May weather forecast
Skagway, AK

The White Pass & Yukon Route Railroad heading to Skagway in Alaska
The White Pass & Yukon Route Railroad heading to Skagway in Alaska

Weather in May

May, the last month of the spring in Skagway, is a frosty month, with an average temperature fluctuating between 44.1°F (6.7°C) and 31.5°F (-0.3°C).

Temperature

In May, the average high-temperature rises from a freezing cold 31.3°F (-0.4°C) in April to a frosty 44.1°F (6.7°C). In Skagway, Alaska, the average low-temperature is 31.5°F (-0.3°C).

Humidity

The average relative humidity in May is 81%.

Rainfall

May is the month with the least rainfall. Rain falls for 16.4 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, Skagway aggregates 0.12" (3mm) of snow. Throughout the year, there are 95.8 snowfall days, and 78.78" (2001mm) of snow is accumulated.

Daylight

In May, the average length of the day is 17h and 5min.
On the first day of May in Skagway, sunrise is at 5:00 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 3:56 am and sunset at 10:01 pm AKDT.

Sunshine

In Skagway, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 2 in May transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Skagway?

The average high-temperature, in May, is 44.1°F (6.7°C), while the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in May in Skagway?

In Skagway, the average relative humidity in May is 81%.

What is the driest month in Skagway?

May is the month with the least rainfall in Skagway, Alaska. Rain falls for 16.4 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in Skagway in May?

In Skagway, in May, it is raining for 16.4 days, with typically 1.54" (39mm) of accumulated precipitation.

What is the last month it snows in Skagway?

May is the last month it regularly snows in Skagway. During 0.8 snowfall days, in May, Skagway aggregates 0.12" (3mm) of snow.

How many hours of daylight does Skagway have in May?

The average day length in May is 17h and 5min.

What time are sunrise and sunset in May in Skagway?

In May, on the first day of the month, sunrise is at 5:00 am and sunset at 8:55 pm. On the last day of the month, in Skagway, Alaska, sunrise is at 3:56 am and sunset at 10:01 pm AKDT.

How long on average sun shines in May in Skagway?

In May, the average sunshine duration is 8.5h.

How high is the UV index in May in Skagway?

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

Average temperature in May
Skagway, AK

Average temperature in May - Skagway, AK
  • Average high temperature in May: 44.1°F

The warmest month (with the highest average high temperature) is July (54.9°F).
The month with the lowest average high temperature is December (17.8°F).

  • Average low temperature in May: 31.5°F

The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is February (7°F).

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Average pressure in May
Skagway, AK

Average pressure in May - Skagway, AK
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.83"Hg).

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Average wind speed in May
Skagway, AK

Average wind speed in May - Skagway, AK
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are April and May (5.5mph).

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Average humidity in May
Skagway, AK

Average humidity in May - Skagway, AK
  • Average humidity in May: 81%

The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are June and July (80%).

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Average rainfall in May
Skagway, AK

Average rainfall in May - Skagway, AK
  • Average rainfall in May: 1.54"

The wettest month (with the highest rainfall) is January (4.13").
The driest month (with the least rainfall) is May (1.54").

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Average rainfall days in May
Skagway, AK

Average rainfall days in May - Skagway, AK
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in May
Skagway, AK

Average snowfall in May - Skagway, AK
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (19.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Skagway, AK

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

The month with the highest number of snowfall days is January (18.7 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
Skagway, AK

Average daylight in May / Average sunshine in May - Skagway, AK
  • Average daylight in May: 17h and 5min

The month with the longest days is June (Average daylight: 18h and 32min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in May: 8h and 30min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

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Average sunshine days in May
Skagway, AK

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

The month with the most sunshine days is March (12.3 days).
The month with the least sunshine days is June (8 days).

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Average UV index in May
Skagway, AK

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

The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, April, September, October, November and December (UV index 1).

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Average cloud cover in May
Skagway, AK

Average cloud cover in May - Skagway, AK
  • Average cloud cover in May: 51

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 51).

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Average visibility in May
Skagway, AK

Average visibility in May - Skagway, AK
  • Average visibility in May: 5mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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