August is the hottest month in Cepi with an average temperature of 20°C (67°F) and the coldest is January at 1°C (32°F) with the most daily sunshine hours at 11 in July. The wettest month is July with an average of 83.8mm of rain..
                    
                    
                    
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Sunrise 06:52
Sunset 16:28
Sunrise 06:52
Sunset 16:28