| Monthly Sunshine Hours by Region(2015) | ||||||
| (hour) | ||||||
| City | Jan. | Feb. | Mar. | Apr. | May | June |
| Jinan | 155.4 | 163.8 | 240.4 | 220.8 | 261.8 | 220.8 |
| Qingdao | 160.4 | 159.3 | 234.3 | 227.2 | 237.7 | 220.8 |
| Zibo | 151.5 | 158.5 | 231.2 | 207.4 | 235.4 | 209.1 |
| Zaozhuang | 133.2 | 138.0 | 181.9 | 191.6 | 187.8 | 155.9 |
| Dongying | 159.5 | 168.2 | 245.1 | 222.9 | 255.8 | 232.4 |
| Yantai | 172.6 | 178.6 | 250.5 | 242.5 | 273.0 | 264.6 |
| Weifang | 162.0 | 176.0 | 254.3 | 237.3 | 255.8 | 244.8 |
| Jining | 144.1 | 152.8 | 208.9 | 209.0 | 228.4 | 184.7 |
| Tai'an | 149.7 | 155.7 | 224.8 | 210.8 | 241.6 | 194.3 |
| Weihai | 174.7 | 175.3 | 226.3 | 231.6 | 258.0 | 218.3 |
| Rizhao | 152.0 | 157.0 | 229.4 | 212.1 | 226.9 | 192.5 |
| Laiwu | 168.1 | 174.4 | 234.9 | 203.3 | 234.4 | 167.4 |
| Linyi | 143.6 | 159.0 | 216.5 | 199.0 | 218.5 | 189.9 |
| Dezhou | 158.2 | 160.9 | 243.3 | 219.1 | 264.1 | 234.1 |
| Liaocheng | 144.4 | 142.8 | 207.8 | 202.3 | 229.9 | 199.4 |
| Binzhou | 165.5 | 166.3 | 242.1 | 218.6 | 258.1 | 224.0 |
| Heze | 134.9 | 146.9 | 186.6 | 207.6 | 225.8 | 174.1 |