Insolation North
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click on your city to view the insolation level.
Cape Reinga
Kaitaia
Paihia
Whangarei
Dargaville
Auckland
Thames
Tauranga Te Araroa
Hamilton
Rotorua
Waitomo
Taupo
Gisborne
New Plymouth
Waiouru
Napier
Wanganui
Palmerston North
Masterton
Wellington

Wellington

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -41.317
Lon 174.767

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.52

5.59

4.30

3.31

2.16

1.68

1.86

2.57

3.82

4.82

5.86

6.17

4.05

Wanganui

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -39.933
Lon 175.05

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.92

5.14

3.86

2.97

1.88

1.52

1.69

2.39

3.37

4.09

5.24

5.70

3.64

Auckland

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -36.52
Lon 174.46

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.23

5.72

4.48

3.32

2.31

1.88

2.06

2.76

3.97

4.94

5.80

6.26

4.14

Cape Reinga

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -34.26
Lon 172.41

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.88

6.61

5.25

3.89

2.97

2.40

2.58

3.35

4.58

5.83

6.52

7.25

4.84

Dargaville

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -35.57
Lon 173.52

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.16

5.79

4.51

3.36

2.40

1.97

2.18

2.86

3.96

5.03

5.67

6.32

4.18

Gisborne

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -38.39
Lon 178.05

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.92

5.19

4.04

3.13

2.27

1.87

1.94

2.60

3.58

4.47

5.41

5.96

3.86

Hamilton

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -37.47
Lon 175.19

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.78

5.26

4.13

3.15

2.18

1.74

1.98

2.56

3.62

4.42

5.33

5.76

3.82

Te Araroa

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -37.6
Lon 178.3

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.44

5.78

4.62

3.59

2.52

2.02

2.24

2.89

4.08

5.14

6.01

6.53

4.32

Kaitaia

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -35.08
Lon 173.17

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.16

5.79

4.51

3.36

2.40

1.97

2.18

2.86

3.96

5.03

5.67

6.32

4.18

Masterton

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -40.56
Lon 175.39

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.89

5.09

3.89

2.90

1.87

1.44

1.66

2.34

3.41

4.17

5.31

5.62

3.63

Napier

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -39.3
Lon 176.56

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.69

4.93

3.82

2.93

1.94

1.57

1.70

2.39

3.37

4.13

5.13

5.47

3.59

New Plymouth

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -39.04
Lon 174.05

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.69

5.03

3.80

2.89

1.87

1.50

1.72

2.33

3.28

3.97

5.17

5.59

3.57

Paihia

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -35.22
Lon 174

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.91

5.55

4.33

3.35

2.54

2.10

2.24

2.80

3.73

4.69

5.44

5.96

4.05

Palmerston North

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -40.35
Lon 175.61

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.89

5.09

3.89

2.90

1.87

1.44

1.66

2.34

3.41

4.17

5.31

5.62

3.63

Rotorua

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -41.55
Lon 176.16

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.74

5.77

4.37

3.21

2.06

1.66

1.79

2.54

3.94

5.01

6.11

6.51

4.14

Taupo

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -38.41
Lon 176.7

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.57

5.01

3.88

3.01

2.06

1.60

1.82

2.38

3.32

4.01

5.09

5.42

3.59

Tauranga

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -37.73
Lon 176.15

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

6.39

5.94

4.86

3.74

2.65

2.00

2.27

2.96

4.15

5.08

5.98

6.54

4.38

Thames

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -37.4
Lon 175.34

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.78

5.26

4.13

3.15

2.18

1.74

1.98

2.56

3.62

4.42

5.33

5.76

3.82

Waitomo

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -38.21
Lon 175.11

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.62

5.01

3.88

2.96

1.96

1.56

1.76

2.37

3.32

3.92

5.09

5.41

3.57

Whangarei

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -35.43
Lon 174.21

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.91

5.55

4.33

3.35

2.54

2.10

2.24

2.80

3.73

4.69

5.44

5.96

4.05

Waiouru

Monthly Averaged Insolation Incident On A Horizontal Surface (kWh/m2/day)

Lat -39.28
Lon 175.4

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual
Average

10-year avg

5.92

5.14

3.86

2.97

1.88

1.52

1.69

2.39

3.37

4.09

5.24

5.70

3.64

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