177

175

169

171

186

245

357

481

300

222

197

 

30

Minimum precipitation (mm)

26

20

19

9

11

12

10

7

31

11

15

35

 

30

Maximum precipitation in 24 h (mm)

115

62

47

104

85

120

124

147

140

104

89

67

147

30

Days with precipitation

17

14

12

10

8

9

9

10

11

12

13

15

139

30

Mean sunshine (h)

99

112

158

199

213

205

190

201

173

166

112

91

1919

 

Radiation (Ly/d)

                           

Potential evaporation (mm)

0

0

0

30

68

96

128

130

84

48

12

0

596

30

Mean wind speed (m/s)

2.8

3.0

3.6

4.2

4.4

3.8

3.4

3.1

3.0

2.9

2.9

2.9

3.4

30

Wind direction

WNW

WNW

NW

WNW

SSE

SE

SSE

SSE

NNW

NW

NW

WNW

 

30

Source of climatic data: M. Müller, 1983: Handbuch ausgewählter Klimastationen der Erde. Universität Trier. Forschungsstelle Bodenerosion.