Kenai Seasonal temperature break down - The average median temperature March through May is approximately 39°F with highs averaging at 49°F and lows averaging at 29°F. June through August has an approximate average median temperature of 58°F with highs averaging at 68°F, lows typically average at 46°F. Average median temperatures September through November average out at 42°F, high temperatures average out at 49°F and lows average at 33°F.
The average median temperature December through February is approximately 20°F with highs averaging at 29°F, lows average out at 11°F.
The average Kenai annual median temperature averages out at approximately 40°F. The coldest month in Kenai is February with a median temperature of 18°F, the average high for the month of February is 28°F with an average low of 6°F. The hottest month in Kenai is July with an approximate median temperature of 59°F, the average high for the month of July is 70°F with an average low of 49°F.