World Resorts USA Kenai Weather

Kenai weather in May

Weather in Kenai: May

Average day temperature: 47.1°F
Average night temperature: 41.4°F
Sea water temperature: 41.1°F
Number of sunny days: 5 days
Day length: 16.1 - 18.5 hours
Number of rainy days: 0 days
Precipitation totals: 0.6 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 49°F. At the same time the lowest night temperature was 35°F. Daily and nightly averages during May were 42.9°F and 39.0°F.

Sea water temperature in Kenai in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 38.4°F. The highest and lowest sea temperatures during the month were 41.7°F and 35.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Kenai in May is 0.6 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.5.

Best time for vacation in Kenai

Sunniest months:
January 7 days
June 7 days
March 7 days
Warmest months:
July 58.0 °F
August 57.6 °F
June 54.7 °F
Warmest sea temp:
August 56.1 °F
July 54.2 °F
September 53.4 °F
Coldest months:
January 19.2 °F
December 20.6 °F
February 22.2 °F
Rainiest months:
August 3 days
September 3 days
July 2 days
Windiest months:
December 9.1 mph
January 8.8 mph
November 8.7 mph

Kenai on a weather map

Kenai
+46°F
NW 2 mph
Feels like: +45°F
Precip.: 0%
Places in USA:
Name
°F
+64°F
+75°F
+75°F
+97°F
+86°F
+90°F
+88°F
+72°F
+75°F
+75°F
+73°F
+91°F
+91°F
+88°F
+64°F
24 Hours Forecast
Kenai
Local time: 09:42
May 31, sunday
1200
48°F
SE
7 mph
1500
48°F
S
7 mph
1800
48°F
SE
6 mph
2100
48°F
SE
5 mph
June 01, monday
0000
43°F
S
1 mph
0300
43°F
W
6 mph
0600
41°F
SW
7 mph
0900
46°F
SW
9 mph
Units of measurement: °C / °F