Other facts from our historical weather data: Does Olenyok have a dry season? Yes, the months of January, February, March, November and December are very dry. Which is the warmest month in Olenyok ? July has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in Olenyok ? The coldest month is January with an average maximum temperature of -31°C (-24°F). Which is the wettest month in Olenyok ? June tops the wettest month list with 62mm (2.4 in) of rainfall. Which is the driest month in Olenyok ? February is the driest month with 10mm (0.4 in) of precipitation. Which is the sunniest month in Olenyok ? July is the sunniest month with an average of 334 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.