May weather forecast
Eyak, AK

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Weather in May

The last month of the spring, May, is a chilly month in Eyak, Alaska, with an average temperature fluctuating between 48.6°F (9.2°C) and 40.5°F (4.7°C).

Temperature

In Eyak, stepping into May brings a gentle temperature nudge, moving slightly up from April's cold 40.6°F (4.8°C) to a frosty 48.6°F (9.2°C). Eyak observes a minimal variance in temperature, with a consistent average low of 40.5°F (4.7°C) during the nights of May.

Humidity

In May, the average relative humidity in Eyak is 79%.

Rainfall

In Eyak, in May, it is raining for 17.5 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, in Eyak, there are 191.3 rainfall days, and 72.4" (1839mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Eyak are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Eyak aggregates 0.31" (8mm) of snow. Throughout the year, in Eyak, there are 66.1 snowfall days, and 74.57" (1894mm) of snow is accumulated.

Daylight

In Eyak, the average length of the day in May is 17h and 22min.
On the first day of the month, sunrise is at 5:34 am and sunset at 9:44 pm. On the last day of May, in Eyak, sunrise is at 4:25 am and sunset at 10:54 pm AKDT.

Sunshine

The months with the most sunshine in Eyak are May through July, with an average of 7.6h of sunshine.

UV index

In Eyak, Alaska, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in May converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the temperatures in Eyak in May?

In Eyak, 48.6°F (9.2°C) is the average high-temperature and 40.5°F (4.7°C) is the average low-temperature during May.

What is the average humidity in May in Eyak?

In Eyak, Alaska, the average relative humidity in May is 79%.

How much does it rain in Eyak in May?

In Eyak, Alaska, in May, it is raining for 17.5 days, with typically 4.25" (108mm) of accumulated precipitation.

What is the last month it snows in Eyak?

May is the last month it regularly snows in Eyak. During 0.8 snowfall days, in May, Eyak aggregates 0.31" (8mm) of snow.

How many hours of daylight does Eyak have in May?

In May, the average day length in Eyak is 17h and 22min.

What time are sunrise and sunset in May in Eyak?

In May, on the first day of the month, sunrise is at 5:34 am and sunset at 9:44 pm. On the last day of the month, sunrise is at 4:25 am and sunset at 10:54 pm AKDT.

What is the month with the most sunshine in Eyak?

May through July, with an average of 7.6h of sunshine, are months with the most sunshine in Eyak.

How long on average sun shines in May in Eyak?

The average sunshine duration in May is 7.6h.

How high is the UV index in May in Eyak?

The average daily maximum UV index in May in Eyak, Alaska, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Eyak, AK

Average temperature in May - Eyak, AK
  • Average high temperature in May: 48.6°F

The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in May: 40.5°F

The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in May
Eyak, AK

Average pressure in May - Eyak, AK
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).

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Average wind speed in May
Eyak, AK

Average wind speed in May - Eyak, AK
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).

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Average humidity in May
Eyak, AK

Average humidity in May - Eyak, AK
  • Average humidity in May: 79%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in May
Eyak, AK

Average rainfall in May - Eyak, AK
  • Average rainfall in May: 4.25"

The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").

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Average rainfall days in May
Eyak, AK

Average rainfall days in May - Eyak, AK
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).

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Average snowfall in May
Eyak, AK

Average snowfall in May - Eyak, AK
  • Average snowfall in May: 0.31"

The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Eyak, AK

Average snowfall days in May - Eyak, AK
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Eyak, 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: 7h and 4min

The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

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Average sunshine days in May
Eyak, AK

Average sunshine days in May - Eyak, AK
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).

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Average UV index in May
Eyak, AK

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

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

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Average cloud cover in May
Eyak, AK

Average cloud cover in May - Eyak, AK
  • Average cloud cover in May: 57

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).

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Average visibility in May
Eyak, AK

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

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

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Eyak, Alaska, USA

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