May weather forecast
Chiniak, AK

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Weather in May

The last month of the spring, May, is a chilly month in Chiniak, Alaska, with an average temperature fluctuating between 45.3°F (7.4°C) and 41.5°F (5.3°C).

Temperature

As Chiniak enters May, the average high-temperature marginally increases from the an icy 39.7°F (4.3°C) of April to a chilly 45.3°F (7.4°C). May's average low temperature is a wintry 41.5°F (5.3°C), displaying a subtle drop from its daily peak.

Humidity

In Chiniak, the average relative humidity in May is 83%.

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 2.72" (69mm) of precipitation is accumulated. In Chiniak, during the entire year, the rain falls for 171.2 days and collects up to 37.32" (948mm) of precipitation.

Snowfall

Months with snowfall in Chiniak, Alaska, are January through May, September through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Chiniak aggregates 0.08" (2mm) of snow. Throughout the year, in Chiniak, there are 35.1 snowfall days, and 13.74" (349mm) of snow is accumulated.

Daylight

The average length of the day in May in Chiniak is 16h and 41min.
On the first day of May in Chiniak, sunrise is at 6:15 am and sunset at 9:56 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 10:55 pm AKDT.

Sunshine

In May, the average sunshine in Chiniak is 6.9h.

UV index

In Chiniak, the average daily maximum UV index in May is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What is the average May temperature in Chiniak?

In Chiniak, in May, the average high-temperature is 45.3°F (7.4°C), and the average low-temperature is 41.5°F (5.3°C).

What is the average humidity in May in Chiniak?

The average relative humidity in May in Chiniak, Alaska, is 83%.

How many days does it rain in May in Chiniak?

In Chiniak, in May, it is raining for 15.3 days, with typically 2.72" (69mm) of accumulated precipitation.

What is the last month it snows in Chiniak?

May is the last month it regularly snows in Chiniak, Alaska. During 0.6 snowfall days, in May, Chiniak aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Chiniak?

The average day length in May is 16h and 41min.

What time are sunrise and sunset in May in Chiniak?

On the first day of May in Chiniak, sunrise is at 6:15 am and sunset at 9:56 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 10:55 pm AKDT.

How long on average sun shines in May in Chiniak?

In May, the average sunshine duration is 6.9h.

What is the UV index intensity in May in Chiniak?

The average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Chiniak, AK

Average temperature in May - Chiniak, AK
  • Average high temperature in May: 45.3°F

The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in May: 41.5°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).

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Average pressure in May
Chiniak, AK

Average pressure in May - Chiniak, AK
  • Average pressure in May: 29.89"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is December (29.55"Hg).

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Average wind speed in May
Chiniak, AK

Average wind speed in May - Chiniak, AK
  • Average wind speed in May: 10.4mph

The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in May
Chiniak, AK

Average humidity in May - Chiniak, AK
  • Average humidity in May: 83%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are March and November (80%).

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Average rainfall in May
Chiniak, AK

Average rainfall in May - Chiniak, AK
  • Average rainfall in May: 2.72"

The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").

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Average rainfall days in May
Chiniak, AK

Average rainfall days in May - Chiniak, AK
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).

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Average snowfall in May
Chiniak, AK

Average snowfall in May - Chiniak, AK
  • Average snowfall in May: 0.08"

The month with the highest snowfall is March (3.15").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Chiniak, AK

Average snowfall days in May - Chiniak, AK
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Chiniak, AK
  • Average daylight in May: 16h and 4min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • Average sunshine in May: 6h and 5min

The month with the most sunshine is July (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).

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Average sunshine days in May
Chiniak, AK

Average sunshine days in May - Chiniak, AK
  • Average sunshine days in May: 13.5 days

The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).

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Average UV index in May
Chiniak, AK

Average UV index in May - Chiniak, AK
  • Average UV index in May: 2

The months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Chiniak, AK

Average cloud cover in May - Chiniak, AK
  • Average cloud cover in May: 62

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).

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Average visibility in May
Chiniak, AK

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

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

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Chiniak, Alaska, USA

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