The highest day temperature in August 2025 was 63°F. The lowest night temperature was 47°F. The average values for day and night temperatures during August were 59.1°F и 53.9°F respectivly.

The average sea surface temperature in August 2025 for Kenai was 57.5°F. The maximum and minimum values were 55.6°F and 59.2°F respectively.

Most of the days in August are gloomy but you can also expect sunny days.

Precipitation total in August for Kenai is 1.4 in. It makes august the most rainy month of the year.

The average wind speed in August is 7.3 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Kenai in August is 6.5 hours.