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Solar Basics

Insolation Levels (Europe)

Average Insolation (10 year average) kWh/m2/day

 

Country State/City Latitude Longitude Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Avg
AT Vienna 48' 13" N 16' 22" E 1.10 1.81 2.80 3.76 4.76 5.12 5.72 4.98 3.68 2.15 1.28 0.93 3.52
BE Bruxelles 50' 45" N 4' 30" E 0.74 1.31 2.29 3.68 4.67 4.48 4.82 4.20 2.86 1.73 0.92 0.56 3.02
BG Sofija 42' 40" N 23' 18" E 1.5 2.04 2.97 4.05 5 5.8 6.29 5.68 4.46 2.75 1.62 1.27 3.99
CY Limassol 34' 40" N 33' 03" E 2.52 3.26 4.54 6.00 6.85 7.81 7.80 7.18 6.11 4.43 3.02 2.31 5.61
CR Zagreb 45' 29" N 15' 35" E 1.30 2.00 2.94 3.91 5.03 5.37 5.93 5.19 3.94 2.39 1.39 1.09 3.72
DE Hamburg 53' 33" N 9' 59" E 0.54 1.11 2.09 3.68 4.86 4.47 4.47 3.89 2.59 1.48 0.69 0.40 2.52
DE Munich 48' 05" N 11' 23" E 1.05 1.80 2.82 3.95 4.84 4.65 5.14 4.46 3.20 2.00 1.02 0.79 2.98
ES Madrid 40' 25" N 3' 41" W 1.93 2.75 4.09 4.83 5.85 6.52 7.11 6.30 4.91 3.07 1.97 1.59 4.62
ES Malaga 36' 42" N 4' 42" W 2.52 3.24 4.51 5.40 6.35 7.09 7.64 6.81 5.39 3.70 2.58 2.14 5.16
ES Barcelona 41' 24" N 2' 9" E 1.89 2.71 3.97 4.99 5.82 6.56 7.01 6.07 4.72 3.11 2.04 1.70 4.60
ES Alicante 38' 40" N 0' 30" W 2.23 3.02 4.26 5.39 6.13 6.89 7.34 6.53 5.11 3.45 2.34 1.94 4.94
FX Lyon 45' 46" N 4' 50" E 1.26 1.97 3.02 4.08 4.97 5.40 6.03 5.23 3.93 2.27 1.43 1.08 3.74
FX Paris 48' 52" N 2' 20" E 0.89 1.62 2.62 3.95 4.90 4.83 5.35 4.61 3.33 2.00 1.12 0.72 3.34
FX Toulouse 43' 37" N 1' 26" E 1.39 2.14 3.19 4.03 4.82 5.16 5.86 5.07 4.09 2.48 1.58 1.25 3.75
GR Athens 38' N 23' 43" E 2.00 2.52 3.67 5.21 6.38 7.52 7.61 6.91 5.57 3.50 2.16 1.63 4.56
HU Budapest 47' 30" N 19' 3" E 1.00 1.71 2.76 3.90 5.03 5.30 5.62 4.84 3.57 2.24 1.17 0.88 3.17
IE Dublin 53' 20" N 6' 15" W 0.56 1.07 1.97 3.32 4.40 4.30 4.30 3.40 2.69 1.43 0.77 0.43 2.39
IT Milan 45' 28" N 9' 12" E 1.27 1.89 2.91 3.65 4.84 5.36 5.97 5.21 3.91 2.40 1.42 1.08 3.33
IT Rome 41' 53" N 12' 30" E 1.78 2.52 3.71 4.87 5.98 6.84 7.08 6.34 4.83 3.08 1.98 1.56 4.21
NL Amsterdam 52' 21" N 4' 54" E 0.61 1.21 2.27 3.76 4.88 4.73 4.78 4.13 2.80 1.60 0.78 0.45 2.67
NO Oslo 59' 56" N 10' 44" E 0.3 0.87 1.68 3.12 4.65 4.84 4.59 3.36 2.22 1.02 0.42 0.19 2.27
RO Bucharest 44' 26" N 26' 06" E 1.36 1.94 2.91 3.94 5.03 5.6 6.15 5.53 4.15 2.59 1.37 1.1 3.47
PT Lisboa 38' 42" N 9' 11" W 2.27 2.99 4.3 5.15 6.13 6.46 6.89 6.33 5.11 3.44 2.27 1.84 4.43
PT Oviedo 43' 21" N 5' 50" W 1.67 2.29 3.44 4.59 5.56 6.32 6.86 5.95 4.51 2.71 1.77 1.46 3.93
UA Odessa 46' 30" N 30' 46" E 1.08 1.78 2.68 3.87 5.4 5.7 6.39 5.63 3.96 2.45 1.06 0.87 3.41
UK Edinburgh 55' 55" N 3" 10" W 0.44 0.94 1.86 3.18 4.33 4.34 4.13 3.41 2.43 1.2 0.59 0.32 2.26
UK London 51' 32" N 0' 5" W 0.67 1.26 2.22 3.48 4.54 4.51 4.74 4.01 2.86 1.65 0.89 0.52 2.61
SZ Bern 46' 57" N 7' 26" E 1.1 1.77 2.74 3.6 4.7 5.07 5.68 4.95 3.66 2.18 1.26 0.92 3.14
SZ Lausanne 46' 32" N 6' 39" E 1.10 1.81 2.80 3.76 4.76 5.12 5.72 4.98 3.68 2.15 1.28 0.93 3.17
YU Beograd 44' 50" N 20' 30" E 1.29 1.89 2.92 3.86 4.88 5.45 6 5.3 4.05 2.5 1.4 1.11 3.39

 

Click on the links below to view insolation levels for your region.
 
 
Africa Asia Pacisic Canada USA Sth America Europe
By visiting the NASA website below,you can find your area's insolation levels 
 
The lattitude and longitude is basic information to find an area's insolation level, but firstly you should have a free registration at the site.
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