Kenai (AK) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Kenai.

Climate overview of Kenai

Temperatures in Kenai, Alaska, United States of America, vary greatly throughout the year. July is the hottest month at 17°C (63°F), while January is the coldest at -2°C (28°F).

Kenai sees a moderate amount of rain/snowfall, totalling around 918 mm (36 in) per year. It experiences mild summers and very cold winters, creating some seasonal variation.

Kenai Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kenai - and find the best time to visit.

Monthly Temperature in Kenai

The climate in Kenai is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a moderate 17°C (63°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like January.

At night, you can expect temperatures ranging from 12°C (54°F) in July to around -7°C (19°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Kenai

Generally, Kenai receives mid-range precipitation levels, with 918 mm (36 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives high rainfall, averaging 140 mm (5.5 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month May brings less rainfall, with 46 mm (1.8 in) over 9 rainy days. For more details, please visit our Kenai Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Kenai

Kenai is at its best in June and July, when the weather is the most favourable the year offers. January, February, March, April, October, November and December are typically the least favourable.

Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).

  • Best overall: June and July
  • Warmest weather: July and August
  • Wettest period: August, September, October, November and December, when rainfall peaks.
  • Climate seasons: mild summers and very cold winters
  • Best for winter weather: January, with freezing nights around -7°C (19°F).

Frequently asked questions about the climate in Kenai

What is the best time to visit Kenai?

June and July typically offer the most optimal weather in Kenai. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Kenai has mild summers and very cold winters.

What temperatures can I expect in Kenai?

Daytime highs range from -2°C (28°F) in January to 17°C (63°F) in July. Nighttime lows range from -7°C (19°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Kenai get?

Annual rainfall is around 918 mm (36 in). September is the wettest month with 140 mm (5.5 in), while May is the driest with 46 mm (1.8 in).

Kenai 3-Day Forecast

Kenai (AK) 3-Day Forecast

Kenai on the map

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Where to go in July - average daytime high across popular destinations.

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