May weather forecast
Kenai, AK

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High rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska
High rock cliffs of the scenic Spire Cove in Fjords National Park in Kenai, Alaska

Weather in May

May is a month marked by the onset of warmer weather and a significant drop in relative humidity to 69%. Last vestiges of winter disappear as snowfall reaches zero inches, thus signaling a complete withdrawal of winter's icy hold. The extended daylight and increasing sunshine hours add to the cheer, painting a pleasant environment with resplendent colors. Regardless, despite the opening up of skies and extended viewing visibility, the weather retains a capricious gusty element. Overall, it's a great time for outdoor excursions and river fishing.

Temperature

May's onset witnesses a shift in the average high-temperature, moving from an icy 40.5°F (4.7°C) in April to a fresh 51.4°F (10.8°C). During the month of May, an average temperature of 41.7°F (5.4°C) is noted during the nights.

Humidity

With an average relative humidity of 69%, May is the least humid month.

Rainfall

In Kenai, Alaska, in May, it is raining for 13.2 days, with typically 1.06" (27mm) of accumulated precipitation. In Kenai, during the entire year, the rain falls for 136.3 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

May through August are months without snowfall in Kenai.

Ocean temperature

In May, the average ocean temperature in Kenai is 41.4°F (5.2°C).
Note: Swimming in 41.4°F (5.2°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.

Daylight

The average length of the day in May in Kenai is 17h and 22min.
On the first day of the month, sunrise is at 5:56 am and sunset at 10:07 pm. On the last day of May, sunrise is at 4:48 am and sunset at 11:17 pm AKDT.

Sunshine

In Kenai, the average sunshine in May is 9.7h.

UV index

The average daily maximum UV index in May in Kenai is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 3 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What are the temperatures in Kenai in May?

The average high-temperature and low-temperature during May are 51.4°F (10.8°C) and 41.7°F (5.4°C) respectively.

What is the least humid month in Kenai?

With an average relative humidity of 69%, May is the least humid month.

What is the average humidity in May in Kenai?

The average relative humidity in May is 69%.

How many days does it rain in May in Kenai?

In Kenai, Alaska, in May, during 13.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Kenai?

May through August are months without snowfall in Kenai, Alaska.

Does it snow in Kenai in May?

In May, in Kenai, Alaska, it doesn't snow. April is the latest month when it typically snows.

How cold is the water in May in Kenai?

In May, the average ocean temperature in Kenai, Alaska, is 41.4°F (5.2°C). Swimming in 41.4°F (5.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Kenai have in May?

The average day length in May in Kenai is 17h and 22min.

What time are sunrise and sunset in May in Kenai?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 10:07 pm. On the last day of the month, sunrise is at 4:48 am and sunset at 11:17 pm AKDT.

How many hours of sunshine does Kenai have in May?

The average sunshine duration in May in Kenai, Alaska, is 9.7h.

What is the UV index intensity in May in Kenai?

In May, the average daily maximum UV index in Kenai is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Kenai, AK

Average temperature in May - Kenai, AK
  • Average high temperature in May: 51.4°F

The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in May: 41.7°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in May
Kenai, AK

Average pressure in May - Kenai, AK
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

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Average wind speed in May
Kenai, AK

Average wind speed in May - Kenai, AK
  • Average wind speed in May: 6.7mph

The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in May
Kenai, AK

Average humidity in May - Kenai, AK
  • Average humidity in May: 69%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in May
Kenai, AK

Average rainfall in May - Kenai, AK
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").

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Average rainfall days in May
Kenai, AK

Average rainfall days in May - Kenai, AK
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in May
Kenai, AK

Average snowfall in May - Kenai, AK
  • Average snowfall in May: 0"

The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in May
Kenai, AK

Average snowfall days in May - Kenai, AK
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average sea temperature in May
Kenai, AK

Average sea temperature in May - Kenai, AK
  • Average sea temperature in May: 41.4°F

The best month for swimming (with the highest average sea temperature) is August (53.4°F).
The coldest month (with the lowest average sea temperature) is February (34.2°F).

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Average daylight in May /
Average sunshine in May
Kenai, AK

Average daylight in May / Average sunshine in May - Kenai, AK
  • Average daylight in May: 17h and 2min

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

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Average sunshine days in May
Kenai, AK

Average sunshine days in May - Kenai, AK
  • Average sunshine days in May: 16 days

The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).

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Average UV index in May
Kenai, AK

Average UV index in May - Kenai, AK
  • Average UV index in May: 3

The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Kenai, AK

Average cloud cover in May - Kenai, AK
  • Average cloud cover in May: 49

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).

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Average visibility in May
Kenai, AK

Average visibility in May - Kenai, AK
  • Average visibility in May: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

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Kenai, Alaska, USA

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